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ADS7253 数据表(PDF) 4 Page - Texas Instruments

部件名 ADS7253
功能描述  ADSxx54 Dual, High-Speed, 16-, 14-, and 12-Bit, Simultaneous-Sampling, Analog-to-Digital Converters
PDF  73 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

ADS7253 数据表(HTML) 4 Page - Texas Instruments

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background image
1
2
3
4
5
16
15
14
13
12
AINP_A
6
7
8
11
10
9
AINM_A
REFIO_A
REFGND_A
REFGND_B
REFIO_B
AINM_B
AINP_B
AVDD
GND
SDO_B
SDO_A
SCLK
CS
SDI
DVDD
REFIO_A
REFGND_A
REFGND_B
REFIO_B
SDO_B
SDO_A
SCLK
CS
1
2
3
4
12
11
10
9
Thermal Pad
ADS8354, ADS7854, ADS7254
SBAS556B – OCTOBER 2013 – REVISED AUGUST 2014
www.ti.com
6 Pin Configurations and Functions
RTE Package
PW Package
WQFN-16
TSSOP-16
(Top View)
(Top View)
Pin Functions
PIN
NO.
NAME
TSSOP
WQFN
I/O
DESCRIPTION
AINM_A
2
16
Analog input
Negative analog input, channel A
AINM_B
7
5
Analog input
Negative analog input, channel B
AINP_A
1
15
Analog input
Positive analog input, channel A
AINP_B
8
6
Analog input
Positive analog input, channel B
AVDD
16
14
Supply
Supply voltage for ADC operation
CS
11
9
Digital input
Chip-select signal; active low
DVDD
9
7
Digital I/O supply
Digital I/O supply
GND
15
13
Supply
Digital ground
REFGND_A
4
2
Supply
Reference ground potential A
REFGND_B
5
3
Supply
Reference ground potential B
REFIO_A
3
1
Analog input/output
Reference voltage input/output, channel A
REFIO_B
6
4
Analog input/output
Reference voltage input/output, channel B
SCLK
12
10
Digital input
Clock for serial communication
SDI
10
8
Digital input
Data input for serial communication
SDO_A
13
11
Digital output
Data output for serial communication, channel A and channel B
SDO_B
14
12
Digital output
Data output for serial communication, channel B
Thermal
Exposed thermal pad (only for WQFN). TI recommends
Thermal pad
—
Supply
pad
connecting this pin to the printed circuit board (PCB) ground.
4
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Copyright © 2013–2014, Texas Instruments Incorporated
Product Folder Links: ADS8354 ADS7854 ADS7254



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