Datasheet > SI7904DN

SI7904DN

更新时间： 2024-11-27 22:33:55

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
24页	408K
描述
Thermoelectric Cooler Controller

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SI7904DN 数据手册

Thermoelectric Cooler Controller

ADN8830

FEATURES

GENERAL DESCRIPTION

High Efficiency

The ADN8830 is a monolithic controller that drives a thermo-

electric cooler (TEC) to stabilize the temperature of a laser diode

or a passive component used in telecommunications equipment.

Small Size: 5 mm ꢀ 5 mm LFCSP

Low Noise: <0.5% TEC Current Ripple

Long-Term Temperature Stability: ꢁ0.01ꢂC

Temperature Lock Indication

Temperature Monitoring Output

Oscillator Synchronization with an External Signal

Clock Phase Adjustment for Multiple Controllers

Programmable Switching Frequency up to 1 MHz

Thermistor Failure Alarm

This device relies on a negative temperature coefficient (NTC)

thermistor to sense the temperature of the object attached to the

TEC. The target temperature is set with an analog input voltage

either from a DAC or an external resistor divider.

The loop is stabilized by a PID compensation amplifier with

high stability and low noise. The compensation network can be

adjusted by the user to optimize temperature settling time. The

component values for this network can be calculated based on

the thermal transfer function of the laser diode or obtained

from the lookup table given in the Application Notes section.

Maximum TEC Voltage Programmability

APPLICATIONS

Thermoelectric Cooler (TEC) Temperature Control

Resistive Heating Element Control

Temperature Stabilization Substrate (TSS) Control

Voltage outputs are provided to monitor both the temperature of

the object and the voltage across the TEC. A voltage reference

of 2.5 V is also provided.

FUNCTIONAL BLOCK DIAGRAM

PID COMPENSATION

NETWORK

P-CHANNEL

FROM

(UPPER MOSFET)

THERMISTOR

TEMPERATURE

MEASUREMENT

AMPLIFIER

PWM

N-CHANNEL

CONTROLLER

TEMPERATURE

SET

MOSFET

DRIVERS

INPUT

P-CHANNEL

(LOWER MOSFET)

VOLTAGE

REFERENCE

OSCILLATOR

REF

N-CHANNEL

FREQUENCY/PHASE

CONTROL

REV. C

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks 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

Fax: 781/326-8703

www.analog.com

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中文翻译

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与SI7904DN相关器件

型号	品牌	获取价格	描述	数据表
SI7904DN-E3	VISHAY	获取价格	TRANSISTOR 5.3 A, 20 V, 0.03 ohm, 2 CHANNEL, N-CHANNEL, Si, POWER, MOSFET, 1212-8, POWERPA
SI7904DN-T1-E3	VISHAY	获取价格	Dual N-Channel 20-V (D-S) MOSFET
SI7904DN-T1-GE3	VISHAY	获取价格	Power Field-Effect Transistor, N-Channel, Metal-oxide Semiconductor FET, ROHS COMPLIANT, 1
SI7905	SECOS	获取价格	3-Terminal Negative Voltage Regulator
SI7905A	SECOS	获取价格	3-Terminal Negative Voltage Regulator
SI7905DN-T1-E3	VISHAY	获取价格	Trans MOSFET P-CH 40V 5A 8-Pin PowerPAK 1212 T/R
SI7905DN-T1-GE3	VISHAY	获取价格	DUAL P-CHANNEL 40-V (D-S) MOSFET - Tape and Reel
SI7906	SECOS	获取价格	3-Terminal Negative Voltage Regulator
SI7906A	SECOS	获取价格	3-Terminal Negative Voltage Regulator
SI7908	SECOS	获取价格	3-Terminal Negative Voltage Regulator

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