參數(shù)資料
型號(hào): ADS1271IPWR
元件分類(lèi): ADC
英文描述: 24 BIT WIDE BANDWIDTH ANALOG TO DIGITAL CONVERTER
中文描述: 24位寬帶模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù): 5/29頁(yè)
文件大?。?/td> 381K
代理商: ADS1271IPWR
SBAS306A NOVEMBER 2004 REVISED DECEMBER 2004
www.ti.com
5
PIN ASSIGNMENTS
TSSOP (PW) PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VREFP
VREFN
DGND
DVDD
CLK
SCLK
DRDY/FSYNC
DOUT
AINP
AINN
AGND
AVDD
MODE
FORMAT
SYNC/PDWN
DIN
ADS1271
Terminal Functions
PIN
NAME
AINP
NO.
1
FUNCTION
Analog Input
DESCRIPTION
Positive analog input
AINN
2
Analog Input
Negative analog input
AGND
3
Analog Input
Analog ground
AVDD
4
Analog Input
Analog supply
MODE
5
Digital Input
MODE = 0:
MODE = float: High-Resolution mode
MODE = 1:
Low-Power mode
High-Speed mode
FORMAT
6
Digital Input
FORMAT = 0: SPI
FORMAT = 1: Frame-Sync
SYNC/PDWN
7
Digital Input
Synchronize/Power-down input, active low
DIN
8
Digital Input
Data input for daisy-chain operation
DOUT
9
Digital Output
Data output
DRDY/FSYNC
10
Digital
Input/Output
If FORMAT = 0 (SPI), then pin 10 = DRDY output
If FORMAT = 1 (Frame-Sync), then pin 10 = FSYNC input
SCLK
11
Digital Input
Serial clock for data retrieval
CLK
12
Digital Input
Master clock
DVDD
13
Digital Input
Digital supply
DGND
14
Digital Input
Digital ground
VREFN
15
Analog Input
Negative reference input
VREFP
16
Analog Input
Positive reference input
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