Products > Integrated Circuits (ICs) > Power Management ICs > ADN8831ACPZ

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Thermoelectric Cooler 32Pin LFCSP EP T/R

Manufacturer : Analog Devices, Inc
Package/Case : LFCSP32
Product Categories : Fiber Optic Control ; Thermoelectric Cooler Controller
Datasheet: ADN8831ACPZ Datasheet (PDF)
RoHs Status: Lead free/RoHS Compliant
In-stock: 2000


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ADN8831ACPZ Product Details

The ADN88311 is a monolithic TEC controller. It has two integrated, zero drift, rail-to-rail comparators, and a PWM driver. A unique PWM driver works with an analog driver to control external selected MOSFETs in an H-bridge. By sensing the thermal detector feedback from the TEC, the ADN8831ACPZ can drive a TEC to settle the programmable temperature of a laser diode or a passive component attached to the TEC module.

The ADN8831ACPZ supports NTC thermistors or positive temperature coefficient (PTC) RTDs. The target temperature is set as an analog voltage input either from a DAC or from an external resistor divider driven by a reference voltage source.

A proportional integral differential (PID) compensation network helps to quickly and accurately stabilize the ADN8831ACPZ thermal control loop. An adjustable PID compensation network example is described in the AN-695 Application Note, Using the ADN8831TEC Controller Evaluation Board. A typical reference voltage of 2.5 V is available from the ADN8831ACPZ for thermistor temperature sensing or for TEC voltage/current measuring and limiting in both cooling and heating modes.



  • Two integrated zero drift, rail-to-rail, chop amplifiers
  • TEC voltage and current operation monitoring
  • Programmable TEC maximum voltage and current
  • Programmable TEC current heating and cooling limits
  • Configurable PWM switching frequency up to 1 MHz
  • Power efficiency: > 90%
  • Temperature lock indication
  • Optional internal or external clock source
  • Clock phase adjustment for multiple drop operation
  • Supports negative temperature coefficient (NTC) thermistors or positive temperature coefficient (PTC) resistance thermal detectors (RTDs)
  • 5 V typical and optional 3 V supplies
  • Standby and shutdown mode availability
  • Adjustable soft start feature
  • 5 mm × 5 mm 32-lead LFCSP


  • Thermoelectric cooler (TEC) temperature control
  • DWDM optical transceiver modules
  • Optical fiber amplifiers
  • Optical networking systems
  • Instruments requiring TEC temperature control

1 Product is covered by U.S. Patent No. 6,486,643

ADN8831ACPZ Pinout
(Picture: Pinout)

ADN8831ACPZ Block Diagram
(Picture: Diagram)

Technical Parameters

  • FET Gate Drive
  • Yes
  • Input Type
  • Single-Ended
  • Ioutmax | A
  • 4
  • PWM Outputs
  • Yes
  • PWM Frequencymax | Hz
  • 1M
  • Feedback Type
  • Neg Thermal Coefficent, Pos Thermal Coefficient
  • Shutdown
  • Yes
  • Istyp | A
  • 15m
  • Vs+min | V
  • 3
  • Vs+max | V
  • 5.5

ADN8831ACPZ Datasheet

  • ADN8831 Technical Documentation/Data sheet

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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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