Datasheet

AD8331/AD8332/AD8334
Rev. G | Page 5 of 56
Parameter Test Conditions/Comments Min Typ Max Unit
1
Output Signal Range, Postamplifier R
L
≥ 500 Ω, unclamped, either pin V
CM
± 1.125 V
Differential 4.5 V p-p
Output Offset Voltage
AD8331 Differential, V
GAIN
= 0.5 V −50 ±5 +50 mV
Common mode −125 −25 +100 mV
AD8332, AD8334 Differential, 0.05 V ≤ V
GAIN
≤ 1.0 V −20 ±5 +20 mV
Common mode −125 –25 +100 mV
Output Short-Circuit Current 45 mA
Harmonic Distortion V
GAIN
= 0.5 V, V
OUT
= 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 V
GAIN
= 0.25 V, V
OUT
= 1 V p-p, f = 1 MHz to 10 MHz 1 dBm
Two-Tone Intermodulation Distortion (IMD3)
AD8331 V
GAIN
= 0.72 V, V
OUT
= 1 V p-p, f = 1 MHz −80 dBc
V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 10 MHz −72 dBc
AD8332, AD8334 V
GAIN
= 0.72 V, V
OUT
= 1 V p-p, f = 1 MHz −78 dBc
V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 10 MHz −74 dBc
Output Third-Order Intercept
AD8331 V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 1 MHz 38 dBm
V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 10 MHz 33 dBm
AD8332, AD8334 V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 1 MHz 35 dBm
V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 10 MHz 32 dBm
Channel-to-Channel Crosstalk (AD8332, AD8334) V
GAIN
= 0.5 V, V
OUT
= 1 V p-p, f = 1 MHz −98 dB
Overload Recovery V
GAIN
= 1.0 V, V
IN
= 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
Absolute Gain Error
2
0.05 V < V
GAIN
< 0.10 V −1 +0.5 +2 dB
0.10 V < V
GAIN
< 0.95 V −1 ±0.3 +1 dB
0.95 V < V
GAIN
< 1.0 V −2 −1 +1 dB
Gain Law Conformance
3
0.1 V < V
GAIN
< 0.95 V ±0.2 dB
Channel-to-Channel Gain Matching 0.1 V < V
GAIN
< 0.95 V ±0.1 dB
GAIN CONTROL INTERFACE (Pin GAIN)
Gain Scaling Factor 0.10 V < V
GAIN
< 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 (V
GAIN
) Range 0 to 1.0 V
Input Impedance 10
Response Time 48 dB gain change to 90% full scale 500 ns
COMMON-MODE INTERFACE (PIN VCMx)
Input Resistance
4
Current limited to ±1 mA 30 Ω
Output CM Offset Voltage V
CM
= 2.5 V −125 −25 +100 mV
Voltage Range V
OUT
= 2.0 V p-p 1.5 to 3.5 V