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參數(shù)資料
| 型號(hào)： | AD9279-80KITZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 34/44頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVALUATION FOR AD9279 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 8 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 80M |
| 數(shù)據(jù)接口： | 串行 |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD9279 |
| 已供物品： | 板 |
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AD9279
Rev. 0 | Page 4 of 44
Parameter1
Test Conditions/Comments
Min
Typ
Max
Unit
Input-Referred Noise Voltage
GAIN+ = 1.6 V, RFB = ∞
LNA gain = 15.6 dB
1.12
nV/√Hz
LNA gain = 17.9 dB
0.96
nV/√Hz
LNA gain = 21.3 dB
0.81
nV/√Hz
Noise Figure
GAIN+ = 1.6 V, RS = 50 Ω
Active Termination Matched
LNA gain = 15.6 dB, RFB = 200 Ω
5.6
dB
LNA gain = 17.9 dB, RFB = 250 Ω
4.5
dB
LNA gain = 21.3 dB, RFB = 350 Ω
3.3
dB
Unterminated
LNA gain = 15.6 dB, RFB = ∞
3.5
dB
LNA gain = 17.9 dB, RFB = ∞
2.9
dB
LNA gain = 21.3 dB, RFB = ∞
2.3
dB
Correlated Noise Ratio
No signal, correlated/uncorrelated
30
dB
Output Offset
35
+35
LSB
Signal-to-Noise Ratio (SNR)
fIN = 5 MHz at 10 dBFS, GAIN+ = 0 V,
67
dBFS
fIN = 5 MHz at 1 dBFS, GAIN+ = 1.6 V
59
dBFS
Harmonic Distortion
Second Harmonic
fIN = 5 MHz at 10 dBFS, GAIN+ = 0 V
72
dBc
fIN = 5 MHz at 1 dBFS, GAIN+ = 1.6 V
72
dBc
Third Harmonic
fIN = 5 MHz at 10 dBFS, GAIN+ = 0 V
69
dBc
fIN = 5 MHz at 1 dBFS, GAIN+ = 1.6 V
59
dBc
Two-Tone Intermodulation (IMD3)
fRF1 = 5.015 MHz, fRF2 = 5.020 MHz,
ARF1 = 0 dB, ARF2 = 20 dB, GAIN+ =
1.6 VIMD3 relative to ARF2
70
dBc
Channel-to-Channel Crosstalk
fIN1 = 5.0 MHz at 1 dBFS
60
dB
Overrange condition2
55
dB
Channel-to-Channel Delay
Variation
Full TGC path, fIN = 5 MHz, GAIN+ = 0 V to
1.6 V
0.3
Degrees
GAIN ACCURACY
25°C
Gain Law Conformance Error
0 < GAIN+ < 0.16 V
0.5
dB
0.16 V < GAIN+ < 1.44 V
1.6
+1.6
dB
1.44 V < GAIN+ < 1.6 V
0.5
dB
Linear Gain Error
GAIN+ = 0.8 V, normalized for ideal AAF
loss
1.6
+1.6
dB
Channel-to-Channel Matching
0.16 V < GAIN+ < 1.44 V
0.1
dB
PGA Gain
21/24/27/30
dB
GAIN CONTROL INTERFACE
Control Range
Differential
0.8
+0.8
V
Single-ended
0
1.6
V
Gain Range
GAIN+ = 0 V to 1.6 V
45
dB
Scale Factor
28.0
dB/V
Response Time
45 dB change
750
ns
Gain+ Impedance
Single-ended
10
MΩ
Gain Impedance
Single-ended
70
kΩ
CW DOPPLER MODE
LO Frequency
fLO = f4LO/4
1
10
MHz
Phase Resolution
Per channel
22.5
Degrees
Output DC Bias (Single-Ended)
CWI+, CWI, CWQ+, CWQ
1.5
V
Output AC Current Range
Per CWI+, CWI, CWQ+, CWQ, each
channel enabled
±1.25
mA
Transconductance (Differential)
Demodulated IOUT/VIN, per CWI+, CWI,
CWQ+, CWQ
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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