參數(shù)資料
型號: ADS1226IRGVTG4
廠商: Analog Devices, Inc.
英文描述: 24-Bit Analog-to-Digital Converter with One- and Two-Channel Differential Inputs and Internal Oscillator
中文描述: 24位模擬數(shù)字轉(zhuǎn)換器與單和雙通道差分輸入和內(nèi)部振蕩器
文件頁數(shù): 5/24頁
文件大?。?/td> 398K
代理商: ADS1226IRGVTG4
www.ti.com
PIN CONFIGURATION
RGV PACKAGE
QFN-16 4.0mm x 4.0mm
(TOP VIEW)
START
SCLK
DRDY/DOUT
BUFEN
GND
AINN1
AINP1
NC
D
A
V
V
1
2
3
4
12
11
10
9
ADS1225
1
1
1
1
G
T
M
N
5
6
7
8
ADS1225
ADS1226
SBAS346–MAY 2006
PIN DESCRIPTIONS – ADS1225
TERMINAL
ANALOG/DIGITAL
INPUT/OUTPUT
Digital Input
Digital Input
NAME
START
SCLK
NO.
1
2
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
DRDY/DOUT
3
Digital Output
BUFEN
GND
TEMPEN
MODE
NC
NC
AINP1
AINN1
GND
VREFN
VREFP
AVDD
DVDD
4
5
6
7
8
9
10
11
12
13
14
15
16
Digital Input
Ground
Digital Input
Digital Input
Analog Input
Analog Input
Ground
Analog Input
Analog Input
Analog
Digital
5
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