Datasheet
AD8264
Rev. A | Page 4 of 40
Parameter Conditions Min Typ Max Unit
Two-Tone Intermodulation Distortion (IMD3) VGAx = 1 V p-p, f
1
= 10 MHz, f
2
= 11 MHz −68 dBc
VGAx = 1 V p-p, f
1
= 35 MHz, f
2
= 36 MHz −51 dBc
V
OUT
= 2 V p-p, f
1
= 10 MHz, f
2
= 11 MHz
−49 dBc
V
OUT
= 2 V p-p, f
1
= 35 MHz, f
2
= 36 MHz −34 dBc
Output Third-Order Intercept VGAx = 1 V p-p, f = 10 MHz 32 dBm
19 dBV
RMS
VGAx = 1 V p-p, f = 35 MHz 23 dBm
10 dBV
RMS
V
OUT
= 2 V p-p, f = 10 MHz 30 dBm
17 dBV
RMS
V
OUT
= 2 V p-p, f = 35 MHz 21 dBm
8 dBV
RMS
Overload Recovery V
GAIN
= 0.7 V, V
IN
stepped from
0.1 V p-p to 1 V p-p
25
ns
Group Delay Variation 1 MHz < f < 100 MHz, full gain range ±1 ns
ACCURACY
Absolute Gain Error
3
−0.7 V < V
GAIN
< −0.6 V 0 0.2 to 2 3 dB
−0.6 V < V
GAIN
< −0.5 V −1.25 ±0.35 +1.25 dB
−0.5 V < V
GAIN
< +0.5 V −1 ±0.25 +1 dB
0.5 V < V
GAIN
< 0.6 V −1.25 ±0.35 +1.25 dB
0.6 V < V
GAIN
< 0.7 V −3 −0.2 to −2 0 dB
Gain Law Conformance
4
−0.5 V < V
GAIN
< +0.5 V, ±2.5 V ≤ V
S
≤ ±5 V
±0.2
dB
−0.5 V < V
GAIN
< +0.5 V, −40°C ≤ T
A
≤ +105°C ±0.3 dB
Channel-to-Channel Matching Single IC, −0.5 V < V
GAIN
< +0.5 V,
−40°C ≤ T
A
≤ +105°C
−0.5 ±0.1 to ±0.25 +0.5
dB
Multiple ICs, −0.5 V < V
GAIN
< +0.5 V,
−40°C ≤ T
A
≤ +105°C
±0.25
dB
GAIN CONTROL INTERFACE
Gain Scaling Factor −0.5 V < V
GAIN
< +0.5 V 19.5 20.0 20.5 dB/V
Over Temperature −40°C ≤ T
A
≤ +105°C 20 ± 0.5 dB/V
Gain Range 24 dB
Gain Intercept to VGAx 11.5 11.9 12.2 dB
Over Temperature −40°C ≤ T
A
≤ +105°C 11.9 ± 0.4 dB
Gain Intercept to Differential Output 17.5 17.9 18.2 dB
Over Temperature −40°C ≤ T
A
≤ +105°C 17.9 ± 0.4 dB
GNHx Input Voltage Range GNLO = 0 V, no gain foldover −V
S
+V
S
V
Input Resistance ΔV
IN
/ΔI
BIAS
, −0.7 V < V
GAIN
< +0.7 V 70 MΩ
GNHx Input Bias Current −0.7 V < V
GAIN
< 0.7 V −0.9 −0.4 0 µA
Over Temperature −0.7 V < V
GAIN
< 0.7 V, −40°C ≤ T
A
≤ +105°C −0.4 ± +0.2 µA
GNLO Input Bias Current −0.7 V < V
GAIN
< 0.7 V −1.2 µA
Over Temperature −0.7 V < V
GAIN
< 0.7 V, −40°C ≤ T
A
≤ +105°C −1.2 ± +0.4 µA
Response Time 24 dB gain change 200 ns
OUTPUT BUFFER
VOCM Input Bias Current 0.3 1.5 2.5 nA
Over Temperature −40°C ≤ T
A
≤ +105°C 1.5 ± 0.3 nA
VOCM Input Voltage Range OFSx = 0 V, VGAx = 0 V −1.4 +1.4 V
Gain (VGAx to Differential Output) 5.75 6 6.25 dB
Over Temperature −40°C ≤ T
A
≤ +105°C 6 ± 0.5 dB