AD8349(REV0) View Datasheet(PDF) - Analog Devices
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Description
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AD8349 Datasheet PDF : 28 Pages
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AD8349
SPECIFICATIONS
Table 1. VS = 5 V; Ambient Temperature (TA) = 25°C; LO = –6 dBm; I/Q inputs = 1.2 V p-p differential sine waves in quadrature on
a 400 mV dc bias; baseband frequency = 1 MHz; LO source and RF output load impedances are 50 Ω, unless otherwise noted.
Parameter
Conditions
Min Typ Max Unit
Operating Frequency
700
2700 MHz
LO = 900 MHz
Output Power
1.5 4
6
dBm
Output P1 dB
Carrier Feedthrough
Sideband Suppression
Third Harmonic1
Output IP3
Quadrature Error
I/Q Amplitude Balance
Noise Floor
POUT – (FLO + (3 × FBB)), POUT = 4 dBm
F1BB = 3 MHz, F2BB = 4 MHz, POUT = -4.2 dBm
20 MHz offset from LO, all BB inputs at a bias of 400 mV
7.6
dBm
–45 –30 dBm
–35 –31 dBc
–39 –36 dBc
21
dBm
1.9
degree
0.1
dB
–155
dBm/Hz
20 MHz offset from LO, BB inputs = 1.2 V p-p differential on 400 mV dc
–150
dBm/Hz
GSM Sideband Noise
LO = 1900 MHz
LO = 884.8 MHz, 6 MHz offset from LO, POUT = 2 dBm
–152
dBc/Hz
Output Power
Output P1dB
Carrier Feedthrough
Sideband Suppression
Third Harmonic 1
Output IP3
Quadrature Error
I/Q Amplitude Balance
Noise Floor
GSM Sideband Noise
LO = 2140 MHz
Output Power
Output P1dB
0
POUT – (FLO + (3 × FBB)), POUT = 3.8 dBm
F1BB = 3 MHz, F2BB = 4 MHz, POUT = –4.5 dBm
20 MHz offset from LO, all BB inputs at a bias of 400 mV
20 MHz offset from LO, BB inputs = 1.2 V p-p differential on 400 mV dc
LO = 1960 MHz, 6 MHz offset from LO, POUT = 2 dBm
3.8 6
dBm
6.8
dBm
–38
dBm
–40 –36 dBc
–37 –36 dBc
22
dBm
0.7
degree
0.1
dB
–156
dBm/Hz
–150
dBm/Hz
–151
dBc/Hz
–2 +2.4 +5.1 dBm
5.6
dBm
Carrier Feedthrough
–42 –30 dBm
Sideband Suppression
Third Harmonic 1
Output IP3
Quadrature Error
I/Q Amplitude Balance
Noise Floor
POUT – (FLO + (3 × FBB)), POUT = 2.4 dBm
F1BB = 3 MHz, F2BB = 4 MHz, POUT = –6.5 dBm
20 MHz offset from LO, all BB inputs at a bias of 400 mV
20 MHz offset from LO, BB inputs = 1.2 V p-p differential on 400 mV dc
–43 –36 dBc
–37 –36 dBc
19
dBm
0.3
degree
0.1
dB
–156
dBm/Hz
–151
dBm/Hz
WCDMA Noise Floor
LO INPUTS
LO = 2140 MHz. 30 MHz offset from LO, PCHAN = –17.3 dBm
Pins LOIP and LOIN
–156
dBm/Hz
LO Drive Level
Characterization performed at typical level
–10 –6
0
dBm
Nominal Impedance
Input Return Loss
Drive via 1:1 balun, LO = 2140 MHz
50
Ω
–8.6
dB
BASEBAND INPUTS
Pins IBBP, IBBN, QBBP, QBBN
I and Q Input Bias Level
400
mV
Input Bias Current
11
µA
Input Offset Current
1.8
µA
Bandwidth (0.1 dB)
LO = 1500 MHz, baseband input = 600 mV p-p sine wave on 400 mV dc
10
MHz
LO = 1500 MHz, baseband input = 60 mV p-p sine wave on 400 mV dc
24
MHz
Bandwidth (3 dB)
LO = 1500 MHz, baseband input = 600 mV p-p sine wave on 400 mV dc
160
MHz
LO = 1500 MHz, baseband input = 60 mV p-p sine wave on 400 mV dc
340
MHz
Rev. 0 | Page 3 of 28
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