參數(shù)資料
型號: PGA308AIDGST
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO10
封裝: GREEN, PLASTIC, MSOP-10
文件頁數(shù): 4/29頁
文件大?。?/td> 962K
代理商: PGA308AIDGST
50mV/div
Time(250 s/div)
m
CMPSEL=0(CompOff),
2.5VV
,R
CLAMP
L =10k
,
W
G=32x1x2,300HzTriangleWave
VS
V
0.1
-
S
V
0.2
-
S
V
0.3
-
S
V
0.4
-
S
GND+0.4
GND+0.3
GND+0.2
GND+0.1
GND
0
3
6
9
12
15
|OutputCurrent|(mA)
OutputV
oltage(V)
V =2.7V
S
V =5.5V
S
V =3V
S
V =5V
S
Temperature( C)
°
-50
150
100
75
125
0
-25
50
25
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
I
(mA)
Q
Frequency(Hz)
0.01
10M
1M
100k
10k
1k
100
10
1
0.1
120
100
80
60
40
20
0
-20
OutputAmplifierOpen-LoopGain(dB)
C =10nF
L
R
L
=10kW,C =10nF
R
L
=1kW,C =10nF
C
L 100pF
Frequency(Hz)
0.01
10M
1M
100k
10k
1k
100
10
1
0.1
120
100
80
60
40
20
0
-20
OutputAmplifierOpen-LoopGain(dB)
C =10nF
L
R =10k ,C
W
L
L =10nF
R =1k ,C
W
L
L =10nF
C
100pF
L
Frequency(Hz)
0.01
10M
1M
100k
10k
1k
100
10
1
0.1
180
160
140
120
100
80
60
40
20
0
-20
OutputAmplifierOpen-LoopPhase(
C =10nF
L
R =10k ,C
W
L
L =10nF
R =1k ,C
W
L
L =10nF
C
100pF
L
SBOS440B – JULY 2008 – REVISED DECEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
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.
VCLAMP RESPONSE
OUTPUT VOLTAGE vs
(CL = 10nF, CMP SEL = 0)
OUTPUT CURRENT
Figure 19.
Figure 20.
QUIESCENT CURRENT vs
OUTPUT AMPLIFIER OPEN-LOOP GAIN vs
TEMPERATURE
FREQUENCY (CMP SEL = 1)
Figure 21.
Figure 22.
OUTPUT AMPLIFIER OPEN-LOOP GAIN vs
OUTPUT AMPLIFIER OPEN-LOOP PHASE vs
FREQUENCY (CMP SEL = 0)
FREQUENCY (CMP SEL = 1)
Figure 23.
Figure 24.
12
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): PGA308
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