參數(shù)資料
型號(hào)： PGA308AIDGST
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO10
封裝： GREEN, PLASTIC, MSOP-10
文件頁(yè)數(shù)： 25/29頁(yè)
文件大?。?/td> 962K
代理商： PGA308AIDGST
www.ti.com
SBOS440B – JULY 2008 – REVISED DECEMBER 2010
ELECTRICAL CHARACTERISTICS (continued)
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, VS = +5V, GND = 0V, DOUT/VCLAMP = +5V, and VREF = +5V, unless otherwise noted.
PGA308
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Over- and Under-Scale Limits
Over-Scale Thresholds
VLIM = 4V, register-selectable ratio of VLIM
OS0
HL[2:0] (CFG1 register D[5:3]) = 000
0.97
0.9805
0.99
V/V
OS1
HL[2:0] (CFG1 register D[5:3]) = 001
0.9588
0.9688
0.9788
V/V
OS2
HL[2:0] (CFG1 register D[5:3]) = 010
0.9509
0.9609
0.9709
V/V
OS3
HL[2:0] (CFG1 register D[5:3]) = 011
0.9392
0.9492
V/V
OS4
HL[2:0] (CFG1 register D[5:3]) = 100
0.8416
0.8516
0.8616
V/V
OS5
HL[2:0] (CFG1 register D[5:3]) = 101
0.7673
0.7773
0.7873
V/V
OS6
HL[2:0] (CFG1 register D[5:3]) = 110
0.6189
0.6289
0.6389
V/V
OS7
HL[2:0] (CFG1 register D[5:3]) = 111
0.5603
0.5703
0.5803
V/V
Over-Scale Threshold Tempco
±3
ppm/°C
Over-Scale Amplifier Offset
±9
mV
Over-Scale Amplifier Offset Drift
±10
mV/°C
Under-Scale Thresholds
VLIM = 5V, register-selectable ratio of VLIM
US7
LL[2:0] (CFG1 register D[2:0]) = 111
0.0487
0.0547
0.0607
V/V
US6
LL[2:0] (CFG1 register D[2:0]) = 110
0.04478
0.05078
0.05678
V/V
US5
LL[2:0] (CFG1 register D[2:0]) = 101
0.04088
0.04688
0.05288
V/V
US4
LL[2:0] (CFG1 register D[2:0]) = 100
0.03306
0.03906
0.04506
V/V
US3
LL[2:0] (CFG1 register D[2:0]) = 011
0.02916
0.03516
0.04116
V/V
US2
LL[2:0] (CFG1 register D[2:0]) = 010
0.02525
0.03125
0.03725
V/V
US1
LL[2:0] (CFG1 register D[2:0]) = 001
0.01743
0.02343
0.02943
V/V
US0
LL[2:0] (CFG1 register D[2:0]) = 000
0.01353
0.01953
0.02553
V/V
Under-Scale Threshold Tempco
±3
ppm/°C
Under-Scale Amplifier Offset
±9
mV
Under-Scale Amplifier Offset Drift
±10
mV/°C
Output Voltage Clamp
Input Voltage Range
VCLAMP ≤ VS, VS = +5V
1.25
4.95
V
Input Bias Current
±60
nA
VOUT Clamp Point
VCLAMP – 0.05
VCLAMP
VCLAMP + 0.05
V
Fault Monitor Circuit
(External Comparators)
INP_HI Comparator Threshold
Fault Detect Mode Select = 0 (bridge fault); see CFG1
Smaller of (VS – 1.2) or (0.65VFLT)
V
INN_HI Comparator Threshold
register
INP_LO Comparator Threshold
Fault Detect Mode Select = 0 (bridge fault); see CFG1
Larger of (0.1V) or (0.35VFLT)
V
INN_LO Comparator Threshold
register
Fault Monitor Reference
VFLT
Fault Monitor Reference; see CFG1 register, FLT REF bit
VS or VREF
V
sets VFLT
INP_HI Comparator Threshold
Fault Detect Mode Select = 1 (common-mode fault); see
VS – 1.2
V
INN_HI Comparator Threshold
CFG1 register
INP_LO Comparator Threshold
Fault Detect Mode Select = 1 (common-mode fault); see
70
100
130
mV
INN_LO Comparator Threshold
CFG1 register
Comparator Hysteresis
7
mV
Comparator Input Offset Voltage
±10
mV
Fault Monitor Circuit
(Internal Comparators)
A1SAT_LO Comparator Threshold
Threshold is amplifier negative saturation voltage
100
mV
A2SAT_LO Comparator Threshold
A1SAT_HI Comparator Threshold
Threshold is amplifier positive saturation voltage
VS – 0.12
V
A2SAT_HI Comparator Threshold
A3SAT_LO Comparator Threshold
Threshold is amplifier negative saturation voltage
50
mV
VIN1, VIN2 Pull-up Current Sources
Pull-Up Current Source
IPU
Register-selectable
15
30
45
nA
Current Source Matching
±1.5
±7
nA
Current Source Tempco
±5
pA/°C
Copyright 2008–2010, Texas Instruments Incorporated
5
Product Folder Link(s): PGA308
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PGA308AIDGST 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC
PGA308AIDGSTG4 功能描述:電流靈敏放大器 Sgl Amp w/Program- mable Gain RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
PGA308AIDRKR 功能描述:電流靈敏放大器 Sgl Supply Auto-Zero Sensor Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
PGA308AIDRKT 功能描述:電流靈敏放大器 Sgl Supply Auto-Zero Sensor Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
PGA308AQDGSRQ1 功能描述:特殊用途放大器 AC Sgl Supply,Auto Zero Sensor Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel
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