R
參數(shù)資料
型號: AD9278BBCZ
廠商: Analog Devices Inc
文件頁數(shù): 40/44頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 50MSPS 144CSPBGA
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): 50M
數(shù)據(jù)接口: 串行,SPI?
電壓電源: 模擬和數(shù)字
電源電壓: 1.7 V ~ 1.9 V,2.7 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 144-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 144-CSPBGA(10x10)
包裝: 托盤
Data Sheet
AD9278
Rev. A | Page 5 of 44
Parameter1
Test Conditions/Comments
Min
Typ
Max
Unit
Input-Referred Noise Voltage
RS = 0 Ω, RFB = ∞
LNA gain = 15.6 dB
2.0
nV/√Hz
LNA gain = 17.9 dB
1.9
nV/√Hz
LNA gain = 21.3 dB
1.8
nV/√Hz
Noise Figure
RS = 50 Ω, RFB = ∞
LNA gain = 15.6 dB
7.8
dB
LNA gain = 17.9 dB
7.3
dB
LNA gain = 21.3 dB
6.9
dB
Input-Referred Dynamic Range
RS = 0 Ω, RFB = ∞
LNA gain = 15.6 dB
162
dBFS/√Hz
LNA gain = 17.9 dB
160
dBFS/√Hz
LNA gain = 21.3 dB
157
dBFS/√Hz
Output-Referred SNR
3 dBFS input, fRF = 2.5 MHz, f4LO =
10 MHz, 1 kHz offset
153
dBc/√Hz
Two-Tone Intermodulation (IMD3)
fRF1 = 5.015 MHz, fRF2 = 5.020 MHz,
f4LO = 20 MHz, ARF1 = 1 dBFS, ARF2 =
21 dBFS, IMD3 relative to ARF2
58
dB
Quadrature Phase Error
I to Q, all phases, 1 σ
0.15
Degrees
I/Q Amplitude Imbalance
I to Q, all phases, 1 σ
0.015
dB
Channel-to-Channel Matching
Phase I to I, Q to Q, 1 σ
0.5
Degrees
Amplitude I to I, Q to Q, 1 σ
0.25
dB
POWER SUPPLY, MODE I/II/III/IV
AVDD1
1.7
1.8
1.9
V
2.7
3.0
3.6
V
DRVDD
1.7
1.8
1.9
V
IAVDD1
TGC mode
178/145/
215/260
mA
CW Doppler mode
32
mA
IAVDD2
TGC mode, no signal
108
mA
CW Doppler mode
63
mA
IDRVDD
ANSI-644 mode
47/44/48/53
mA
Low power (IEEE 1596.3 similar) mode
33/31/34/38
Total Power Dissipation
(Including Output Drivers)
TGC mode, no signal
704/640/
772/860
815/755/
908/996
mW
CW Doppler mode
252
mW
Power-Down Dissipation
5
mW
Standby Power Dissipation
420
mW
Power Supply Rejection Ratio
(PSRR)
1.6
mV/V
ADC RESOLUTION
12
Bits
ADC REFERENCE
Output Voltage Error
VREF = 1 V
±50
mV
Load Regulation at 1.0 mA
VREF = 1 V
2
mV
Input Resistance
6
1
See the AN-835 Application Note, UnderstandingHigh SpeedADC Testing andEvaluation, for a complete set of definitions and information about how these tests were completed.
2
The overrange condition is specified as 6 dB more than the full-scale input range.
3
When the LNA gain is set to 15.6 dB, AVDD2 >3.0 V.
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