參數(shù)資料
型號： VCA810IDR
英文描述： High Gain Adjust Range, Wideband, Voltage-Controlled Amplifier
中文描述： 高增益調(diào)整范圍，寬帶，電壓控制放大器
文件頁數(shù)： 3/25頁
文件大小： 417K
代理商： VCA810IDR
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SBOS275C JUNE 2003 REVISED OCTOBER 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS: V
S
= 5V
Boldface
limits are tested at
+25 C
.
RL = 500
, and VIN
= single-ended input on V+ with V at ground, unless otherwise noted.
VCA810ID
TYP
MIN/MAX OVER TEMPERATURE
+0
°
C to
+70
°
C
(2)
+85
°
C
(2)
PARAMETER
CONDITIONS
+25
°
C
+25
°
C
(1)
40
°
C to
UNITS
MIN/
MAX
TEST
LEVELS
(3)
AC PERFORMANCE (see Figure 1)
Small-Signal Bandwidth
Large-Signal Bandwidth
Frequency Response Peaking
Slew Rate
Settling Time to 0.1%
Rise-and-Fall Time
Group Delay
Group Delay Variation
Harmonic Distortion
2nd-Harmonic
3rd-Harmonic
Input Voltage Noise
Input Current Noise
Fully Attenuated Feedthrough
Overdrive Recovery
DC PERFORMANCE
Output Offset Voltage(4)
(both inputs grounded)
Output Offset Voltage Drift
Input Offset Voltage(4)
Input Offset Voltage Drift
Input Bias Current
Input Bias Current Drift
Input Offset Current
Input Offset Current Drift
INPUT
Common-Mode Input Range
Common-Mode Rejection Ratio
Input Impedance
2V
≤
VC
≤
0
VO = 2VPP, 2
≤
VC
≤
1
VO < 500mVPP, 2
≤
VC
≤
0
VO = 3.5V Step, 2
≤
VC
≤
1, 10%90%
VO = 1V Step, 2
≤
VC
≤
1
VO = 1V Step, 2
≤
VC
≤
1
G=0dB, VC=1V, f = 5MHz, VO = 500mVPP
VO < 500mVPP, 2
≤
VC
≤
0, f = 5MHz
35
35
0.1
350
30
10
6.2
3.5
30
30
0.5
300
40
12
29
29
0.5
300
41
12.1
29
29
0.5
295
41
12.1
MHz
MHz
dB
V/
μ
s
ns
ns
ns
ns
min
min
min
min
min
min
typ
typ
B
B
B
B
B
B
C
C
VO = 1VPP, f = 1MHz, VC = 1V, G = 0dB
VO = 1VPP, f = 1MHz,VC = 1V, G = 0dB
VC = 2V
2V
≤
VC
≤
0V
f
≤
1MHz, VC > +200mV
VIN = 2V to 0V, VC = 2V, G = 40dB
Single-Ended or Differential Input
71
35
2.4
1.4
80
100
51
34
2.8
1.8
70
150
50
32
3.4
2.0
49
29
3.5
2.1
dBc
dBc
nV/
√
Hz
pA/
√
Hz
dB
ns
min
min
max
max
max
min
B
B
B
B
B
B
2V
≤
VC
≤
0V
±
4
22
±
30
±
125
±
0.30
±
1
12
±
25
±
700
±
1.4
±
32
±
125
±
0.35
±
1.2
14
±
30
±
800
±
2.2
mV
V/
°
C
mV
μ
V/
°
C
μ
A
nA/
°
C
nA
nA/
°
C
max
max
max
max
max
max
max
max
A
B
A
B
A
B
A
B
Both Inputs Grounded
±
0.1
0.25
2V
≤
VC
≤
0V
6
10
2V
≤
VC
≤
0V
±
100
600
±
2.4
95
1 || 1
>10||<2
3
2.3
85
±
2.3
83
±
2.2
80
V
dB
min
min
typ
typ
typ
A
A
C
C
C
VCM = 0.5V, VC = 2V, Input Referred
VCM = 0V, Single-Ended
VCM = 0V, Differential
VC = 0V, VCM = 0V
M
||pF
k
||pF
VPP
Differential Input Range(5)
OUTPUT
Voltage Output Swing
VC = 2V, RL
≥
500
VC = 2V, RL = 100
VO = 0V
VO = 0V
VO = 0V, f < 100kHz
Single-Ended or Differential Input
VC/
dB = 25mV/dB
G = 40dB
G = +40dB
1.8V
≤
VC
≤
0.2V
VC < 1.8V, VC > 0.2V
1.8V
≤
VC
≤
0.2V
VC < 1.8V, VC > 0.2V
±
1.8
±
1.7
±
60
±
120
0.2
1.7
1.6
40
±
1.4
±
1.3
±
35
±
1.3
±
1.2
±
32
V
V
min
min
min
typ
typ
A
A
A
C
C
Output Current
Output Short-Circuit Current
Output Impedance
mA
mA
GAIN CONTROL (VC, Pin 3)
Specified Gain Range
Maximum Control Voltage
Minimum Control Voltage
Gain Accuracy
±
40
0
2
±
0.4
±
0.5
dB
V
V
dB
dB
typ
typ
typ
max
max
max
max
typ
max
max
min
C
C
C
A
A
B
B
C
A
A
B
1.5
2.2
±
2.5
±
3.7
±
0.02
±
0.03
±
3.5
±
4.7
±
0.03
±
0.04
Gain Drift
dB/
°
C
dB/
°
C
dB/V
dB
dB
MHz
Gain Control Slope
Gain Control Linearity(6)
40
±
0.3
±
0.7
25
1.8V
≤
VC
≤
0V
VC < 1.8V
1
±
1.1
±
2.5
19
±
1.2
±
3.2
19
1.6
20
Gain Control Bandwidth
(1)Junction temperature = ambient for +25
°
C specifications.
(2)Junction temperature = ambient at low temperature limit; junction temperature = ambient +30
°
C at high temperature limit for over temperature specifications.
(3)Test levels: (A) 100% tested at +25
°
C. Over temperature limits by characterization and simulation. (B) Limits set by characterization and simulation.
(C) Typical value only for information.
(4)Total output offset is:
Output Offset Voltage
±
Input Offset Voltage
x Gain.
(5)Maximum input at minimum gain for < 1dB gain compression.
(6)Maximum deviation from best line fit.
(7)Magnitude.
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