VCA810 Datasheet, PDF (3/25 Pages) Burr-Brown (TI) – High Gain Adjust Range, Wideband, Voltage-Controlled Amplifier

VCA810
www.ti.com
SBOS275C − JUNE 2003 − REVISED OCTOBER 2004
ELECTRICAL CHARACTERISTICS: V_S = +5V
Boldface limits are tested at +255C.
RL = 500Ω, and VIN = single-ended input on V+ with V− at ground, unless otherwise noted.
VCA810ID
PARAMETER
CONDITIONS
TYP
+25°C
MIN/MAX OVER TEMPERATURE
+0°C to −40°C to
MIN/
+25°C⁽¹⁾ +70°C⁽²⁾ +85°C⁽²⁾ UNITS MAX
TEST
LEVELS⁽³⁾
AC PERFORMANCE (see Figure 1)
Small-Signal Bandwidth
−2V ≤ VC ≤ 0
35
30
29
29
MHz min
B
Large-Signal Bandwidth
VO = 2VPP, −2 ≤ VC ≤ −1
35
30
29
29
MHz min
B
Frequency Response Peaking
VO < 500mVPP, −2 ≤ VC ≤ 0
0.1
0.5
0.5
0.5
dB
min
B
Slew Rate
VO = 3.5V Step, −2 ≤ VC ≤ −1, 10%−90% 350
300
300
295
V/µs min
B
Settling Time to 0.1%
VO = 1V Step, −2 ≤ VC ≤ −1
30
40
41
41
ns
min
B
Rise-and-Fall Time
VO = 1V Step, −2 ≤ VC ≤ −1
10
12
12.1
12.1
ns
min
B
Group Delay
G=0dB, VC=−1V, f = 5MHz, VO =500mVPP 6.2
ns
typ
C
Group Delay Variation
VO < 500mVPP, −2 ≤ VC ≤ 0, f = 5MHz 3.5
ns
typ
C
Harmonic Distortion
2nd-Harmonic
3rd-Harmonic
Input Voltage Noise
Input Current Noise
Fully Attenuated Feedthrough
Overdrive Recovery
DC PERFORMANCE
Output Offset Voltage(4)
VO = 1VPP, f = 1MHz, VC = −1V, G = 0dB −71
−51
−50
−49
dBc min
B
VO = 1VPP, f = 1MHz,VC = −1V, G = 0dB −35
−34
−32
−29
dBc min
B
VC = −2V
2.4
2.8
3.4
3.5
nV/√Hz max
B
−2V ≤ VC ≤ 0V
1.4
1.8
2.0
2.1
pA/√Hz max
B
f ≤ 1MHz, VC > +200mV
−80
−70
dB max
B
VIN = 2V to 0V, VC = −2V, G = 40dB
100
150
ns
min
B
Single-Ended or Differential Input
(both inputs grounded)
Output Offset Voltage Drift
Input Offset Voltage(4)
−2V ≤ VC ≤ 0V
Both Inputs Grounded
±4
+22
±30
±32
mV max
A
±125
±125
V/°C max
B
±0.1
+0.25
±0.30
±0.35
mV max
A
Input Offset Voltage Drift
±1
±1.2
µV/°C max
B
Input Bias Current
Input Bias Current Drift
−2V ≤ VC ≤ 0V
−6
−10
−12
−14
µA max
A
±25
±30
nA/°C max
B
Input Offset Current
Input Offset Current Drift
−2V ≤ VC ≤ 0V
±100
+600
±700
±800
nA max
A
±1.4
±2.2
nA/°C max
B
INPUT
Common-Mode Input Range
±2.4
+2.3
±2.3
±2.2
V
min
A
Common-Mode Rejection Ratio
VCM = 0.5V, VC = −2V, Input Referred
95
85
83
80
dB
min
A
Input Impedance
VCM = 0V, Single-Ended
1 || 1
MΩ||pF typ
C
Differential Input Range(5)
VCM = 0V, Differential
VC = 0V, VCM = 0V
>10||<2
3
kΩ||pF typ
C
VPP typ
C
OUTPUT
Voltage Output Swing
Output Current
Output Short-Circuit Current
Output Impedance
VC = −2V, RL ≥ 500Ω
VC = −2V, RL = 100Ω
VO = 0V
VO = 0V
VO = 0V, f < 100kHz
±1.8
+1.7
±1.4
±1.3
V
min
A
±1.7
+1.6
±1.3
±1.2
V
min
A
±60
+40
±35
±32
mA min
A
±120
mA
typ
C
0.2
Ω
typ
C
GAIN CONTROL (VC, Pin 3)
Specified Gain Range
Maximum Control Voltage
Single-Ended or Differential Input
∆VC/∆dB = 25mV/dB
±40
G = −40dB
0
dB
typ
C
V
typ
C
Minimum Control Voltage
G = +40dB
−2
V
typ
C
Gain Accuracy
Gain Drift
Gain Control Slope
Gain Control Linearity(6)
Gain Control Bandwidth
−1.8V ≤ VC ≤ −0.2V
VC < −1.8V, VC > −0.2V
−1.8V ≤ VC ≤ −0.2V
VC < −1.8V, VC > −0.2V
−1.8V ≤ VC ≤ 0V
VC < −1.8V
±0.4
+1.5
±2.5
±3.5
dB max
A
±0.5
+2.2
±3.7
±4.7
dB max
A
±0.02
±0.03 dB/°C max
B
±0.03
±0.04 dB/°C max
B
−40
dB/V typ
C
±0.3
+1
±1.1
±1.2
dB max
A
±0.7
+1.6
±2.5
±3.2
dB max
A
25
20
19
19
MHz min
B
(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.
3