AD605
Rev. F | Page 3 of 24
SPECIFICATIONS
Each channel @ T
A
= 25°C, V
S
= 5 V, R
S
= 50 Ω, R
L
= 500 Ω, C
L
= 5 pF, V
REF
= 2.5 V (scaling = 20 dB/V), −14 dB to +34 dB gain range,
unless otherwise noted.
Table 1.
AD605A AD605B
Parameter Conditions Min Typ Max Min Typ Max Unit
INPUT CHARACTERISTICS
Input Resistance 175 ± 40 175 ± 40 Ω
Input Capacitance 3.0 3.0 pF
Peak Input Voltage At minimum gain 2.5 ± 2.5 2.5 ± 2.5 V
Input Voltage Noise VGN = 2.9 V 1.8 1.8 nV/√Hz
Input Current Noise VGN = 2.9 V 2.7 2.7 pA/√Hz
Noise Figure R
S
= 50 Ω, f = 10 MHz, VGN = 2.9 V 8.4 8.4 dB
R
S
= 200 Ω, f = 10 MHz, VGN = 2.9 V 12 12 dB
Common-Mode Rejection Ratio f = 1 MHz, VGN = 2.65 V −20 −20 dB
OUTPUT CHARACTERISTICS
−3 dB Bandwidth Constant with gain 40 40 MHz
Slew Rate VGN = 1.5 V, output = 1 V step 170 170 V/s
Output Signal Range R
L
≥ 500 Ω 2.5 ± 1.5 2.5 ± 1.5 V
Output Impedance f = 10 MHz 2 2 Ω
Output Short-Circuit Current ±40 ±40 mA
Harmonic Distortion VGN = 1 V, V
OUT
= 1 V p-p
HD2 f = 1 MHz −64 −64 dBc
HD3 f = 1 MHz −68 −68 dBc
HD2 f = 10 MHz −51 −51 dBc
HD3 f = 10 MHz −53 −53 dBc
Two-Tone Intermodulation
Distortion (IMD)
R
S
= 0 Ω, VGN = 2.9 V, V
OUT
= 1 V p-p
f = 1 MHz −72 −72 dBc
f = 10 MHz −60 −60 dBc
1 dB Compression Point f = 10 MHz, VGN = 2.9 V, output referred 15 15 dBm
Third-Order Intercept
f = 10 MHz, VGN = 2.9 V,
V
OUT
= 1 V p-p, input referred
−1 −1 dBm
Channel-to-Channel Crosstalk
Ch1: VGN = 2.65 V, inputs shorted,
Ch2: VGN = 1.5 V (mid gain),
f = 1 MHz, V
OUT
= 1 V p-p
−70 −70 dB
Group Delay Variation 1 MHz < f < 10 MHz, full gain range ±2.0 ±2.0 ns
VOCM Input Resistance 45 45 kΩ
ACCURACY
Absolute Gain Error
−14 dB to −11 dB 0.25 V < VGN < 0.40 V −1.2 +1.0 +3.0 –1.2 +0.75 +3.0 dB
−11 dB to +29 dB 0.40 V < VGN < 2.40 V −1.0 ±0.3 +1.0 –1.0 ±0.2 +1.0 dB
+29 dB to +34 dB 2.40 V < VGN < 2.65 V −3.5 −1.25 +1.2 –3.5 −1.25 +1.2 dB
Gain Scaling Error 0.4 V < VGN < 2.4 V ±0.25 ±0.25 dB/V
Output Offset Voltage V
REF
= 2.500 V, VOCM = 2.500 V −30 ±20 +30 –30 ±20 +30 mV
Output Offset Variation V
REF
= 2.500 V, VOCM = 2.500 V 30 57 30 50 mV
