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AD8335 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD8335
Description  Quad Low Noise, Low Cost Variable Gain Amplifier
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD8335 Datasheet(HTML) 3 Page - Analog Devices

 
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AD8335
Rev. 0 | Page 3 of 24
SPECIFICATIONS
VS = 5 V, TA = 25°C, RL = 500 Ω, f = 5 MHz, CL = 10 pF, LO gain range (−10 dB to +38 dB), RFB = 249 Ω (PrA RIN = 50 Ω) and signal
voltage specified differential, per channel performance, dBm (50 Ω), unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
PrA CHARACTERISTICS
Gain
Single-ended input to differential output
18
dB
Single-ended input to single-ended output
12
dB
Input Voltage Range
PrA output limited to 5 V p-p differential
625
mV p-p
Input Resistance
RFB = 249 Ω
50
RFB = 374 Ω
75
RFB = 499 Ω
100
RFB = ∞, low frequency value into PIPx
14.7
kΩ
Input Capacitance
PIPx (Pins 2, 15, 18, 63)
1.5
pF
−3 dB Small Signal Bandwidth
With RFB = 249 Ω
110
MHz
Input Voltage Noise
RS = 0 Ω, RFB = ∞
1.15
nV/√Hz
Input Current Noise
2.4
pA/√Hz
Noise Figure
Active Termination Match
RS = RIN = 50 Ω, RFB = 249 Ω
7
dB
Unterminated
RS = 50 Ω, RFB = ∞
4.4
dB
PrA + VGA CHARACTERISTICS
−3 dB Small Signal Bandwidth
Unterminated: RS = 50 Ω, RFB = ∞
70
MHz
Matched: RS = RIN = 50 Ω
85
MHz
Slew Rate
LO gain, VGN = 3 V, VOUT = 2 V p-p
250
V/µs
HI gain, VGN = 3 V, VOUT = 2 V p-p
350
V/µs
Input Voltage Noise
Pins VGNx = 3 V, RS = 0 Ω, RFB = ∞
1.3
nV/√Hz
Noise Figure
Pins VGNx = 3 V, f = 1 MHz to 10 MHz
Active Termination Match
RS = RIN = 50 Ω
7
dB
RS = RIN = 100 Ω
4.5
dB
Unterminated
RS = 50 Ω, RFB = ∞
5.0
dB
RS = 500 Ω, RFB = ∞
1.3
dB
Output Referred Noise
LO gain; VGN < 2 V
33
nV/√Hz
HI gain; VGN < 2 V
80
nV/√Hz
Peak Output Voltage
Differential, RL ≥ 500 Ω
5
V p-p
Output Resistance
f < 1 MHz, Pins VOHx, VOLx
1.2
Common-Mode Level
Set to midsupply for PrA and VGA
VS/2
V
Output Offset Voltage
Differential (VOHx−VOLx) full gain range
−25
5
35
mV
Common-mode (VOHx−VCMx, VOLx−VCMx)
−20
0
20
mV
Harmonic Distortion
VOUT = 1 V p-p, LO gain, VGN = 2 V
HD2
f = 1 MHz
−69
dBc
HD3
f = 1 MHz
−57
dBc
HD2
f = 10 MHz
−57
dBc
HD3
f = 10 MHz
−55
dBc
Harmonic Distortion
VOUT = 1 V p-p, HI gain, VGN = 2 V
HD2
f = 1 MHz
−58
dBc
HD3
f = 1 MHz
−70
dBc
HD2
f = 10 MHz
−55
dBc
HD3
f = 10 MHz
−55
dBc
Output 1 dB Compression (OP1dB)
VGN = 3 V
18
dBm
VGN = 3 V
8
dBVpk


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