Datasheet > ISL28233MSOPEVAL2Z

ISL28233MSOPEVAL2Z

更新时间： 2024-11-03 11:58:43

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
4页	383K
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ISL28233MSOPEVAL2Z Evaluation Board Userâs Guide

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ISL28233MSOPEVAL2Z 数据手册

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Application Note 1569

ISL28233MSOPEVAL2Z Evaluation Board User’s Guide

• Banana Jack Connectors for Power Supply and VREF

Inputs

Introduction

The ISL28233MSOPEVAL2Z Evaluation Board is designed to

evaluate the performance of the ISL28233 Chopper

Stabilized op amp. The evaluation board contains the

circuitry needed to evaluate the high performance of the

ISL28233 amplifier. The ISL28233 chopper stabilized

• BNC Connectors for Op Amp Input and Output

Terminals

• Convenient PCB Pads for Op Amp Input/Output

Impedance Loading.

rail-to-rail dual op amp features a low 8µV maximum V

over-temperature and a 0.1Hz 1/f noise corner frequency

enabling very high gain single-stage DC amplifiers that can

operate from single cell batteries while consuming only

20µA of current. The ISL28233MSOPEVAL2Z evaluation

board can be configured as a precision high-gain

(G = 10,000V/V) differential amplifier and demonstrates

the level of performance possible with this type of amplifier

while operating from battery voltages as low as 1.65V.

Power Supplies (Figure 2)

External power connections are made through the V+,

V-, VREF, and GND connections on the evaluation board.

The circuit can operate from a single supply or from dual

supplies. For single supply operation, the V- and GND

pins are tied together to the negative or ground

reference of the power supply. For split supplies, V+ and

V- terminals connect to their respective supply terminals.

De-coupling capacitors C2 and C4 provide low-frequency

power-supply filtering, while additional capacitors, C3

and C5, which are connected close to the part, filter out

high frequency noise. Anti-reverse diode D1 (optional)

protects the circuit in the momentary case of accidentally

reversing the power supplies to the evaluation board.

The VREF pin can be connected to ground to establish a

ground referenced input for split supply operation, or can

be externally set to any reference level for single supply

operation.

Reference Documents

• ISL28233 Data Sheet, FN7692

Evaluation Board Key Features

• Single Supply Operation: +1.65V to +5.5V

• Dual Supply Operation: ±0.825V to ±2.75V

• Singled-Ended or Differential Input Operation with

High Gain (G = 10,000V/V)

• External VREF Input

R13/R23

1MΩ

IN -

V+

INA- 2

R11/R24

INB-

IN-

0Ω

100Ω

1/7

ISL28233

OUT

INA+

INB+

R14/R21

R26/R27

IN+

100Ω

V- 4

IN +

R18/R19

VCM

100kΩ

R28/R29

OPEN

VREF

OPEN

VREF

GND

FIGURE 1. BASIC DIFFERENTIAL AMPLIFIER CONFIGURATION

October 5, 2010

AN1569.1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4

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与ISL28233MSOPEVAL2Z相关器件

型号	品牌	获取价格	描述	数据表
ISL28233SOICEVAL1Z	INTERSIL	获取价格	Dual and Quad Micropower Chopper Stabilized, RRIO Operational Amplifiers
ISL28236	RENESAS	获取价格	5MHz, Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236	INTERSIL	获取价格	5MHz, Single and Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236FAZ-T7A	RENESAS	获取价格	DUAL OP-AMP, 270uV OFFSET-MAX, 5MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, MSOP-8
ISL28236FBZ	INTERSIL	获取价格	5MHz, Single and Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236FBZ	RENESAS	获取价格	5MHz, Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236FBZ-T7	INTERSIL	获取价格	5MHz, Single and Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236FBZ-T7	RENESAS	获取价格	5MHz, Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236FBZ-T7A	INTERSIL	获取价格	5MHz, Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps
ISL28236FBZ-T7A	RENESAS	获取价格	5MHz, Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps

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