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/視頻可變增益放大器
文件頁數(shù)： 3/35頁
文件大?。?/td> 837K
代理商： VCA822IDGS
www.ti.com
ELECTRICAL CHARACTERISTICS: V
S
= ±5V
At A
VMAX
= +10V/V, R
F
= 1k
, R
G
= 200
, and R
L
= 100
, unless otherwise noted.
VCA822
SBOS343A–SEPTEMBER 2007–REVISED OCTOBER 2007
VCA822
MIN/MAX OVER
TEMPERATURE
TYP
0
°
C to
70
°
C
(3)
–40
°
C to
+85
°
C
(3)
MIN/
MAX
TEST
LEVEL
(1)
PARAMETER
CONDITIONS
+25
°
C
+25
°
C
(2)
UNITS
AC PERFORMANCE
Small-signal bandwidth (SO-14 Package)
A
VMAX
= +2V/V, V
O
= 1V
PP
, V
G
= 1V
168
MHz
typ
C
A
VMAX
= +10V/V, V
O
= 1V
PP
, V
G
= 1V
150
MHz
typ
C
A
VMAX
= +100V/V, V
O
= 1V
PP
, V
G
= 1V
118
MHz
typ
C
Large-signal bandwidth
A
VMAX
= +10V/V, V
O
= 5V
PP
, V
G
= 1V
137
MHz
typ
C
Gain control bandwidth
V
G
= 0V
DC
+ 10mV
PP
200
170
170
165
MHz
min
B
Bandwidth for 0.1dB flatness
A
VMAX
= +10V/V, V
O
= 1V
PP
, V
G
= 1V
28
MHz
typ
C
Slew rate
A
VMAX
= +10V/V, V
O
= 5V Step, V
G
= 1V
1700
1500
1500
1450
V/
μ
s
min
B
Rise-and-fall time
A
VMAX
= +10V/V, V
O
= 5V Step, V
G
= 1V
2.5
3.1
3.2
3.2
ns
max
B
Settling time to 0.01%
A
VMAX
= +10V/V, V
O
= 5V Step, V
G
= 1V
11
ns
typ
C
Harmonic distortion
2nd-harmonic
V
O
= 2V
PP
, f = 20MHz, V
G
= 1V
–62
–60
–60
–60
dBc
min
B
3rd-harmonic
V
O
= 2V
PP
, f = 20MHz, V
G
= 1V
–68
–66
–66
–66
dBc
min
B
Input voltage noise
f > 100kHz, V
G
= 1V
8.2
nV/
√
Hz
typ
C
Input current noise
f > 100kHz, V
G
= 1V
2.6
pA/
√
Hz
typ
C
GAIN CONTROL
Absolute gain error
A
VMAX
= +10V/V, V
G
= 1V
±0.1
±0.4
±0.5
±0.6
dB
max
A
Gain deviation
A
VMAX
= +10V/V, 0 < V
G
< 1V
±0.05
±0.3
±0.34
±0.37
dB
max
A
Gain deviation
A
VMAX
= +10V/V, –0.8 < V
G
< 1V
±1.06
±1.9
±2.1
±2.2
dB
max
A
Gain at V
G
= –0.9V
Relative to maximum gain
–26
–24
–24
–23
dB
max
A
Gain control bias current
V
G
= 0V
22
30
35
37
μ
A
max
A
Average gain control bias current drift
V
G
= 0V
100
100
nA/
°
C
max
B
Gain control input impedance
70 || 1
k
|| pF
typ
C
DC PERFORMANCE
Input offset voltage
A
VMAX
= +10V/V, V
CM
= 0V, V
G
= 0V
±4
±17
±17.8
±19
mV
max
A
Average input offset voltage drift
A
VMAX
= +10V/V, V
CM
= 0V, V
G
= 0V
±30
±30
μ
V/
°
C
max
B
Input bias current
A
VMAX
= +10V/V, V
CM
= 0V, V
G
= 0V
19
25
29
31
μ
A
max
A
Average input bias current drift
A
VMAX
= +10V/V, V
CM
= 0V, V
G
= 0V
±90
±90
nA/
°
C
max
B
Input offset current
A
VMAX
= +10V/V, V
CM
= 0V, V
G
= 0V
±0.5
±2.5
±3.2
±3.5
μ
A
max
A
Average input offset current drift
A
VMAX
= +10V/V, V
CM
= 0V, V
G
= 0V
±16
±16
nA/
°
C
max
B
Maximum current through gain resistance
(I
RG MAX
)
2.6
2.55
2.55
2.5
mA
max
B
INPUT
Most positive input voltage
R
L
= 100
+1.6
+1.6
+1.6
+1.6
V
min
A
Most negative input voltage
R
L
= 100
–2.1
–2.1
–2.1
–2.1
V
max
A
Common-mode rejection ratio
V
CM
= ±0.5V
80
65
60
60
dB
min
A
Input impedance
Differential
0.5 || 1
M
|| pF
typ
C
Common-mode
0.5 || 2
M
|| pF
typ
C
(1)
Test levels:
(A)
100% tested at +25
°
C. Over temperature limits set by characterization and simulation.
(B)
Limits set by characterization
and simulation.
(C)
Typical value only for information.
Junction temperature = ambient for +25
°
C tested specifications.
Junction temperature = ambient at low temperature limit; junction temperature = ambient +23
°
C at high temperature limit for over
temperature specifications.
(2)
(3)
Copyright 2007, Texas Instruments Incorporated
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VCA822
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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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