GAIN+ = 1.6 V, R
參數(shù)資料
型號: AD9276BSVZ
廠商: Analog Devices Inc
文件頁數(shù): 44/48頁
文件大?。?/td> 0K
描述: IC ADC 12BIT LNA/VGA/AAF 100TQFP
標(biāo)準(zhǔn)包裝: 1
類型: AAF,ADC,解調(diào)器,LNA,VGA
分辨率(位): 12 b
采樣率(每秒): 10M ~ 80M
數(shù)據(jù)接口: 串行,SPI?
電壓電源: 模擬和數(shù)字
電源電壓: 1.8V,3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 100-TQFP-EP(14x14)
包裝: 托盤
AD9276
Rev. 0 | Page 5 of 48
Parameter1
Test Conditions/Comments
Min
Typ
Max
Unit
Noise Figure
GAIN+ = 1.6 V, RS = 50 Ω
Active Termination Matched
Mode I/Mode II/Mode III
LNA gain = 15.6 dB, RFB = 200 Ω
8.0/7.7/7.6
dB
LNA gain = 17.9 dB, RFB = 250 Ω
6.6/6.2/6.1
dB
LNA gain = 21.3 dB, RFB = 350 Ω
4.7/4.5/4.4
dB
Unterminated
LNA gain = 15.6 dB, RFB = ∞
4.7
dB
LNA gain = 17.9 dB, RFB = ∞
3.7
dB
LNA gain = 21.3 dB, RFB = ∞
2.8
dB
Correlated Noise Ratio
No signal, correlated/uncorrelated
30
dB
Output Offset
35
+35
LSB
Signal-to-Noise Ratio (SNR)
Mode I/Mode II/Mode III
fIN = 5 MHz at 10 dBFS, GAIN+ = 0 V
65/64/63
dBFS
fIN = 5 MHz at 1 dBFS, GAIN+ = 1.6 V
57/56/54.5
dBFS
Harmonic Distortion
Mode I/Mode II/Mode III
Second Harmonic
fIN = 5 MHz at 10 dBFS, GAIN+ = 0 V
62/58/55
dBc
fIN = 5 MHz at 1 dBFS, GAIN+ = 1.6 V
60/61/58
dBc
Third Harmonic
fIN = 5 MHz at 10 dBFS, GAIN+ = 0 V
71/60/60
dBc
fIN = 5 MHz at 1 dBFS, GAIN+ = 1.6 V
57/55/56
dBc
Two-Tone Intermodulation (IMD3)
fRF1 = 5.015 MHz, fRF2 = 5.020 MHz,
ARF1 = 0 dB, ARF2 = 20 dB, GAIN+ = 1.6 V,
IMD3 relative to ARF2
55
dBc
Channel-to-Channel Crosstalk
fIN = 5 MHz at 1 dBFS
70
dB
Overrange condition2
65
dB
Channel-to-Channel Delay
Variation
Full TGC path, fIN = 5 MHz, GAIN+ = 0 V to 1.6 V
0.3
Degrees
PGA Gain
Differential input to differential output
21/24/27/30
dB
GAIN ACCURACY
25°C
Gain Law Conformance Error
Mode I/Mode II/Mode III
0 < GAIN+ < 0.16 V
1.5
dB
0.16 V < GAIN+ < 1.44 V
1.5/1.5/
1.6
+1.5/+1.5/
+1.6
dB
1.44 V < GAIN+ < 1.6 V
1.5/1.5/
1.6
2.5
+1.5/+1.5/
+1.6
dB
Linear Gain Error
GAIN+ = 0.8 V, normalized for ideal AAF loss
1.5
+1.5
dB
Channel-to-Channel Matching
0.16 V < GAIN+ < 1.44 V
0.1
dB
GAIN CONTROL INTERFACE
Normal Operating Range
0
1.6
V
Gain Range
GAIN+ = 0 V to 1.6 V
42
0
dB
Scale Factor
28.5
dB/V
Response Time
42 dB change
750
ns
GAIN+ Impedance
Single-ended
10
GAIN Impedance
Single-ended
70
CW DOPPLER MODE
LO Frequency
fLO = f4LO/4
1
10
MHz
Phase Increment
Per channel
22.5
Degrees
Output DC Bias (Single-Ended)
CWI+, CWI, CWQ+, CWQ
1.5
V
Maximum Output Swing
Per CWI+, CWI, CWQ+, CWQ, per channel
enabled
±1.25
mA
Transconductance (Differential)
Demodulated IOUT/VIN, each I or Q output
LNA gain = 15.6 dB
1.8
mA/V
LNA gain = 17.9 dB
2.4
mA/V
LNA gain = 21.3 dB
3.5
mA/V
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