Datasheet > ISL26104AV28EV1Z

ISL26104AV28EV1Z

更新时间： 2024-11-19 01:21:55

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
21页	1221K
描述
Low-Noise 24-bit Delta Sigma ADC

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ISL26104AV28EV1Z 数据手册

DATASHEET

ISL26102, ISL26104

Low-Noise 24-bit Delta Sigma ADC

FN7608

Rev 0.00

October 12, 2012

The ISL26102 and ISL26104 provide a low-noise

Features

• Programmable gain amplifier with gains of 1 to 128

• Low noise: 7nV/√Hz @ PGA = 128

• Linearity error: 0.0002% FS

programmable gain amplifier along with a 24-bit Delta-Sigma

Analog-to-Digital Converter with two channel (ISL26102) or

four channel (ISL26104) differential, multiplexed inputs. The

devices feature exceptional noise performance for conversion

rates ranging from 2.5Sps to 4kSps.

• Output word rates up to 4kSps

The on-chip low-noise programmable-gain amplifier provides

gains ranging from 1 to 128, which supports ±19.5mVFS from

a 5V reference. The high input impedance allows direct

connection of sensors such as load cell bridges to ensure the

specified measurement accuracy without additional circuitry.

• Low-side switch for load cell power management

• +5V analog and +2.7V to +5V digital supplies

• ISL26102 in 24 Ld TSSOP

• ISL26104 in 28 Ld TSSOP

The Delta-Sigma ADC features a 3rd-order modulator providing

up to 21.5 bit noise-free performance (10Sps), with

user-selectable word rates. The converter can be operated

from an external clock source, an external crystal (typically

4.9152MHz), or the on-chip oscillator.

• ESD 7.5kV - HBM

Applications

• Weigh scales

The ISL26102 and ISL26104 offer a simple-to-use serial

interface.

• Temperature monitors and controls

• Load safety systems

• Industrial process control

• Pressure sensors

The ISL26102 and ISL26104 are available in a Thin Shrink

Small Outline Package (TSSOP). The devices are specified for

operation over the automotive temperature range (-40°C to

+105°C).

Related Literature

AN1704, “Precision Signal Path Data Acquisition System”

CAP

AVDD

DVDD

ON-CHIP

TEMP

SENSOR

XTALIN/

CLOCK

XTALOUT

INTERNAL

CLOCK

EXTERNAL

OSCILLATOR

AIN1+

AIN1-

AIN2+

SDO/RDY

PGA

1, 2, 4, 8,16,

32, 64, 128

AIN2-



ADC

INPUT

MULTIPLEXER

AIN3+

AIN3-

SDI

ISL26104

ONLY

AIN4+

AIN4-

SCLK

PWDN

LSPS

DGND DGND

AGND

CAP DGND DGND VREF+ VREF-

FIGURE 1. BLOCK DIAGRAM

FN7608 Rev 0.00

October 12, 2012

Page 1 of 21

12 3 4 5 6 7...21

中文翻译

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与ISL26104AV28EV1Z相关器件

型号	品牌	获取价格	描述	数据表
ISL26104AVZ	RENESAS	获取价格	Low-Noise 24-bit Delta Sigma ADC; TSSOP28; Temp Range: -40° to 105°C
ISL26104AVZ	INTERSIL	获取价格	Low-Noise 24-bit Delta Sigma ADC
ISL26104AVZ-T7	RENESAS	获取价格	4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28, ROHS COMPLIANT, PLASTIC, MO-153, TSSOP
ISL26104AVZ-T7A	RENESAS	获取价格	Low-Noise 24-bit Delta Sigma ADC; TSSOP28; Temp Range: -40° to 105°C
ISL26132	INTERSIL	获取价格	Low-Noise 24-bit Delta Sigma ADC
ISL26132	RENESAS	获取价格	Low-Noise 24-bit Delta Sigma ADC
ISL26132AVZ	INTERSIL	获取价格	Low-Noise 24-bit Delta Sigma ADC
ISL26132AVZ-T	INTERSIL	获取价格	Low-Noise 24-bit Delta Sigma ADC
ISL26132AVZ-T7A	INTERSIL	获取价格	Low-Noise 24-bit Delta Sigma ADC
ISL26134	INTERSIL	获取价格	Low-Noise 24-bit Delta Sigma ADC

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