AD8348 Analog Devices, AD8348 Datasheet - Page 4

• Manufacturer Part Number: AD8348
• Description: 50-1000 MHz Quadrature Demodulator
• Manufacturer: Analog Devices

Specifications subject to change without notice.
Parameter
IF FRONT-END WITHOUT VGA
BASEBAND AMPLIFIER
AD8348
Zin
Conversion Gain
Conversion Gain 3 dB Bandwidth
IF Gain Flatness
2nd Order Input Intercept(IIP2)
3rd Order Input Intercept(IIP3)
1dB Input compression point
Noise Figure
Input LO Leakage
Output LO Leakage
Demodulation Bandwidth
Quadrature Phase Error
I/Q Amplitude Imbalance
Capacitive load
Resistive load
Peak output current
Gain
Output Swing
Input referred Noise Voltage
Bandwidth
Output DC differential offset
Output Common-mode offset
Group Delay Flatness
3rd Order Intermod. Distortion
Capacitive load drive capability
Resistive load
Peak output current
PRELIMINARY TECHNICAL DATA
Condition
from MXIP,MXIN to IMXO/QMXO
ENVG=0V
Measured differentially across MXIP/ MXIN
FIF=50MHz-1GHz
IF1=455MHz, IF2=456MHz
-32 dBm each tone from 200 Ω source
IF1=455MHz, IF2=456MHz
-32 dBm each tone from 200 Ω source
VGIN=0.2V (max gain)
VGIN=0.2V (max gain) From 200 Ω source
Double sideband measurement
Measured at MXIP/MXIN
Measured at IMXO/QMXO
Full-power bandwidth (IIP3 drops 3dB)
Small-signal 3dB bandwidth, 10pF load
LO=1GHz
(LOIP/LOIN 2GHz, single- ended input)
shunt from IMXO,QMXO to VCMO
shunt from IMXO,QMXO to VCMO
from IAIN to IOPP/IOPN &
QAIN to QOPP/QOPN
10pF differential load
Corrected using 500pF capacitor on
IOFS,QOFS
0.1-30MHz
Fin1=5MHz Fin2=6MHz
Vin1=Vin2=50mVp-p
Differential across IOPP/IOPN,
QOPP/QOPN
Differential across IOPP/IOPN,
QOPP/QOPN
differential
- 4 -
Min
150 ||0.5pF 200 || 0.5pF 240 ||0.5pF ||Pf
2k
0
Typ
+/-30
+/-15
TBD
TBD
TBD
TBD
TBD
-120
200
-23
-71
0.6
0.3
2.5
0.3
12
10
60
20
60
10
2
8
1
Max
TBD
10
Units
dB
MHz
dB p-p
dBm
dBm
dBm
dB
dBm
mVp-p
MHz
MHz
deg RMS
pF
dB
Vpp diff
nV/rtHz
MHz
mV
mV
ns pp
dBc
pF
dB
mA
ohm
mA
Rev. PrF
2/11/03