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器件3D模型￥ 31.703
AD8339ACPZ 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
RF射频器件
封装:
LFCSP-40
描述:
ANALOG DEVICES AD8339ACPZ 芯片, 正交解调器
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AD8339ACPZ数据手册
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Data Sheet AD8339
Rev. B | Page 3 of 36
SPECIFICATIONS
V
S
= ±5 V, T
A
= 25°C, 4f
LO
= 20 MHz, f
RF
= 5.01 MHz, f
BB
= 10 kHz, P
LO
≥ 0 dBm, per channel performance, dBm (50 Ω), unless otherwise
noted. Single-channel AD8021 LPF values: R
FILT
= 787 Ω and C
FILT
= 2.2 nF (see Figure 53).
Table 1.
Parameter Test Conditions/Comments Min Typ Max Unit
OPERATING CONDITIONS
Local Oscillator (LO) Frequency
Range
4× internal LO at Pin 4LOP and Pin 4LON, square wave
drive via LVDS (see Figure 64)
0.01
200
MHz
RF Frequency Range Mixing DC 50 MHz
Baseband Bandwidth Limited by external filtering DC 50 MHz
LO Input Level 0 13 dBm
Supply Voltage (V
S
) ±4.5 ±5.0 ±5.5 V
Temperature Range −40 +85 °C
DEMODULATOR PERFORMANCE
Input Impedance
RF, differential
25||10
kΩ||pF
LO, differential 100||4 kΩ||pF
Transconductance
Demodulated I
OUT
/V
IN
; each Ix or Qx output after low-pass
filtering measured from RF inputs, all phases
1.15 mS
Dynamic Range IP1dB − input referred noise (dBm) 160 dB/Hz
Maximum Input Swing Differential; inputs biased at 2.5 V; Pin RFxP, Pin RFxN 2.8 V p-p
Peak Output Current (No Filtering)
0° phase shift
±2.4
mA
45° phase shift ±3.1 mA
Input P1dB
Ref = 50 Ω 14.8 dBm
Ref = 1 V rms 1.85 dBV
Third-Order Intermodulation (IM3) f
RF1
= 5.010 MHz, f
RF2
= 5.015 MHz, f
LO
= 5.023 MHz
Equal Input Levels
Baseband tones: 0 dBm @ 8 kHz and 13 kHz
−60
dBc
Unequal Input Levels Baseband tones: −1 dBm @ 8 kHz and −31 dBm @ 13 kHz −66 dBc
Third-Order Input Intercept (IIP3)
f
RF1
= 5.010 MHz, f
RF2
= 5.015 MHz, f
LO
= 5.023 MHz 31 dBm
LO Leakage Measured at RF inputs, worst phase, measured into 50 Ω −118 dBm
Measured at baseband outputs, worst phase, AD8021
disabled, measured into 50 Ω
−68 dBm
Conversion Gain
All codes, see Figure 42
−1.3
dB
Input Referred Noise Output noise/conversion gain (see Figure 47) 11.8 nV/√Hz
Output Current Noise Output noise/R
FILT
12.9 pA/√Hz
Noise Figure With AD8334 LNA
R
S
= 50 Ω, R
FB
= ∞ 8.4 dB
R
S
= 50 Ω, R
FB
= 1.1 kΩ 9.1 dB
R
S
= 50 Ω, R
FB
= 274 Ω 11.5 dB
Bias Current Pin 4LOP and Pin 4LON −3 μA
Pin RFxP and Pin RFxN −45 μA
LO Common-Mode Range Pin 4LOP and Pin 4LON (each pin) 0.2 3.8 V
RF Common-Mode Voltage
For maximum differential swing; Pin RFxP and Pin RFxN
(dc-coupled to AD8334 LNA output)
2.5 V
Output Compliance Range Pin IxOP and Pin QxOP −1.5 +0.7 V
PHASE ROTATION PERFORMANCE One channel is reference; others are stepped
Phase Increment
16 phase steps per channel
22.5
Degrees
Quadrature Phase Error Ix to Qx; all phases, 1σ −2 ±1 +2 Degrees
I/Q Amplitude Imbalance Ix to Qx; all phases, 1σ ±0.05 dB
Channel-to-Channel Matching Phase match I-to-I and Q-to-Q; −40°C < T
A
< +85°C ±1 Degrees
Amplitude match I-to-I and Q-to-Q; −40°C < T
A
< +85°C ±0.1 dB
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