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): 9/35頁(yè)
文件大?。?/td> 837K
代理商: VCA822IDGS
www.ti.com
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-
0.2
Gain Control Voltage (V)
G
-
1.2
-
0.8
-
0.4
0
0.4
0.8
1.2
3
0
-
3
-
6
-
9
-
12
Frequency (Hz)
Figure 27.
N
1M
10M
100M
1G
V
+ 10mV
G
DC
V
PP
IN
DC
= 0V
= 0.5V
1.5
1.0
0.5
0
-
0.5
-
1.0
Time (10ns/div)
V
G
4
3
2
1
0
-
1
V
O
(
V
= 1.25V
IN
DC
10
0
-
10
-
20
-
30
-
40
-
50
-
60
-
70
-
80
-
90
-
100
Frequency (Hz)
Figure 29.
D
)
P
1M
10M
100M
1G
V = 2V
PP
V = 1V
-
V = 1V
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Gain Control Voltage (V)
Figure 30.
G
-
1.0
-
0.8
-
0.6
-
0.4
-
0.2
0
0.2
0.4
0.6
0.8
1.0
10MHz
20MHz
1MHz
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Frequency (MHz)
Figure 31.
G
0
20
40
60
80
100
V = +1V
V = 1V
PP
VCA822
SBOS343A–SEPTEMBER 2007–REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS: V
S
= ±5V, A
VMAX
= +2V/V (continued)
At T
= +25
°
C, R
= 100
, R
= 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.
GAIN vs GAIN CONTROL VOLTAGE
GAIN CONTROL FREQUENCY RESPONSE
Figure 26.
GAIN CONTROL PULSE RESPONSE
FULLY-ATTENUATED RESPONSE
Figure 28.
GROUP DELAY vs GAIN CONTROL VOLTAGE
GROUP DELAY vs FREQUENCY
Copyright 2007, Texas Instruments Incorporated
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VCA822IDGSTG4 功能描述:運(yùn)算放大器 - 運(yùn)放 WB >40dB Gain Adj Rng Lin V/V Var Gain RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
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