ADS1225 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADS1225 Datasheet PDF : 24 Pages
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www.ti.com
PIN CONFIGURATION
RGV PACKAGE
QFN-16 4.0mm x 4.0mm
(TOP VIEW)
ADS1225
ADS1226
SBAS346 – MAY 2006
START 1
SCLK 2
DRDY/DOUT 3
BUFEN 4
ADS1225
12 GND
11 AINN1
10 AINP1
9 NC
NAME
START
SCLK
TERMINAL
NO.
1
2
DRDY/DOUT
3
BUFEN
4
GND
5
TEMPEN
6
MODE
7
NC
8
NC
9
AINP1
10
AINN1
11
GND
12
VREFN
13
VREFP
14
AVDD
15
DVDD
16
PIN DESCRIPTIONS – ADS1225
ANALOG/DIGITAL
INPUT/OUTPUT
Digital Input
Digital Input
Digital Output
Digital Input
Ground
Digital Input
Digital Input
Analog Input
Analog Input
Ground
Analog Input
Analog Input
Analog
Digital
DESCRIPTION
High: Start conversions; Low: Shutdown
Serial clock input
Dual-purpose output:
Data ready: indicates valid data by going low.
Data output: outputs data, MSB first, on the rising edge of SCLK.
Enables buffer after MUX
Ground
Selects temperature sensor input from MUX
Selects between High-Speed and High-Resolution modes
No connect
No connect
Analog channel 1 positive input
Analog channel 1 negative input
Analog and digital ground
Negative reference input
Positive reference input
Analog power supply
Digital power supply
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