AD7766

更新时间： 2024-01-19 05:18:44

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
18页	632K
描述
24-Bit, 10mW, 125ksps Analog to Digital Converter in 16 lead TSSOP

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技术参数
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AD7766 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	16
Reach Compliance Code：	unknown	风险等级：	5.69
Is Samacsys：	N	最大模拟输入电压：	5 V
最小模拟输入电压：		转换器类型：	ADC, PROPRIETARY METHOD
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e3
长度：	5 mm	最大线性误差 (EL)：	0.0015%
湿度敏感等级：	1	模拟输入通道数量：	1
位数：	24	功能数量：	1
端子数量：	16	最高工作温度：	105 °C
最低工作温度：	-40 °C	输出位码：	2'S COMPLEMENT BINARY
输出格式：	SERIAL	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
采样速率：	0.128 MHz	采样并保持/跟踪并保持：	SAMPLE
座面最大高度：	1.2 mm	标称供电电压：	2.5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	宽度：	4.4 mm
Base Number Matches：	1

AD7766 数据手册

24-Bit, 10mW, 125ksps Analog to Digital

Converter in 16 lead TSSOP

AD7766

Preliminary Technical Data

FEATURES

PRODUCT OVERVIEW

High performance 24-bit ADC

114dB SNR at 31.25 KHz output data rate

111dB SNR at 62.5 KHz output data rate

108dB SNR at 125 KHz output data rate

Max 20mW Power Consumption

10mW typ at 31.25 KHz output data rate

12mW typ at 62.5 KHz output data rate

15 mW typ at 125 KHz output data rate

High DC accuracy

24 Bits No Missing Codes (NMC)

Integral Non Linearity 15 ppm

Low temperature drift

Offset Drift 25 nV/°C

On Chip Low pass FIR filter

Linear Phase Response

Passband Ripple: 0.005dB

Stopband Attenuation: 100dB

2.5V Supply with 1.8V/2.5V/3V/3.6V logic interface

Flexible Interfacing options

Synchronization of multiple devices

Daisy Chain capability

Temp Range -40^oC to 105^oC

The AD7766 is high performance 24-bit over-sampled analog to

digital converter combining wide dynamic range and input

bandwidth with an on chip FIR filter while consuming only

20mW max power in a 16 pin TSSOP package.

Specifically designed for ultra low power data acquisition,

providing 24-bit resolution and high SNR makes the device

ideal for measuring small signal changes over a wide dynamic

range. This is particularly important in many data acquisition

applications where small changes are measured on larger AC or

DC signals. In addition the AD7766 provides excellent DC

accuracy and drift specifications making the device suitable

where DC data also needs to be acquired. The AD7766

improves SNR performance and simplifies anti aliasing

requirements through over-sampling which is important in

minimizing input signal distortion to the inputs of the ADC. A

high performance on-chip FIR filter subsequently filters the

over-sampled data and removes out of band noise. A

SYNC PD

(Synchronisation/Power down) pin is an added feature,

allowing for easy synchronization of multiple devices. The

device operates from -40^oC to 105^oC.

By combining wide dynamic range and high SNR at output data

rates up to 125ksps with ultra low power the AD7766 provides a

compact solution for low power data acquisition such as PCI or

USB based systems.

APPLICATIONS

Low-Power PCI/USB Data Acquisition Systems

Low-Power Wireless Acquisition Systems

Vibration Analysis

RELATED DEVICES

Table 1. 24 bit Analog to Digital Converters

Instrumentation

Part No

Speed

2.5MSPs 100dB Dynamic Range¹

On-board Diff Amp & Ref Buffer

Description

FUNCTIONAL BLOCK DIAGRAM

AD7760

DRIVE

AGND

MCLK

DGND

Parallel, Variable Decimation

625KSPs 109dB Dynamic Range¹

On-Board Diff Amp & Ref buffer

Parallel/Serial, Variable Decimation

312KSps 109dB Dynamic Range¹

On-board Diff Amp & Ref Buffer

Serial, Variable Decimation (pin)

156KSPs 112dB Dynamic Range¹

On-board Diff Amp & Ref Buffer

Serial,Variable Decimation (pin)

125KSPs 109dB Dynamic Range¹

10mW power dissipation

AD7762/3

AD7764

AD7765

AD7767

REF+

DIGITAL

FIR FILTER

CONVERTER

REFGND

SYNC/PD

SERIAL INTERFACE

CONTROL LOGIC

AD7766/

AD7766-1/

AD7766-2

SCLK DRDY SDO SDI

Figure 1.

Serial interface

¹Dynamic Range at max output data rate.

Rev. PrD

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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中文翻译

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与AD7766相关器件

型号	品牌	获取价格	描述	数据表
AD7766_17	ADI	获取价格	128 kSPS/64 kSPS/32 kSPS ADCs
AD7766-1	ADI	获取价格	24-Bit, 8.5 mW, 109 dB, 128/64/32 kSPS ADCs
AD7766-2	ADI	获取价格	24-Bit, 8.5 mW, 109 dB, 128/64/32 kSPS ADCs
AD7766BRUZ	ADI	获取价格	24-Bit, 10mW, 125ksps Analog to Digital Converter in 16 lead TSSOP
AD7766BRUZ	ROCHESTER	获取价格	1-CH 24-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO16, ROHS COMPLIANT, MO-153AB, TSSOP
AD7766BRUZ-1	ADI	获取价格	24-Bit, 10mW, 125ksps Analog to Digital Converter in 16 lead TSSOP
AD7766BRUZ-1	ROCHESTER	获取价格	1-CH 24-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO16, ROHS COMPLIANT, MO-153AB, TSSOP
AD7766BRUZ-1-RL7	ADI	获取价格	128 kSPS/64 kSPS/32 kSPS ADCs
AD7766BRUZ-2	ADI	获取价格	24-Bit, 10mW, 125ksps Analog to Digital Converter in 16 lead TSSOP
AD7766BRUZ-2-RL7	ADI	获取价格	128 kSPS/64 kSPS/32 kSPS ADCs

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