Datasheet > MAX40080

MAX40080

更新时间： 2024-01-22 16:32:55

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
37页	1044K
描述
Precision, Fast Sample-Rate, Digital Current-Sense Amplifier

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MAX40080 数据手册

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Precision, Fast Sample-Rate,

MAX40080

Digital Current-Sense Amplifier

General Description

Benefits and Features

The MAX40080 is a high-precision, fast-response, bi-di-

rectional current-sense amplifier with digital output and a

very wide input common-mode range from -0.1V (ground

sensing) to 36V.

● Programmable Sample Rate up to 1Msps

● Wide Input Common-Mode range from -0.1V (ground

sensing) to 36V

● Programmable Input Sense Range (±10mV and

±50mV)

The device features an ultra-low 5µV input offset voltage

and a very low 0.2% gain error. The low input offset volt-

age is especially important because it allows using a small

sense resistor, thus saving power dissipation, but at the

same time not compromising the measurement accuracy.

The device also features a programmable input sensing

range between ±10mV and ±50mV (or programmable in-

put gain between 125V/V and 25V/V) which is very useful

to enhance accuracy at low current.

● Very low 5µV Input Offset Voltage allows using a

small sense resistor

● I C compliant and SMBus compatible interface with

smart modes to save power:

• Wake-up current threshold

• Low 4 measurements/s rate

• Auto-shutdown when I C is inactive

● Bi-directional current sensing

● Common-Mode Voltage monitoring up to 36V

● Space-saving 12-bump WLP (0.4mm pitch) and 12-pin

TDFN

The device includes an analog-to-digital converter with a

programmable sample rate and 12-bit resolution (13-bit in-

cluding sign bit for current measurement) and features an

I C compliant and SMBus compatible interface.

● Peak current Log

● Programmable over-current/voltage thresholds and

under-voltage threshold

● Alert output with programmable response time

● 64-cell deep FIFO

The device features a wake-up current threshold and au-

to-shutdown mode when the I C is inactive. Both these

features are designed to minimize power consumption.

The device is available in a small 12-pin WLP (and also a

12-pin TDFN) and is specified over the -40°C to +125°C

extended operating temperature range.

Applications

● Server Backplanes

● Base-Station PA Control

● Telecom Equipment

● Battery Operated Devices

● Industrial Control and Automation

19-101226; Rev 0; 10/21

Ordering Information appears at end of data sheet.

12 3 4 5 6 7...37

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与MAX40080相关器件

型号	品牌	获取价格	描述	数据表
MAX40080ANC+	MAXIM	获取价格	Precision, Fast Sample-Rate, Digital Current-Sense Amplifier
MAX40080ANC+T	MAXIM	获取价格	Precision, Fast Sample-Rate, Digital Current-Sense Amplifier
MAX40080ATC+T*	MAXIM	获取价格	Precision, Fast Sample-Rate, Digital Current-Sense Amplifier
MAX40087	ADI	获取价格	单/双/四通道超低输入偏置电流、低噪声放大器
MAX40087AUT+	MAXIM	获取价格	Operational Amplifier,
MAX40087AUT+T	MAXIM	获取价格	Operational Amplifier,
MAX40088	ADI	获取价格	10MHz/42MHz、低噪声、低偏置电流运算放大器
MAX40088AUT+	MAXIM	获取价格	Operational Amplifier,
MAX40089	MAXIM	获取价格	2.7V to 5.5V Supply Voltage Range Across VDD and VSS
MAX40089	ADI	获取价格	单/双/四通道超低输入偏置电流、低噪声放大器

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