Datasheet 搜索 > AD转换器 > TI（德州仪器） > ADS1258IRTCR 数据手册 > ADS1258IRTCR 数据手册 5/54 页
器件3D模型￥ 47.516
ADS1258IRTCR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
AD转换器
封装:
VQFN-48
描述:
16输入通道,串行I/O接口24位A/D转换器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P5P6Hot
原理图在P13P17P18
封装尺寸在P47P49P50
型号编码规则在P2
标记信息在P47
封装信息在P2P47P48P49P50
技术参数、封装参数在P2
应用领域在P1P14P41P48P54
电气规格在P3P4
导航目录
ADS1258IRTCR数据手册
Page:
of 54 Go
若手册格式错乱，请下载阅览PDF原文件
36
35
34
33
32
31
30
29
28
27
26
25
AIN12
AIN13
AIN14
AIN15
AINCOM
VREFP
VREFN
DGND
DVDD
CS
START
DRDY
AIN4
AIN5
AIN6
AIN7
MUXO
UTP
MUXO
UTN
ADCINP
ADCINN
AIN8
AIN9
AIN10
AIN11
CLKIO
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
SCLK
DIN
DOUT
1
2
3
4
5
6
7
8
9
10
11
12
AIN3
AIN2
AIN1
AIN0
AVSS
AVDD
PLLCAP
XTAL1
XTAL2
PWDN
RESET
CLKSEL
48 47 46 45 44 43 42
41 40 39 38
13 14 15 16 17 18 19 20 21 22 23
37
24
ADS1258
ADS1258
www.ti.com
SBAS297G –JUNE 2005– REVISED MARCH 2011
PIN CONFIGURATION
RTC PACKAGE
QFN-48
(TOP VIEW)
PIN ASSIGNMENTS
ANALOG/DIGITAL
PIN # NAME INPUT/OUTPUT DESCRIPTION
1 AIN3 Analog Input Analog Input 3: Single-Ended Channel 3, Differential Channel 1 (–)
2 AIN2 Analog Input Analog Input 2: Single-Ended Channel 2, Differential Channel 1 (+)
3 AIN1 Analog Input Analog Input 1: Single-Ended Channel 1, Differential Channel 0 (–)
4 AIN0 Analog Input Analog Input 0: Single-Ended Channel 0, Differential Channel 0 (+)
Negative Analog Power Supply: 0V for unipolar operation, –2.5V for bipolar operation.
5 AVSS Analog
(Internally connected to exposed thermal pad of QFN package.)
6 AVDD Analog Positive Analog Power Supply: +5V for unipolar operation, +2.5V for bipolar operation.
7 PLLCAP Analog PLL Bypass Capacitor: Connect 22nF capacitor to AVSS when using crystal oscillator.
8 XTAL1 Analog 32.768kHz Crystal Oscillator Input 1; see Crystal Oscillator section.
9 XTAL2 Analog 32.768kHz Crystal Oscillator Input 2; see Crystal Oscillator section.
10 PWDN Digital Input Power-Down Input: Hold low for minimum of two f
CLK
cycles to engage low-power mode.
11 RESET Digital Input Reset Input: Hold low for minimum of two f
CLK
cycles to reset the device.
Clock Select Input: Low = Activates Crystal Oscillator, f
CLK
output on CLKIO.
12 CLKSEL Digital Input
High = Disables Crystal Oscillator, apply f
CLK
to CLKIO.
13 CLKIO Digital I/O System Clock Input/Output (See CLKSEL pin.)
14 GPIO0 Digital I/O General-Purpose Digital Input/Output 0
15 GPIO1 Digital I/O General-Purpose Digital Input/Output 1
16 GPIO2 Digital I/O General-Purpose Digital Input/Output 2
17 GPIO3 Digital I/O General-Purpose Digital Input/Output 3
18 GPIO4 Digital I/O General-Purpose Digital Input/Output 4
19 GPIO5 Digital I/O General-Purpose Digital Input/Output 5
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