参数资料
型号: PGA308AIDGSTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO10
封装: GREEN, PLASTIC, MSOP-10
文件页数: 29/29页
文件大小: 962K
代理商: PGA308AIDGSTG4
Temperature( C)
°
-50
150
100
75
125
0
-25
50
25
40
35
30
25
20
15
10
5
0
InputBiasCurrent,Pull-UpEnabled(nA)
Temperature( C)
°
-50
150
100
75
125
0
-25
50
25
900
800
700
600
500
400
300
200
100
0
InputBiasCurrent(pA)
Temperature( C)
°
-50
150
100
75
125
-25
50
25
0
0.6
0.5
0.4
0.3
0.2
0.1
0
ErrorfromIdealV
alue(%)
+11mVOffsetAdjust
-10mVOffsetAdjust
+51mVto+99mVOffsetAdjust
-
-100mVOffsetAdjust
50mVto
Temperature(°C)
-
50
150
100
75
125
0
3s
-
25
50
25
50
40
30
20
10
0
-
10
-
20
-
30
-
40
OutputV
oltage(
V)
m
ThreeTypicalUnitsShown
Unit1
Unit2
Unit3
V
O
U
T
(500
m
V/div)
0V
Time(2s/div)
CoarseOffset=0V
CoarseOffset=2.5mV
Frequency(Hz)
100
1k
10k
100k
1
0.1
0.01
RTFF
ront-EndNoise(
V/
)
m
Hz
Offset=100mV,G=4x1x1
Offset=40mV,G=100x1x1
Offset=100mV,G=32x1x1
Offset=0V,G=4x1x1
Offset=0V,G=1600x1x1
Offset=0V,G=100x1x1
Offset=0V,G=32x1x1
Clock
Feed-
through
www.ti.com
SBOS440B – JULY 2008 – REVISED DECEMBER 2010
TYPICAL CHARACTERISTICS
At TA = +25°C, VS = VREF = DOUT/VCLAMP = +5V, RL = 10k and CL = 100pF connected to GND, unless otherwise noted.
Gain format is presented: G = FE-PGA × Fine Gain × Output Gain.
FRONT-END PGA INPUT BIAS CURRENT
WITH IPU ENABLED vs TEMPERATURE
WITH IPU DISABLED vs TEMPERATURE
Figure 1.
Figure 2.
COARSE OFFSET ADJUST ERROR vs
FRONT-END PGA OFFSET VOLTAGE vs
TEMPERATURE
Figure 3.
Figure 4.
0.1Hz TO 10Hz OUTPUT NOISE
INPUT-REFERRED FRONT-END NOISE vs
(G = 1600)
FREQUENCY
Figure 5.
Figure 6.
Copyright 2008–2010, Texas Instruments Incorporated
9
Product Folder Link(s): PGA308
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