Datasheet > ADN8831ACP

ADN8831ACP

更新时间： 2024-11-24 12:33:19

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
20页	408K
描述
Thermoelectric Cooler (TEC) Controller

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ADN8831ACP 数据手册

Thermoelectric Cooler (TEC) Controller

Data Sheet

ADN8831

FEATURES

GENERAL DESCRIPTION

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%

The ADN8831 is a monolithic TEC controller. It has two inte-

grated, 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 ADN8831 can

drive a TEC to settle the programmable temperature of a laser

diode or a passive component attached to the TEC module.

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)

The ADN8831 supports NTC thermistors or positive tempera-

ture 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 ADN8831

thermal control loop. An adjustable PID compensation network

example is described in the AN-695 Application Note, Using the

ADN8831 TEC Controller Evaluation Board. A typical reference

voltage of 2.5 V is available from the ADN8831 for thermistor

temperature sensing or for TEC voltage/current measuring and

limiting in both cooling and heating modes.

5 V typical and optional 3 V supplies

Standby and shutdown mode availability

Adjustable soft start feature

5 mm × 5 mm 32-lead LFCSP

APPLICATIONS

Thermoelectric cooler (TEC) temperature control

DWDM optical transceiver modules

Optical fiber amplifiers

Optical networking systems

Instruments requiring TEC temperature control

FUNCTIONAL BLOCK DIAGRAM

ILIMC ILIMH ITEC VLIM VTEC

LIMITER/MONITOR

LFB

IN1P

IN1N

LINEAR

MOSFET

DRIVER

AMPLIFIER

Chop1

LPGATE

LNGATE

SFB

OUT1

SPGATE

SNGATE

COMPSW

CONTROL

PWM

MOSFET

DRIVER

IN2P

IN2N

AMPLIFIER

Chop2

COMPOSC

SYNCO

SOFT START

SHUTDOWN

OSCILLATOR

REF

OUT2

TMPGD VREF

SS/SB

SYNCI/SD PHASE FREQ

Figure 1.

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

12 3 4 5 6 7...20

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ADN8831ACP 替代型号

型号	品牌	替代类型	描述	数据表
ADN8831ACPZ-R2	ADI	完全替代	Thermoelectric Cooler (TEC) Controller

与ADN8831ACP相关器件

型号	品牌	获取价格	描述	数据表
ADN8831ACPZ-R2	ADI	获取价格	Thermoelectric Cooler (TEC) Controller
ADN8831ACPZ-REEL7	ADI	获取价格	Thermoelectric Cooler (TEC) Controller
ADN8831-EVALZ	ADI	获取价格	Thermoelectric Cooler (TEC) Controller
ADN8833	ADI	获取价格	用于数字控制系统的超紧凑、1 A热电冷却器(TEC)驱动器
ADN8834	ADI	获取价格	超紧凑1.5 A热电冷却器(TEC)控制器
ADN8834ACPZ-R2	ADI	获取价格	Ultra compact 1.5 A Thermoelectric Cooler (TE
ADN8834ACPZ-R7	ADI	获取价格	Ultra compact 1.5 A Thermoelectric Cooler (TE
ADN8834MB-EVALZ	ADI	获取价格	Ultracompact, 3 A Thermoelectric Cooler (TEC) Controller
ADN8835	ADI	获取价格	Ultracompact 4A, 15V, Full Bridge Driver with SPI
ADN8835ACPZ-R7	ADI	获取价格	Ultracompact, 3 A Thermoelectric Cooler (TEC) Controller

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