Datasheet > MAX40204

MAX40204

更新时间： 2023-12-20 18:46:28

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
25页	822K
描述
36V, Pin-Programmable Gain, Bidirectional CSA

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MAX40204

36V, Pin-Programmable Gain, Bidirectional

CSA

General Description

Benefits and Features

The MAX40204 is a high-precision, bidirectional, high-side

current-sense amplifier (CSA) with a wide input common-

mode range from -0.1V (ground sensing) to 36V.

● -0.1V to 36V Wide Input Common Mode

● Ultra-Low, 2μV Input Offset Voltage

● On-the-Fly Gain Setting Input

● Bidirectional/Unidirectional Current Sensing

● 20nA (max) Input Bias Current

● Extremely Low, 50nV/°C Input Offset Tempco

● 0.05% Gain Error

The device's ultra-low 2μV input offset voltage allows the

use of small sense resistor to reduce power dissipation

and a very low, 0.05% gain error ensures measurement

accuracy.

● 21μA Supply Current

The MAX40204 offers two gain options using a logic-level

input (GAIN) that provides the flexibility to change the gain

on the fly. On-the-fly gain adjustment capability allows

the system to enhance accuracy when measuring current

much smaller than set full-scale level. See Table 1 for gain

configurations. Additionally, the MAX40204 supports uni-

directional and bidirectional current sensing with an exter-

nal voltage applied to a reference input, REF.

● 70nA (typ) Shutdown Current

● 1.7V to 5.5V Single Supply Operating Range

● Space-Saving 8-Bump WLP and 8-Pin TDFN

Packages

Ordering Information appears at end of data sheet.

The MAX40204 operates with single-supply in the range

of 1.7V to 5.5V while consuming only 21μA. Low operating

supply current and 70nA (typ) shutdown current help ex-

tend battery life and make the MAX40204 ideal for

portable and battery-operated devices.

The MAX40204 is available in a small 8-bump, 0.35mm-

pitch WLP (1.468mm x 0.848mm) and 8-pin TDFN (2mm x

2mm) packages and is specified over the -40°C to +125°C

extended operating temperature range.

Applications

● Current Sensing in Power Management Systems

● Portable and Battery-Operated Systems

● Medical Instruments

● Base Station

● Smart Phones and Tablets

● Notebook Computers

19-100845; Rev 1; 10/20

12 3 4 5 6 7...25

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