參數(shù)資料
型號: 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/視頻可變增益放大器
文件頁數(shù): 7/35頁
文件大?。?/td> 837K
代理商: VCA822IDGS
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V, A
VMAX
= +2V/V
At T
A
= +25
°
C, R
L
= 100
, R
F
= 1.33k
, R
G
= 1.33k
, 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 (Hz)
Figure 14.
N
1M
10M
100M
1G
A
= 2V/V
V
= 1V
R = 100
W
VMAX
IN
PP
V = 1V
V = 0V
3
0
-
3
-
6
-
9
-
12
-
15
-
18
Frequency (Hz)
Figure 15.
N
1M
10M
100M
1G
V = 2V
PP
V = 1V
PP
V = 5V
PP
V = 7V
PP
400
300
200
100
0
-
100
-
200
-
300
Time (10ns/div)
Figure 16.
O
V
IN
PP
= 250mV
f = 20MHz
4
3
2
1
0
-
1
-
2
-
3
Time (10ns/div)
Figure 17.
O
V
IN
PP
= 2.5V
f = 20MHz
0
-
0.05
-
0.10
-
0.15
-
0.20
-
0.25
-
0.30
-
0.35
-
0.40
-
0.45
-
0.50
Frequency (MHz)
M
0
-
0.05
-
0.10
-
0.15
-
0.20
-
0.25
-
0.30
-
0.35
-
0.40
-
0.45
-
0.50
D
0
10
20
30
40
50
A
VMAX
= +2V/V
V = +1V
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
Number of Video Loads
Figure 18.
D
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
D
1
2
3
4
-
dP
V = 1V
-
dP
V = 0V
-
dG
V = 1V
-
dG
V = 0V
VCA822
SBOS343A–SEPTEMBER 2007–REVISED OCTOBER 2007
SMALL-SIGNAL FREQUENCY RESPONSE
LARGE-SIGNAL FREQUENCY RESPONSE
SMALL-SIGNAL PULSE RESPONSE
LARGE-SIGNAL PULSE RESPONSE
COMPOSITE VIDEO dG/dP
GAIN FLATNESS, DEVIATION FROM LINEAR PHASE
Figure 19.
Copyright 2007, Texas Instruments Incorporated
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