ZHCSEA6B September 2015 – April 2016 ADS1257
PRODUCTION DATA.
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | REFP | Analog input | Positive reference input |
2 | AIN0 | Analog input | Analog input 0; Leave unconnected or connect to AVDD if not used(4) |
3 | AIN1 | Analog input | Analog input 1; Leave unconnected or connect to AVDD if not used(4) |
4 | AIN2 | Analog input | Analog input 2; Leave unconnected or connect to AVDD if not used(4) |
5 | AIN3 | Analog input | Analog input 3; Leave unconnected or connect to AVDD if not used(4) |
6 | SYNC/PWDN | Digital input(1)(2) | Synchronization or power-down input, active low; Connect to DVDD if not used(4) |
7 | RESET | Digital input(1)(2) | Reset input, active low; Connect to DVDD if not used(4) |
8 | DVDD | Digital | Digital power supply; Connect decoupling capacitor to DGND |
9 | DGND | Digital | Digital ground |
10 | CLKIN | Digital input(2) | External clock input |
11 | CS | Digital input(1)(2) | Chip select, active low; Connect to DGND if not used |
12 | DRDY | Digital output | Data ready output; active low |
13 | DOUT | Digital output | Serial data output |
14 | DIN | Digital input(1)(2) | Serial data input |
15 | SCLK | Digital input(1)(2) | Serial clock input |
16 | D0/CLKOUT | Digital input/output(3) | General-purpose digital I/O 0 or clock output(4) |
17 | D1 | Digital input/output(3) | General-purpose digital I/O 1(4) |
18 | AVDD | Analog | Analog power supply; Connect decoupling capacitor to AGND |
19 | AGND | Analog | Analog ground |
20 | REFN | Analog input | Negative reference input |
Thermal Pad | — | Thermal power pad; Connect to AGND |