參數(shù)資料
型號(hào)： PGA308AIDRKT
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQCC10
封裝： 3 X 4 MM, GREEN, PLASTIC, SON-10
文件頁數(shù)： 5/29頁
文件大小： 962K
代理商： PGA308AIDRKT
20mV/div
Time(5 s/div)
m
CMPSEL=0(CompOff)
G=4x1x2
V
=100mV
OPP
R
L =10kW
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
L
=10kW,C =10nF
R
L
=1kW,C =10nF
C
L 100pF
20mV/div
Time(5 s/div)
m
CMPSEL=0(CompOff)
G=4x1x2
V
=100mV
OPP
R
L =10kW
Frequency(Hz)
10
100
1k
10k
100k
1M
10M
10k
1k
100
10
Open-LoopOutputImpedance(
)
W
I =0
L
I
L =500mA
I =5mA
L
CMPSEL=1
CMPSEL=0
V
(50mV/div)
O
U
T
Time(50 s/div)
m
CMPSEL=1(CompOn),
R =10k
R
=100 ,
L
ISO
W,
W C =10nF,C
L
F =47pF,
G=600x1x2,f=4kHz,V
=100mV
OPP
V
(1V/div)
O
U
T
Time(50 s/div)
m
CMPSEL=1(CompOn),
R =10k
R
=100 ,
L
ISO
W,
W C =10nF,C
L
F =47pF,
G=600x1x2,f=4kHz,V
=4V
OPP
www.ti.com
SBOS440B – JULY 2008 – REVISED DECEMBER 2010
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.
OUTPUT AMPLIFIER OPEN-LOOP PHASE vs
CAPACITIVE LOAD DRIVE
FREQUENCY (CMP SEL = 0)
CL = 1nF
Figure 25.
Figure 26.
CAPACITIVE LOAD DRIVE
OPEN-LOOP OUTPUT IMPEDANCE vs
CL = 10pF
FREQUENCY
Figure 27.
Figure 28.
SMALL-SIGNAL STEP RESPONSE
LARGE-SIGNAL STEP RESPONSE
CMP SEL = 1
Figure 29.
Figure 30.
Copyright 2008–2010, Texas Instruments Incorporated
13
Product Folder Link(s): PGA308
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