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
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