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ADS7871IDBR PDF预览

ADS7871IDBR

更新时间: 2024-01-11 19:00:22
品牌 Logo 应用领域
德州仪器 - TI 转换器光电二极管
页数 文件大小 规格书
42页 426K
描述
14-BIT, 48-KSPS, DATA ACQUISITION SYSTEM WITH ANALOG-TO-DIGITAL CONVERTER, MUX, PGA, AND REFERENCE

ADS7871IDBR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SSOP
包装说明:SSOP-28针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.34Is Samacsys:N
最大模拟输入电压:5.7 V最小模拟输入电压:-0.2 V
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-PDSO-G28
JESD-609代码:e4长度:10.2 mm
最大线性误差 (EL):0.0122%湿度敏感等级:2
模拟输入通道数量:8位数:14
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY, 2'S COMPLEMENT BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP28,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
采样速率:0.048 MHz座面最大高度:2 mm
子类别:Analog to Digital Converters最大压摆率:2 mA
最小供电电压:2.7 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5.3 mmBase Number Matches:1

ADS7871IDBR 数据手册

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ꢀ ꢁꢂ ꢃꢄ ꢃꢅ  
www.ti.com  
SLAS370C − APRIL 2002 − REVISED OCTOBER 2004  
ELECTRICAL CHARACTERISTICS  
(1)  
For Internal Functions , −40°C T 85°C, V  
= 5 V, BUFIN = 2.5 V (using external reference), 2.5-MHz CCLK and 2.5-MHz SCLK (unless  
A
DD  
otherwise noted)  
PARAMETER  
Multiplexer  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
On resistance  
Off resistance  
On channel = 5.2 V,  
100  
1
GΩ  
V
LNx  
= 5.2 V  
100  
100  
100  
100  
pA  
pA  
pA  
pA  
Off channel = 0 V  
Off channel leakage  
current  
On channel = 0 V,  
Off channel = 5.2 V  
On channel = 5.2 V,  
Off channel = 0 V  
On channel leakage  
current  
On channel = 0 V,  
Off channel = 5.2 V  
PGA Amplifier  
Offset voltage  
100  
5/Gain  
0.3  
µV  
MHz  
µs  
Small signal bandwidth  
G = 1  
G = 20  
Settling time  
6.4  
µs  
Analog-To-Digital Converter DC Characteristics  
Resolution  
14  
2
Bits  
LSB  
LSB  
Bits  
LSB  
%
Integral linearity error  
Differential linearity error  
No missing codes  
0.5  
14  
2
Offset error  
REFIN = 2.5 V  
Full-scale (gain) error  
Common mode rejection, RTI of A/D  
Power supply rejection, RTI of ADS7871  
PGA Plus A/D Converter Sampling Dynamics  
Throughput rate  
0.02  
60  
60  
dB  
External reference, V  
= 5 V 10%  
dB  
DD  
f
= 2.5 MHz, DF = 1  
CCLK  
50 CCLK cycles  
14 CCLK cycles  
28 CCLK cycles  
8 CCLK cycles  
36 CCLK cycles  
50  
5.6  
9.6  
3.2  
12.8  
5
kHz  
µs  
Conversion time  
Acquisition time  
µs  
Auto zero time  
µs  
Aperture delay  
µs  
Small signal bandwidth  
Step response  
MHz  
1 Complete Conversion Cycle  
(1)  
The specifications for the total system are overall analog input to digital output specifications. The specifications for internal functions indicate  
the performance of the individual functions in the ADS7871.  
5

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