Datasheet

AD8264
Rev. A | Page 3 of 40
SPECIFICATIONS
V
S
= ±2.5 V, T
A
= 25°C, f = 10 MHz, C
L
= 5 pF, R
L
= 500 Ω per output (VGAx, VOHx, VOLx), V
GAIN
= (V
GNHx
− V
GNLO
) = 0 V,
V
VOCM
= GND, V
OFSx
= GND, gain range = 6 dB to 30 dB, unless otherwise specified.
Table 1.
Parameter Conditions Min Typ Max Unit
GENERAL PERFORMANCE
–3 dB Small Signal Bandwidth (VGAx) V
OUT
= 10 mV p-p 235 MHz
–3 dB Large Signal Bandwidth (VGAx) V
OUT
= 1 V p-p 150 MHz
–3 dB Small Signal Bandwidth (Differential Output)
1
V
OUT
= 100 mV p-p 80 MHz
–3 dB Large Signal Bandwidth (Differential Output)
1
V
OUT
= 2 V p-p 80 MHz
Slew Rate VGAx, V
OUT
= 2 V p-p 380 V/µs
VGAx, V
OUT
= 1 V p-p 290 V/µs
Differential output, V
OUT
= 2 V p-p 470 V/µs
Differential output, V
OUT
= 1 V p-p 220 V/µs
Input Bias Current Pins IPPx −8 −5 −3 µA
Input Resistance Pins IPPx at dc; ΔV
IN
/ΔI
BIAS
4.2 MΩ
Input Capacitance Pins IPPx 2 pF
Input Impedance Pins IPPx at 10 MHz 7.9 kΩ
Input Voltage Noise 2.3 nV/√Hz
Input Current Noise 2 pA/√Hz
Noise Figure (Differential Output) V
GAIN
= 0.7 V, R
S
= 50 Ω, unterminated 9 dB
Output-Referred Noise (Differential Output) V
GAIN
= 0.7 V (Gain = 30 dB) 72 nV/√Hz
V
GAIN
= −0.7 V (Gain = 6 dB) 45 nV/√Hz
Output Impedance VGAx, dc to 10 MHz 3.5 Ω
Differential output, dc to 10 MHz <1 Ω
Output Signal Range Preamp |V
S
| − 1.3 V
VGAx, R
L
≥ 500 Ω |V
S
| − 1.3 V
Differential amplifier, R
L
≥ 500 Ω per side |V
S
| − 0.5 V
Output Offset Voltage Preamp offset −6 |<1| +6 mV
VGAx offset, V
GAIN
= 0.7 V −18 |<5| +18 mV
Differential output offset, V
GAIN
= 0.7 V −38 |<10| +38 mV
DYNAMIC PERFORMANCE
Harmonic Distortion VGAx = 1 V p-p, differential
output = 2 V p-p (measured at VGAx)
HD2 f = 1 MHz −73 dBc
HD3 −68 dBc
HD2 f = 10 MHz −71 dBc
HD3 −61 dBc
HD2 f = 35 MHz −60 dBc
HD3 −53 dBc
VGAx = 1 V p-p, differential output = 2 V p-p
(measured at differential output)
HD2 f = 1 MHz −78 dBc
HD3 −66 dBc
HD2 f = 10 MHz −71 dBc
HD3 −43 dBc
HD2 f = 35 MHz −56 dBc
HD3 −20 dBc
Input 1 dB Compression Point V
GAIN
= −0.7 V, f = 10 MHz 7 dBm
2
V
GAIN
= +0.7 V, f = 10 MHz −9.6 dBm