参数资料
型号: LTC1290CISW#TRPBF
厂商: Linear Technology
文件页数: 31/32页
文件大小: 0K
描述: IC DATA ACQ SYS 12BIT 20-SOIC
标准包装: 1,000
类型: 数据采集系统(DAS),ADC
分辨率(位): 12 b
采样率(每秒): 50k
数据接口: 串行,并联
电压电源: 双 ±
电源电压: ±5 V,5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 带卷 (TR)
8
LTC1290
1290fe
PI FU CTIO S
U
UU
DIN (Pin 17): Digital Data Input. The A/D configuration
word is shifted into this input after CS is recognized.
SCLK (Pin 18): Shift Clock. This clock synchronizes the
serial data transfer.
ACLK (Pin 19): A/D Conversion Clock. This clock controls
the A/D conversion process.
VCC (Pin 20): Positive Supply. This supply must be kept
free of noise and ripple by bypassing directly to the analog
ground plane.
BLOCK DIAGRAM
INPUT
SHIFT
REGISTER
SAMPLE-
AND-
HOLD
12-BIT
CAPACITIVE
DAC
VCC
20
ANALOG
INPUT MUX
1
2
3
4
5
6
7
8
9
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DOUT
16
SCLK
18
CONTROL
AND
TIMING
15
CS
LTC1290 BD
17
REF+
14
DGND
10
AGND
11
V
12
REF
13
COMP
OUTPUT
SHIFT
REGISTER
DIN
19
ACLK
12-BIT
SAR
TEST CIRCUITS
5V
A
IOFF
ION
POLARITY
OFF
CHANNELS
ON CHANNEL
LTC1290 TC01
On and Off Channel Leakage Current
Load Circuit for tdis and ten
DOUT
3k
100pF
TEST POINT
5V WAVEFORM 2
WAVEFORM 1
LTC1290 TC02
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LTC1290DCN#PBF 功能描述:IC DATA ACQ SYS 12BIT 20-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Data Converter Basics 标准包装:1 系列:- 类型:电机控制 分辨率(位):12 b 采样率(每秒):1M 数据接口:串行,并联 电压电源:单电源 电源电压:2.7 V ~ 3.6 V,4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:100-TQFP 供应商设备封装:100-TQFP(14x14) 包装:剪切带 (CT) 其它名称:296-18373-1