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Analog Devices AD604 User Manual Page 3

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AD604
Rev. E | Page 3 of 32
SPECIFICATIONS
Each amplifier channel at T
A
= 25°C, V
S
= ±5 V, R
S
= 50 Ω, R
L
= 500 Ω, C
L
= 5 pF, V
REF
= 2.50 V (scaling = 20 dB/V), 0 dB to 48 dB gain
range (preamplifier gain = 14 dB), VOCM = 2.5 V, C1 and C2 = 0.1 µF (see Figure 37), unless otherwise noted.
Table 1.
Parameter Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Preamplifier
Input Resistance 300 kΩ
Input Capacitance 8.5 pF
Input Bias Current −27 mA
Peak Input Voltage Preamplifier gain = 14 dB ±400 mV
Preamplifier gain = 20 dB ±200 mV
Input Voltage Noise VGN = 2.9 V, R
S
= 0 Ω
Preamplifier gain = 14 dB 0.8 nV/√Hz
Preamplifier gain = 20 dB 0.73 nV/√Hz
Input Current Noise Independent of gain 3.0 pA/√Hz
Noise Figure R
S
= 50 Ω, f = 10 MHz, VGN = 2.9 V 2.3 dB
R
S
= 200 Ω, f = 10 MHz, VGN = 2.9 V 1.1 dB
DSX
Input Resistance 175 Ω
Input Capacitance 3.0 pF
Peak Input Voltage 2.5 ± 2 V
Input Voltage Noise VGN = 2.9 V 1.8 nV/√Hz
Input Current Noise VGN = 2.9 V 2.7 pA/√Hz
Noise Figure R
S
= 50 Ω, f = 10 MHz, VGN = 2.9 V 8.4 dB
R
S
= 200 Ω, f = 10 MHz, VGN = 2.9 V 12 dB
Common-Mode Rejection Ratio f = 1 MHz, VGN = 2.65 V −20 dB
OUTPUT CHARACTERISTICS
−3 dB Bandwidth Constant with gain 40 MHz
Slew Rate VGN = 1.5 V, output = 1 V step 170 V/µs
Output Signal Range R
L
≥ 500 Ω 2.5 ± 1.5 V
Output Impedance f = 10 MHz 2 Ω
Output Short-Circuit Current ±40 mA
Harmonic Distortion VGN = 1 V, V
OUT
= 1 V p-p
HD2 f = 1 MHz −54 dBc
HD3 f = 1 MHz −67 dBc
HD2 f = 10 MHz −43 dBc
HD3 f = 10 MHz −48 dBc
Two-Tone Intermodulation Distortion (IMD) VGN = 2.9 V, V
OUT
= 1 V p-p
f = 1 MHz −74 dBc
f = 10 MHz −71 dBc
Third-Order Intercept
f = 10 MHz, VGN = 2.65 V, V
OUT
= 1 V p-p,
input referred
−12.5 dBm
1 dB Compression Point f = 1 MHz, VGN = 2.9 V, output referred 15 dBm
Channel-to-Channel Crosstalk
V
OUT
= 1 V p-p, f = 1 MHz,
Channel 1: VGN = 2.65 V, inputs shorted,
Channel 2: VGN = 1.5 V (mid gain)
−30 dB
Group Delay Variation 1 MHz < f < 10 MHz, full gain range ±2 ns
VOCM Input Resistance 45 kΩ
www.BDTIC.com/ADI
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