AD8331/AD8332/AD8334
Rev. G | Page 5 of 56
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit1
Output Signal Range, Postamplifier
RL ≥ 500 Ω, unclamped, either pin
VCM ± 1.125
V
Differential
4.5
V p-p
Output Offset Voltage
AD8331
Differential, VGAIN = 0.5 V
50
±5
+50
mV
Common mode
125
25
+100
mV
AD8332, AD8334
Differential, 0.05 V ≤ VGAIN ≤ 1.0 V
20
±5
+20
mV
Common mode
125
–25
+100
mV
Output Short-Circuit Current
45
mA
Harmonic Distortion
VGAIN = 0.5 V, VOUT = 1 V p-p, HI gain
AD8331
HD2
f = 1 MHz
88
dBc
HD3
85
dBc
HD2
f = 10 MHz
68
dBc
HD3
65
dBc
AD8332, AD8334
HD2
f = 1 MHz
82
dBc
HD3
85
dBc
HD2
f = 10 MHz
62
dBc
HD3
66
dBc
Input 1 dB Compression Point
VGAIN = 0.25 V, VOUT = 1 V p-p, f = 1 MHz to 10 MHz
1
dBm
Two-Tone Intermodulation Distortion (IMD3)
AD8331
VGAIN = 0.72 V, VOUT = 1 V p-p, f = 1 MHz
80
dBc
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz
72
dBc
AD8332, AD8334
VGAIN = 0.72 V, VOUT = 1 V p-p, f = 1 MHz
78
dBc
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz
74
dBc
Output Third-Order Intercept
AD8331
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz
38
dBm
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz
33
dBm
AD8332, AD8334
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz
35
dBm
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz
32
dBm
Channel-to-Channel Crosstalk (AD8332, AD8334)
VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz
98
dB
Overload Recovery
VGAIN = 1.0 V, VIN = 50 mV p-p/1 V p-p, f = 10 MHz
5
ns
Group Delay Variation
5 MHz < f < 50 MHz, full gain range
±2
ns
ACCURACY
1
+0.5
+2
dB
0.10 V < VGAIN < 0.95 V
1
±0.3
+1
dB
0.95 V < VGAIN < 1.0 V
2
1
+1
dB
±0.2
dB
Channel-to-Channel Gain Matching
0.1 V < VGAIN < 0.95 V
±0.1
dB
GAIN CONTROL INTERFACE (Pin GAIN)
Gain Scaling Factor
0.10 V < VGAIN < 0.95 V
48.5
50
51.5
dB/V
Gain Range
LO gain
4.5 to +43.5
dB
HI gain
7.5 to 55.5
dB
Input Voltage (VGAIN) Range
0 to 1.0
V
Input Impedance
10
MΩ
Response Time
48 dB gain change to 90% full scale
500
ns
COMMON-MODE INTERFACE (PIN VCMx)
Current limited to ±1 mA
30
Ω
Output CM Offset Voltage
VCM = 2.5 V
125
25
+100
mV
Voltage Range
VOUT = 2.0 V p-p
1.5 to 3.5
V