參數(shù)資料
型號(hào): VCA822IDGS
廠商: Texas Instruments, Inc.
英文描述: Wideband, > 40dB Gain Adjust Range, Linear in V/V VARIABLE GAIN AMPLIFIER
中文描述: 寬帶,“40dB的增益調(diào)整范圍在V,線性音頻/視頻可變?cè)鲆娣糯笃?/td>
文件頁(yè)數(shù): 15/35頁(yè)
文件大?。?/td> 837K
代理商: VCA822IDGS
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V, A
VMAX
= +100V/V
At T
A
= +25
°
C, R
L
= 100
, R
F
= 845
, R
G
= 16.9
, V
G
= +1V, V
IN
= single-ended input on +V
IN
with –V
IN
at ground, and
SO-14 package, unless otherwise noted.
3
0
-
3
-
6
-
9
-
12
-
15
-
18
Frequency (MHz)
G
0
50
100
150
200
250
300
V = 2V
PP
V = 5V
PP
V = 7V
PP
3
0
-
3
-
6
-
9
-
12
-
15
-
18
Frequency (MHz)
Figure 57.
N
1
10
100
500
A
= 100V/V
V
= 20mV
VMAX
IN
PP
R = 100
W
V = 0V
V = 1V
300
200
100
0
-
100
-
200
-
300
Time (10ns/div)
Figure 59.
O
V
= 5mV
IN
f = 20MHz
PP
3
2
1
0
-
1
-
2
-
3
Time (10ns/div)
Figure 60.
O
V
= 50mV
IN
PP
f = 20MHz
0.10
0.05
0
-
0.05
-
0.10
-
0.15
-
0.20
-
0.25
-
0.30
Frequency (MHz)
M
0.1
0
-
0.1
-
0.2
-
0.3
-
0.4
-
0.5
-
0.6
-
0.7
D
0
10
20
30
40
50
V = +1V
A
VMAX
= +100V/V
1000
100
10
Frequency (Hz)
Figure 62.
O
)
H
100
1k
10k
10M
100k
1M
V = 0V
V = +1V
V = 1V
-
VCA822
SBOS343A–SEPTEMBER 2007–REVISED OCTOBER 2007
SMALL-SIGNAL FREQUENCY RESPONSE
LARGE-SIGNAL FREQUENCY RESPONSE
Figure 58.
SMALL-SIGNAL PULSE RESPONSE
LARGE-SIGNAL PULSE RESPONSE
GAIN FLATNESS
OUTPUT VOLTAGE NOISE DENSITY
Figure 61.
Copyright 2007, Texas Instruments Incorporated
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