參數(shù)資料
型號: ADS1191IPBSR
廠商: Texas Instruments
文件頁數(shù): 2/67頁
文件大?。?/td> 0K
描述: IC AFE 16BIT 8KSPS 1CH 32TQFP
標準包裝: 1,000
位數(shù): 16
通道數(shù): 1
電壓 - 電源,模擬: 2.7 V ~ 5.25 V
電壓 - 電源,數(shù)字: 1.7 V ~ 3.6 V
封裝/外殼: 32-TQFP
供應(yīng)商設(shè)備封裝: 32-TQFP(5x5)
包裝: 帶卷 (TR)
SBAS566A – DECEMBER 2011 – REVISED SEPTEMBER 2012
PIN ASSIGNMENTS
NAME
TERMINAL
FUNCTION
DESCRIPTION
AVDD
12
Supply
Analog supply
AVSS
13
Supply
Analog ground
CS
18
Digital input
Chip select
CLK
17
Digital input
Master clock input
CLKSEL
14
Digital input
Master clock select
DGND
24
Supply
Digital ground
DIN
19
Digital input
SPI data in
DOUT
21
Digital output
SPI data out
DRDY
22
Digital output
Data ready; active low
DVDD
23
Supply
Digital power supply
GPIO1/RCLK1
26
Digital input/output
GPIO1
GPIO2/RCLK2
25
Digital input/output
GPIO2
IN1N(1)
3
Analog input
Differential analog negative input 1
IN1P(1)
4
Analog input
Differential analog positive input 1
IN2N(1)
5
Analog input
Differential analog negative input 2
IN2P(1)
6
Analog input
Differential analog positive input 2
PGA1N
1
Analog output
Differential analog negative output 1
PGA1P
2
Analog output
Differential analog positive output 1
PGA2N
7
Analog output
Differential analog negative output 2
PGA2P
8
Analog output
Differential analog positive output 2
PWDN/RESET
15
Digital input
Power-down/System reset; active low
RLDIN/RLDREF
29
Analog input
Right leg drive input to MUX/RLD reference
RLDINV
28
Analog input
Right leg drive inverting input
RLDOUT
30
Analog input
Right leg drive output
IN3N(1)
32
Analog input/output
Differential analog negative input 3
IN3P(1)
31
Analog input/output
Differential analog positive input 3
SCLK
20
Digital input
SPI clock
START
16
Digital input
Start conversion
VCAP1
11
Analog bypass capacitor
VCAP2
27
Analog bypass capacitor
VREFN
10
Analog input
Negative reference voltage
VREFP
9
Analog input/output
Positive reference voltage
(1)
Excludes effects of noise, linearity, offset, and gain error.
10
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Links: ADS1191 ADS1192
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