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PGA281 参数 Datasheet PDF下载

PGA281图片预览
型号: PGA281
PDF下载: 下载PDF文件 查看货源
内容描述: 精密,零漂移,高电压,可编程增益仪表放大器 [Precision, Zero-Drift, High-Voltage, Programmable Gain Instrumentation Amplifier]
分类和应用: 仪表放大器
文件页数/大小: 32 页 / 2049 K
品牌: TI [ TEXAS INSTRUMENTS ]
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PGA281  
www.ti.com  
SBOS664A MARCH 2013REVISED JUNE 2013  
ELECTRICAL CHARACTERISTICS (continued)  
At TA = +25°C, VSP = +15 V, VSN = –15 V, VSON = 0 V, VSOP = 5 V, DVDD = +3 V, RL = 2.5 kto VSOP / 2 = VOCM,  
G = 1 V/V, VCM = 0 V, and differential output, unless otherwise noted.  
PGA281  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
DIGITAL I/O (Supply = 2.7 V to 5.5 V)  
Logic low threshold  
0.1  
0.2(DVDD)  
DVDD  
V
V
G4:G0 pin input  
Logic high threshold  
0.8(DVDD)  
G4:G0 pin input current  
Error flag (EF pin) output  
0.2  
μA  
V
Logic low, disable  
0.7  
Logic high, alarm  
DVDD – 0.5  
V
Alarm disable (recovery)  
Disable alarm (response)  
5
μs  
μs  
Error flag (EF pin) delay  
30  
POWER SUPPLY: Input Stage (VSP – VSN)  
Specified voltage range  
TA = –40°C to +105°C  
10 (±5)  
10 (±5)  
36 (±18)  
V
V
Operating voltage range  
38 (±19)  
IQ(VSP)  
IQ(VSN)  
Quiescent current , VSP pin  
Quiescent current, VSN pin  
TA = –40°C to +105°C  
TA = –40°C to +105°C  
2.4  
2.1  
3
3
mA  
mA  
POWER SUPPLY: Output Stage (VSOP – VSON)  
Specified voltage range  
VSP – 1.5 V VSOP, TA = –40°C to +105°C  
2.7  
5.5  
V
V
Voltage range for VSOP, upper  
limit  
(VSP – 2 V) > VOCM, (VSP – 5 V) > VSON  
(VSP)  
0.75  
Voltage range for VSON  
(VSP – 2 V) > VOCM, VSP VSOP  
(VSN)  
(VSP) – 5  
1
V
IQ(VSOP)  
Quiescent current, VSOP pin  
TA = –40°C to +105°C  
mA  
POWER SUPPLY: Digital (DVDD – VSON)  
Specified voltage range  
TA = –40°C to +105°C  
2.7  
5.5  
V
V
Voltage range for DVDD, upper  
limit  
(VSP) – 1  
(VSN)  
Voltage range for VSON, lower  
limit  
V
Static condition, no external load, DVDD = 3 V,  
TA = –40°C to +105°C  
IQ(DVDD)  
Quiescent current(11)  
0.07  
0.13  
mA  
TEMPERATURE  
Specified range  
Operating range  
–40  
–55  
+105  
+140  
°C  
°C  
(11) See Application Information section and Typical Characteristic graphs.  
Copyright © 2013, Texas Instruments Incorporated  
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Product Folder Links: PGA281  
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