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ADS7871IDBG4 PDF预览

ADS7871IDBG4

更新时间: 2024-01-12 05:20:47
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器光电二极管
页数 文件大小 规格书
44页 564K
描述
14-BIT, 48-KSPS, DATA ACQUISITION SYSTEM WITH ANALOG-TO-DIGITAL CONVERTER, MUX, PGA, AND REFERENCE

ADS7871IDBG4 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:1.72Is 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

ADS7871IDBG4 数据手册

 浏览型号ADS7871IDBG4的Datasheet PDF文件第1页浏览型号ADS7871IDBG4的Datasheet PDF文件第2页浏览型号ADS7871IDBG4的Datasheet PDF文件第3页浏览型号ADS7871IDBG4的Datasheet PDF文件第5页浏览型号ADS7871IDBG4的Datasheet PDF文件第6页浏览型号ADS7871IDBG4的Datasheet PDF文件第7页 
ꢀꢁ ꢂꢃ ꢄ ꢃ ꢅ  
www.ti.com  
SLAS370C − APRIL 2002 − REVISED OCTOBER 2004  
ELECTRICAL CHARACTERISTICS  
(1)  
For the Total System , −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  
Digital Outputs  
Data coding  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
Binary 2s complement  
I
I
I
I
= 5 mA  
0.4  
SINK  
Low-level output voltage, V  
OL  
V
V
= 16 mA  
0.8  
4.6  
5
SINK  
Logic levels  
= 0.5 mA  
= 5 mA  
V
DD  
− 0.4  
SOURCE  
SOURCE  
High-level output voltage, V  
OH  
Leakage current  
Hi-Z state, V = 0 V to V  
O
1
µA  
DD  
Output capacitance  
Voltage Reference  
pF  
Pin 26 used as output,  
Use internal OSC or external  
CCLK as conversion clock  
V
V
= 2.048 V, 2.5 V  
= 1.15 V  
−0.25  
0.9  
0.05  
0.25 %FSR  
REF  
Bandgap voltage  
reference  
1.15  
0.6  
V
REF  
Output drive  
µA  
Reference Buffer  
Input voltage, BUFIN  
Input impedance, BUFIN  
Input offset  
V
DD  
− 0.2  
10  
V
At pin 27  
1000||3  
1
GΩ||pF  
mV  
−10  
−0.25  
0.05  
10  
0.25 %FSR  
50 ppm/°C  
mA  
Output voltage accuracy vs temperature,  
(2) (3)  
Pin 28 used as output,  
BUFOUT/REFIN  
V
REF  
= 2.048 V and 2.5 V  
Output drive, BUFOUT/REFIN  
Power Supply Requirements  
Supply voltage  
20  
2.7  
5.5  
V
REF and BUF on, Internal os-  
cillator on  
1-kHz Sample rate  
1.2  
1.7  
mA  
REF and BUF on, External  
CCLK  
(2)  
48-kHz Sample rate  
Power down  
2
1
mA  
µA  
Power supply current  
REF, BUF, Internal  
oscillator off  
REF and BUF on, Internal  
oscillator on  
1-kHz Sample rate  
6
mW  
(2)  
REF and BUF on, External  
CCLK  
Power dissipation  
48-kHz Sample rate  
Power down  
8.5  
11  
5
mW  
REF and BUF off  
µW  
Temperature Range  
Operating free-air  
Storage range  
−40  
−65  
85  
°C  
°C  
150  
Thermal resistance, Q  
65  
°C/W  
JA  
(1)  
(2)  
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.  
REF and BUF contribute 190 µA and 150 µA (950 µW and 750 µW) respectively. At initial power up the default condition for both REF and BUF  
functions is power off. They can be turned on under software control by writing a 1 to D3 and D2 of register 7, REF/OSCILLATOR CONTROL  
register.  
(3)  
For V  
< 3 V, V = 2.5 V is not usable.  
DD  
REF  
4

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