參數(shù)資料
型號： PGA309AIPWT
英文描述： Voltage Output PROGRAMMABLE SENSOR CONDITIONER
中文描述： 電壓輸出可編程傳感器空調(diào)
文件頁數(shù)： 4/20頁
文件大小： 298K
代理商： PGA309AIPWT
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SBOS292A DECEMBER 2003 REVISED AUGUST 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS (continued)
BOLDFACE
limits apply over the specified temperature range:
T
A
= 40
°
C to +125
°
C
TA = +25
°
C, VSA = VSD = +5V (VSA = VSUPPLY ANALOG, VSD = VSUPPLY DIGITAL; VSA must equal VSD), GNDD = GNDA = 0, and VREF = REFIN/REFOUT = +5V,
unless otherwise noted.
PGA309
PARAMETER
UNITS
MAX
TYP
MIN
CONDITIONS
OUTPUT AMPLIFIER
Offset Voltage (RTI of Output Amplifier)(2)
vs Temperature
vs Supply Voltage, VSA
Common-Mode Input Range
Input Bias Current
Amplifier Internal Gain
Gain Range Steps
Initial Gain Error
3
5
30
mV
μ
V/
°
C
μ
V/V
V
pA
0
VSA1.5
100
2, 2.4, 3, 3.6, 4.5, 6, 9
2, 2.4, 3.6
4.5
6
9
2, 2.4, 3.6
4.5
6
9
RL = 10k
2 to 9
0.25
0.3
0.4
0.6
5
5
15
30
V/V
%
%
%
%
±
1
±
1.2
±
1.5
±
2.0
vs Temperature
ppm/
°
C
ppm/
°
C
ppm/
°
C
ppm/
°
C
V
dB
MHz
Degrees
Output Voltage Range(4)
Open Loop Gain
Gain-Bandwidth Product
Phase Margin
Output Resistance
0.1
4.9
115
2
45
675
Gain = 2, CL = 200pF
AC Small-Signal, Open-Loop, f = 1MHz, IO = 0
(VREF = 4.096)
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘000’
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘001’
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘010’
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘011’
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘100’
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘101’
Ratio of VREF, Register 5—Bits D5, D4, D3 = ‘110’
OVER- AND UNDER-SCALE LIMITS
Over-Scale Thresholds
0.9708
0.9610
0.9394
0.9160
0.9102
0.7324
0.5528
+60
+0.37
0.0605
0.0547
0.0507
0.0449
0.0391
0.0352
0.0293
0.0254
50
0.15
Over-Scale Comparator Offset
Over-Scale Comparator Offset Drift
Under-Scale Thresholds
+6
+114
mV
mV/
°
C
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘111’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘110’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘101’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘100’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘011’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘010’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘001’
Ratio of VREF, Register 5—Bits D2, D1, D0 = ‘000’
Under-Scale Comparator Offset
Under-Scale Comparator Offset Drift
FAULT MONITOR CIRCUIT
INP_HI, INN_HI Comparator Threshold
INP_LO, INN_LO Comparator Threshold
A1SAT_HI, A2SAT_HI Comparator Threshold
A1SAT_LO, A2SAT_LO Comparator Threshold
A3_VCM Comparator Threshold
Comparator Hysteresis
7
+93
mV
mV/
°
C
See Note 5
VSA1.2 or VEXC0.1
100
VSA0.12
VSA0.12
VSA1.2
20
V
40
mV
V
V
V
mV
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