ADS7950

更新时间： 2024-11-25 04:31:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
43页	1370K
描述
12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs

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数据手册

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ADS7950 数据手册

ADS7950, ADS7951, ADS7952, ADS7953

ADS7954, ADS7955, ADS7956, ADS7957

ADS7958, ADS7959, ADS7960, ADS7961

www.ti.com ...................................................................................................................................................................................................... SLAS605–JUNE 2008

12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs

FEATURES

DESCRIPTION

•

1-MHz Sample Rate Serial Devices

Product Family of 12/10/8-Bit Resolution

Zero Latency

The ADS79XX is

analog-to-digital converter family. The following table

shows all twelve devices from this product family.

12/10/8-bit multichannel

The devices include a capacitor based SAR A/D

converter with inherent sample and hold.

20-MHz Serial Interface

Analog Supply Range: 2.7 to 5.25V

I/O Supply Range: 1.7 to 5.25V

The devices accept a wide analog supply range from

2.7V to 5.25V. Very low power consumption makes

these devices suitable for battery-powered and

isolated power supply applications.

Two SW Selectable Unipolar, Input Ranges: 0

to 2.5V and 0 to 5V

•

Auto and Manual Modes for Channel Selection

A wide 1.7V to 5.25V I/O supply range facilitates a

glue-less interface with the most commonly used

CMOS digital hosts.

12,8,4-Channel Devices can Share 16 Channel

Device Footprint

•

Two Programmable Alarm Levels per Channel

Four Individually Configurable GPIOs

The serial interface is controlled by CS and SCLK for

easy connection with microprocessors and DSP.

Typical Power Dissipation: 14.5 mW (+VA = 5V,

+VBD = 3V) at 1 MSPS

The input signal is sampled with the falling edge of

CS. It uses SCLK for conversion, serial data output,

and reading serial data in. The devices allow auto

sequencing of preselected channels or manual

selection of a channel for the next conversion cycle.

•

Power-Down Current (1 µA)

Input Bandwidth (47 at 3dB)

30-Pin and 38-Pin TSSOP Packages

There are two software selectable input ranges (0V -

2.5V and 0V - 5V), four individually configurable

GPIOs, and two programmable alarm thresholds per

channel. These features make the devices suitable

for most data acquisition applications.

APPLICATIONS

•

PLC / IPC

Battery Powered Systems

Medical Instrumentation

Digital Power Supplies

Touch Screen Controllers

High-Speed Data Acquisition Systems

High-Speed Closed-Loop Systems

The devices offer an attractive power-down feature.

This is extremely useful for power saving when the

device is operated at lower conversion speeds.

The 16/12-channel devices from this family are

available in a 38-pin TSSOP package and the

4/8-channel devices are available in a 30-pin TSSOP

package.

MICROPOWER MULTI-CHANNEL ADS79XX FAMILY

RESOLUTION

10 BIT

NUMBER OF

CHANNELS

12 BIT

8 BIT

ADS7953

ADS7952

ADS7951

ADS7950

ADS7957

ADS7956

ADS7955

ADS7954

ADS7961

ADS7960

ADS7959

ADS7958

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...43

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与ADS7950相关器件

型号	品牌	获取价格	描述	数据表
ADS7950_12	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7950_14	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7950_15	TI	获取价格	Single-Ended, MicroPower, Serial Interface ADCs
ADS7950-Q1	TI	获取价格	汽车类 12 位、1MSPS、4 通道、单端 SAR ADC
ADS7950QDBTRQ1	TI	获取价格	汽车类 12 位、1MSPS、4 通道、单端 SAR ADC \| DBT \|
ADS7950SBDBT	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7950SBDBTG4	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7950SBDBTR	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7950SBDBTRG4	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7950SBRGER	TI	获取价格	12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs

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