CMOS Temperature Sensor IC S-58LM20A Series

Description

The S-58LM20A Series is a high-accuracy temperature sensor IC on a single chip, provides output voltage which is linear against the temperature change. Each chip consists of a temperature sensor, a constant current circuit, and an operational amplifier. This IC is able to be used under the wide temperature range of –55°C to 130°C. This IC has much better linearity than other conventional temperature sensors such as thermistor, it is possible to achieve the extensive application for temperature control.

Features

• Accuracy against temperature

  ±2.5°C (−55 to +130°C)

• Linear output voltage

  −11.77 mV/°C Typ.

  Ta = −30°C: 2.205 V Typ.

  Ta = +30°C: 1.515 V Typ.

  Ta = +130°C: 0.303 V Typ.

• Nonlinearity

  ±0.4% Typ. (−20 to +80°C)

• Operation in wide range of power supply voltage

  VDD = 2.4 to 5.5 V (−30 to +130°C), 
  VDD = 2.7 to 5.5 V (−55 to +130°C)

• Low current consumption

  4.5 μA Typ. (+25°C) 6.0 μA Max. (−55 to +130°C)

• Built-in operational amplifier

• Lead-free product

Applications

• Compensation of high-frequency circuits such as cellular phones and radio equipment

• Compensation of oscillation frequency in crystal oscillator

• LCD contrast compensation

• Compensation of amplifier gain

• Compensation of auto focus circuits

• Temperature detection in battery management

• Overheating prevention for charged batteries or halogen lights

Temperature Sensor IC S-8110C/8120C Series

Description

The S-8110C/8120C Series is a family of high-precision temperature sensor ICs on a single chip with a linear output voltage for temperature changes.

Each chip is composed of a temperature sensor, a constant current circuit, and an operational amplifier.

It can be used at temperatures ranging from -40°C to 100°C. These devices have much better linearity than other temperature sensors such as thermistors, and can be used for a wide range of temperature control applications.

Features

• Temperature accuracy

  S-8110C Series ±5.0°C (-30 to +100°C), 
  S-8120C Series ±2.5°C (-30 to +100°C)

• Linear output voltage

  -8.20 mV/°C Typ.

  Ta = -30°C: 1.951 V Typ.

  Ta = +30°C: 1.474 V Typ.

  Ta = +100°C: 0.882 V Typ.

• Nonlinearity

  ±0.5 % typ. (-20 to +80°C)

• Wide power supply voltage operation

  Vdd= 2.4 to 10.0 V

• Low current consumption

  4.5 μA typ. (25°C)

• Built-in operational amplifier

• Vss standard output

• Lead-free products

Applications

• Compensation of high-frequency circuits such as cellular phones and radio equipment

• Compensation of oscillation frequency in crystal oscillator

• LCD contrast compensation

• Compensation of amplifier gain

• Compensation of auto focus circuits

• Temperature detection in battery management

• Overheating prevention for charged batteries or halogen lights

Temperature Sensor IC S-8110C/8120C Series

Description

The S-8110C/8120C Series is a family of high-precision temperature sensor ICs on a single chip with a linear output voltage for temperature changes.

Each chip is composed of a temperature sensor, a constant current circuit, and an operational amplifier.

It can be used at temperatures ranging from -40°C to 100°C. These devices have much better linearity than other temperature sensors such as thermistors, and can be used for a wide range of temperature control applications.

Features

• Temperature accuracy

  S-8110C Series ±5.0°C (-30 to +100°C), 
  S-8120C Series ±2.5°C (-30 to +100°C)

• Linear output voltage

  -8.20 mV/°C Typ.

  Ta = -30°C: 1.951 V Typ.

  Ta = +30°C: 1.474 V Typ.

  Ta = +100°C: 0.882 V Typ.

• Nonlinearity

  ±0.5 % typ. (-20 to +80°C)

• Wide power supply voltage operation

  Vdd= 2.4 to 10.0 V

• Low current consumption

  4.5 μA typ. (25°C)

• Built-in operational amplifier

• Vss standard output

• Lead-free products

Applications

• Compensation of high-frequency circuits such as cellular phones and radio equipment

• Compensation of oscillation frequency in crystal oscillator

• LCD contrast compensation

• Compensation of amplifier gain

• Compensation of auto focus circuits

• Temperature detection in battery management

• Overheating prevention for charged batteries or halogen lights

CMOS Temperature Sensor IC S-5813A/14A Series

Description

The S-5813A/14A Series is a family of high-precision temperature sensor ICs on a single chip with a linear output voltage for temperature changes. Each chip is composed of a temperature sensor, a constant current circuit, and an operational amplifier. It can be used at temperatures ranging from -40±C to +100±C. These devices have much better linearity than other temperature sensors such as thermistors, and can be used for a wide range of temperature control applications.

Features

• Temperature accuracy

  S-5813A Series ±5.0°C (-30 to +100°C)
  S-5814A Series: ±2.5°C (-30 to +100°C)

• Linear output voltage

  -11.04 mV/°C typ.

  Ta = -30°C: 2.582 V Typ.

  Ta = +30°C: 1.940 V Typ.

  Ta = +100°C: 1.145 V Typ.

• Nonlinearity

  ±0.5 % typ. (-20 to +80°C)

• Wide power supply voltage operation

  Vdd= 2.4 to 10.0 V (+25°C)

• Low current consumption

  4.0 μA typ. (+25°C)

• Built-in operational amplifier

• Output voltage referred to Vss

• Lead-free

• Sn 100%

• halogen-free

Applications

• Compensation of high-frequency circuits such as cellular phones and radio equipment

• Compensation of oscillation frequency in crystal oscillator

• LCD contrast compensation

• Compensation of amplifier gain

• Compensation of auto focus circuits

• Temperature detection in battery management

• Overheating prevention for charged batteries or halogen lights

CMOS Temperature Sensor IC S-5813A/14A Series

Description

The S-5813A/14A Series is a family of high-precision temperature sensor ICs on a single chip with a linear output voltage for temperature changes. Each chip is composed of a temperature sensor, a constant current circuit, and an operational amplifier. It can be used at temperatures ranging from -40±C to +100±C. These devices have much better linearity than other temperature sensors such as thermistors, and can be used for a wide range of temperature control applications.

Features

• Temperature accuracy

  S-5813A Series ±5.0°C (-30 to +100°C)
  S-5814A Series: ±2.5°C (-30 to +100°C)

• Linear output voltage

  -11.04 mV/°C typ.

  Ta = -30°C: 2.582 V Typ.

  Ta = +30°C: 1.940 V Typ.

  Ta = +100°C: 1.145 V Typ.

• Nonlinearity

  ±0.5 % typ. (-20 to +80°C)

• Wide power supply voltage operation

  Vdd= 2.4 to 10.0 V (+25°C)

• Low current consumption

  4.0 μA typ. (+25°C)

• Built-in operational amplifier

• Output voltage referred to Vss

• Lead-free

• Sn 100%

• halogen-free

Applications

• Compensation of high-frequency circuits such as cellular phones and radio equipment

• Compensation of oscillation frequency in crystal oscillator

• LCD contrast compensation

• Compensation of amplifier gain

• Compensation of auto focus circuits

• Temperature detection in battery management

• Overheating prevention for charged batteries or halogen lights

2-wire Digital Temperature Sensor S-5851A Series

Description

S-5851A Series is a 2-wire serial I/O digital temperature sensor. This IC measures temperature with resolution of 0.0625°C without external parts. This IC is ideal for wide-ranging temperature measurement for various applications. A temperature sensor, a reference voltage generation circuit, a ΔΣ type A/D converter and interface bus are integrated in a chip, and packages SNT-6A and SOT-23-6 available for this IC.

Features

• Low voltage operation

  VDD (min.) = 2.7 V

• Low current consumption

  45 μA typ. (+25°C) 
  1 μA typ. (+25°C at shutdown)

• High accuracy

  ±2.0°C (max.) -25°C to +85°C 
  ±3.0°C (max.) -40°C to +125°C

• Temperature resolution

  0.0625°C

• Digital output

  2-wire serial interface

• Maximum operating frequency

  400 kHz

• Low power supply voltage detection circuit

• Lead-free product

Applications

• Temperature monitor for power supply

• Temperature monitor for battery

• Air conditioning system

• Various electronics devices

High-accuracy Digital Temperature Sensor with Thermostat Function S-5852A Series

Description

The S-5852A Series is a high-accuracy digital temperature sensor with thermostat function, which operates in 1.7 V to 3.6 V voltage ranges. The S-5852A Series interfaces with exteriors via I²C-bus and operates at 1.0 MHz maximum. The temperature detection signal is output by using the thermostat function which can be set by the I²C-bus. Moreover, a substantial reduction in current consumption may be achieved by using the shutdown mode which can be set by the I²C-bus.

Features

• Temperature accuracy

  ±0.5°C typ./±1.0°C max. (Ta = 0°C~+65°C)
  ±0.5°C typ./±1.0°C max. (Ta = +75°C~+95°C)

• Temperature resolution

  0.5°C, 0.25°C, 0.125°C, 0.0625°C

• (Selectable by the resolution register)

• Temperature sample rate

  7 samples / s min.

• Selectable hysteresis width

  No hysteresis, 1.5°C, 3.0°C, 6.0°C

• Current consumption

  Shutdown mode at serial bus non-active:  0.3 μA typ., 3.0 μA max. 

  Active mode at serial bus non-active: 40 μA typ., 100 μA max. 

• Operation voltage range

  1.7 V ~ 3.6 V

• Operation frequency

  1.0 MHz max. (Vdd = 2.2 V ~ 3.6 V)

  400 kHz max. (Vdd = 1.7 V ~ 2.2 V)

• Thermostat function

  Dual trip mode, single trip mode, OFF (Selectable by the configuration register)

• Noise suppression

  Schmitt trigger and noise filter on input pins (SCL, SDA)

• Operation temperature range

  Ta = −40°C ~ +125°C

• Lead-free (Sn 100%), halogen-free

Applications

• Solid state drive

• Hard disk drive

• Notebook PC, tablet PC

• Refrigerator

• Air conditioning system

PWM Output Temperature Sensor IC S-5855A Series

Description

The S-5855A Series, developed by CMOS technology, is a 1-wire PWM output temperature sensor IC of low currentconsumption that itself changes the duty according to temperature. The duty decreases from 100% if exceeding the temperature set by user, and this decrease is linear against the temperaturerise. CMOS and Nch open drain are available for its output form.Its small packages SNT-4A and SOT-23-5 enable high-density mounting.

Features

• PWM output

  1-wire PWM interface

• Temperature accuracy

  ±3.0°C

• Duty change-start temperature

  Selectable from +40°C to +80°C in 10°C step

• Duty temperature sensitivity

  Selectable from -1 %/°C to -4 %/°C in 1 %/°C step

• Low current consumption

  50 μA (Typ.), Ta = +25°C

• Low power supply voltage

  1.65 V to 5.5 V

• Wide range of temperature

  -40°C to +125°C

• Lead-free (Sn 100%), halogen-free

Applications

• Temperature compensation for LED instruments

Temperature Switch IC with Latch S-5840B Series

Description

The S-5840B Series is a temperature switch IC with a latch function having a built-in semiconductor temperature sensor with an accuracy of ±2.5°C. The output signal is inverted when the detection temperature is reached, and latched until detection of the power supply voltage lowering. Low voltage operation down to 1.0 V is possible and the current consumption is low, 12 μA (typ.), due to CMOS configuration. The S-5840A Series consists of a temperature sensor with negative temperature coefficient, a reference voltage source, a comparator, voltage detection circuit, and noise suppression circuit, all of which are enclosed in SOT-23-5 package. Since the temperature range of this IC is -40 to +100°C, it is possible to achieve the extensive application for temperature control.

Features

• Detection temperature

  +55 to +95°C, 1°C step, 
  detection accuracy: ±2.5°C

• Wide voltage range during operation

  VDD = 1.0 to 10.0 V

• Release voltage

  2.2 to 3.4 V, 0.1 V step

• Low current consumption

  12 μA typ. (+25°C)

• uilt-in circuit for preventing temperature detection malfunction

• Output logic level is fixed by the latch after temperature detection

• Output logic active high or active low is selectable

• Output CMOS or Nch open drain is selectable

• Lead-free product

Applications

• Game console

• Electronic devices

Temperature Switch IC (Thermostat IC) S-5844A Series

Description

The S-5844A Series is a temperature switch IC (thermostat IC) which detects the temperature with a temperature accuracy of ±2.5°C. The output inverts when temperature reaches the detection temperature. The S-5844A Series restores the output voltage when the temperature drops to the level of release temperature.
The S-5844A Series operates at the lower power supply voltage of 1.65 V and its current consumption is 0.18 μA typ. due to CMOS configuration.
A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit and a comparator are integrated on one chip, and enclosed into the packages SOT-23-5 and SNT-4A, and the super-small package HSNT-4 (1010).

Features

• Detection temperature

  +50°C to +100°C, +5°C step, 
  detection accuracy:±2.5°C

• Low voltage operation

  1.65 V min.

• Low current consumption

  0.18 μA typ. (Ta = +25°C)

• Hysteresis temperature

  selectable in 5°C, 10°C, 15°C or 20°C

• Selectable output logic in active “H” or “L”

• Selectable output form in CMOS or Nch open drain

• Lead-free (Sn 100%), halogen-free

Applications

• Fan control

• Air conditioning system

• Mobile phone

• Game consoles

• Various electronic devices

Temperature Switch IC with S-5841 Series

Description

The S-5841 Series is a temperature switch IC. The S-5841 Series has a built-in IC temperature sensor with the accuracy of ±2.5°C and detects the temperature. This IC restores the output voltage when the temperature drops to the level of release temperature. The S-5841 operates at the lower power supply voltage of 2.2 V and its current consumption is 10 μA Typ. due to CMOS configuration. A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit and a comparator are integrated on one chip, and enclosed into the small packages SNT-6A and SOT-23-5.

Features

• Detection temperature

  +40 to +100°C, 1°C steps, 
  detection accuracy:±2.5°C

• Low voltage operation

  VDD (min.) = 2.2 V (When the detection temperature is +55 to +100°C)

  VDD (min.) = 2.6 V (When the detection temperature is +40 to +54°C)

• Low current consumption

  10 μA typ. (Ta = +25°C)

• Hysteresis temperature can be switched in 0°C, 2°C, 4°C and 10°C

• Selectable output logic in active high or low

• Selectable output form in CMOS or Nch open drain

• Lead-free products

Applications

• Fan control

• Air conditioning system

• Various electronic device

Temperature Switch IC with S-5843A Series

Description

The S-5843A Series is a temperature switch IC which detects the temperature with a temperature accuracy of ±2.5℃. The output inverts when temperature reaches the detection temperature. This IC restores the output voltage when the temperature drops to the level of release temperature.
The S-5843A Series operates at the lower power supply voltage of 1.65 V and its current consumption is 4.5 μA typ. due to CMOS configuration.
A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit, a comparator and a delay circuit are integrated on one chip, and enclosed into the small packages SNT-6A and SOT-23-5.

Features

• Detection temperature

  +40℃ to +120℃, +1℃ step, 
  detection accuracy:±2.5℃

• Low voltage operation

  VDD (min.) = 1.65 V

• Low current consumption

  4.5 μA typ. (Ta = +25℃)

• Hysteresis temperature

  selectable in 2℃, 4℃, 10℃ or 20℃

• Selectable output logic in active “H” or “L”

• Selectable output form in CMOS or Nch open drain

• Prevent functions for false detection operation and false release operation

• Lead-free product

Applications

• Fan control

• Air conditioning system

• Mobile phones

• Game consoles

• Various electronic devices

Dual Trip Temperature Switch IC S-5842A Series

Description

The S-5842A Series is a dual trip temperature switch IC which detects two points of temperature. The S-5842A Series operates with a low supply voltage down to 2.5 V, and it has low current consumption of 10 μA typical. The S-5842A Series consists of a negative coefficient temperature sensor, a reference voltage generation circuit, and a comparator integrated in a single IC. The package options are the SNT-6A and SOT-23-6.

Features

• Range of detection temperature

  -10°C to +110°C, +1°C step

• Accuracy of detection temperature

  ±2.5°C (is set for either detection temperature)

• Operation with low voltage

  VDD (min.) = 2.5 V (Detection temperature = +20°C to +110°C)

  VDD (min.) = 2.7 V (Detection temperature = 0°C to +110°C)

  VDD (min.) = 2.8 V (Detection temperature = -10°C to +110°C)

• Low current consumption

  10 μA typ. (+25°C)

• The range of operation temperature

  -40°C to +125°C

• Selectable output type, logic and form

• Lead-free product

Applications

• Fan control

• Air-conditioning system

• Mobile phones

• Game consoles

• Various electronics devices