AD8332 Datasheet, PDF (3/28 Pages) Analog Devices – Dual VGA with Ultralow Noise Preamplifier and Programmable RIN

AD8332
AD8332—SPECIFICATIONS
T_A = 25°C, V_S = 5 V, R_L = 500 Ω, R_S = R_IN = 50 Ω, R_FB = 280 Ω, C_SH = 22 pF, f = 10 MHz, R_CLMP = ∞, C_L = 1 pF,
V_CM = 2.5 V, –4.5 dB to +43.5 dB gain (HILO = LO) and differential output voltage, unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Single-Ended Input to Differential Output
19
Gain
Input to Output (Single-Ended)
13
Input Voltage Range
AC-Coupled
±275
RFB = 280 Ω
50
RFB = 412 Ω
75
Input Resistance
RFB = 562 Ω
100
RFB = 1.13 kΩ
200
RFB = ∞
6
Input Capacitance
13
Output Impedance
Single-Ended, Either Output
5
LNA
CHARACTERISTICS ^{–3 dB Small Signal Bandwidth}
VOUT = 0.2 V p-p
130
Slew Rate
650
Input Voltage Noise
Input Current Noise
Noise Figure
RS = 0 Ω, HI or LO Gain, RFB = ∞, f = 5 MHz
0.74
RFB = ∞, HI or LO Gain, f = 5 MHz
2.5
f = 10 MHz, LOP Output
Active Termination Match
RS = RIN = 50 Ω
3.7
Unterminated
RS = 50 Ω, RFB = ∞
2.5
Harmonic Distortion @ LOP1 or LOP2
HD2
VOUT = 0.5 V p-p, Single-Ended, f = 10 MHz
–56
HD3
–70
Output Short-Circuit Current
Pins LON, LOP
165
LNA + VGA
–3 dB Small Signal Bandwidth
CHARACTERISTICS _{–3 dB Large Signal Bandwidth}
Slew Rate
VOUT = 0.2 V p-p
VOUT = 2 V p-p
LO Gain
HI Gain
120
110
300
1200
Input Voltage Noise
RS = 0 Ω, HI or LO Gain, RFB = ∞, f = 5 MHz
0.82
Noise Figure
VGAIN = 1.0 V
Active Termination Match
RS = RIN = 50 Ω, f = 10 MHz, Measured
4.15
RS = RIN = 200 Ω, f = 5 MHz, Simulated
2.0
Unterminated
RS = 50 Ω, RFB = ∞, f = 10 MHz, Measured
2.5
RS = 200 Ω, RFB = ∞, f = 5 MHz, Simulated
1.0
Output-Referred Noise
VGAIN = 0.5 V, LO Gain
48
VGAIN = 0.5 V, HI Gain
178
Output Impedance, Postamplifier
DC to 1 MHz
1
Output Signal Range, Postamplifier
Differential
RL ≥ 500 Ω, Unclamped, Either Pin
VCM ± 1.125
4.5
Output Offset Voltage
Differential
Common-Mode
VCM = 2.5 V
–50
±5
+50
–125
–25
+75
Output Short-Circuit Current
45
Harmonic Distortion
VGAIN = 0.5 V, VOUT = 1 V p-p
HD2
–88
f = 1 MHz
HD3
–85
HD2
–68
f = 10 MHz
HD3
–65
Unit
dB
dB
mV
Ω
Ω
Ω
Ω
kΩ
pF
Ω
MHz
V/µs
nV/√Hz
pA/√Hz
dB
dB
dBc
dBc
mA
MHz
MHz
V/µs
V/µs
nV/√Hz
dB
dB
dB
dB
nV/√Hz
nV/√Hz
Ω
V
V p-p
mV
mV
mA
dBc
dBc
dBc
dBc
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