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): 17/35頁
文件大?。?/td> 837K
代理商: VCA822IDGS
www.ti.com
110
100
90
80
70
60
50
40
30
20
10
0
-
10
Gain Control Voltage (V)
Figure 69.
G
-
1.2
-
0.8
-
0.4
0
0.4
0.8
1.2
3
0
-
3
-
6
-
9
-
12
Frequency (Hz)
Figure 70.
N
1M
10M
100M
2G
1G
V = 0V
V
= 10mV
+ 10mV
DC
PP
IN
DC
Feedthrough
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
= 25mV
IN
DC
50
40
30
20
10
0
-
10
-
20
-
30
-
40
-
50
-
60
Frequency (Hz)
Figure 72.
N
1M
10M
100M
1G
V
O
= 2V
PP
V = 1V
-
V = 1V
0.20
0.15
0.10
0.05
0
-
0.05
-
0.10
-
0.15
-
0.20
Time (40ns/div)
I
8
6
4
2
0
-
8
-
6
-
4
-
2
O
A
VMAX
= +100V/V
V = 1.0V
Input Voltage
Left Scale
Output Voltage
Right Scale
0.8
0.6
0.4
0.2
0
-
0.2
-
0.4
-
0.6
-
0.8
Time (40ns/div)
Figure 73.
I
8
6
4
2
0
-
2
-
4
-
6
-
8
O
A
VMAX
= +100V/V
V = 0.3V
-
Input Voltage
Left Scale
Output Voltage
Right Scale
VCA822
SBOS343A–SEPTEMBER 2007–REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS: V
S
= ±5V, A
VMAX
= +100V/V (continued)
At T
= +25
°
C, R
= 100
, R
= 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.
GAIN vs GAIN CONTROL VOLTAGE
GAIN CONTROL FREQUENCY RESPONSE
GAIN CONTROL PULSE RESPONSE
FULLY-ATTENUATED RESPONSE
Figure 71.
I
RG
LIMITED OVERDRIVE RECOVERY
OUTPUT LIMITED OVERDRIVE RECOVERY
Figure 74.
Copyright 2007, Texas Instruments Incorporated
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VCA822IDGSTG4 功能描述:運算放大器 - 運放 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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