AVDD1 = 1.8 V, AVDD2 = 3.0 V, DRVDD = 1.8 V, 1.0 V internal ADC referen" />
參數(shù)資料
型號(hào): AD9277-50EBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 34/48頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9277
設(shè)計(jì)資源: AD9276/77 Eval Brd Gerber Files
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 14
采樣率(每秒): 10M ~ 50M
數(shù)據(jù)接口: 串行,SPI?
輸入范圍: 733 mVpp
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD9277
已供物品:
相關(guān)產(chǎn)品: AD9277BSVZ-ND - IC ADC 14BIT LNA/VGA/AAF 100TQFP
AD9277
Rev. 0 | Page 4 of 48
SPECIFICATIONS
AC SPECIFICATIONS
AVDD1 = 1.8 V, AVDD2 = 3.0 V, DRVDD = 1.8 V, 1.0 V internal ADC reference, fIN = 5 MHz, RS = 50 Ω, LNA gain = 21.3 dB, LNA bias = high,
PGA gain = 24 dB, GAIN = 0.8 V, AAF LPF cutoff = fSAMPLE/4.5, HPF cutoff = LPF cutoff/20.7 (default), fSAMPLE = 50 MSPS (Register 0x02 = 0x01),
full temperature, ANSI-644 LVDS mode, unless otherwise noted.
Table 1.
Parameter1
Test Conditions/Comments
Min
Typ
Max
Unit
LNA CHARACTERISTICS
Gain
Single-ended input to differential output
15.6/17.9/21.3
dB
Single-ended input to single-ended output
9.6/11.9/15.3
dB
Input Voltage Range
(Single-Ended)
LNA output limited to 4.4 V p-p differential
output
LNA gain = 15.6 dB
733
mV p-p
LNA gain = 17.9 dB
550
mV p-p
LNA gain = 21.3 dB
367
mV p-p
Input Common Mode (LI-x, LG-x)
1.0
V
Output Common Mode (LO-x)
1.5
V
Output Common Mode (LOSW-x)
Switch off
High-Z
Ω
Switch on
1.5
V
Input Resistance (LI-x)
RFB = 250 Ω
50
Ω
RFB = 500 Ω
100
Ω
RFB = ∞
15
Input Capacitance (LI-x)
22
pF
3 dB Bandwidth
100
MHz
Input Noise Voltage
RS = 0 Ω, RFB = ∞
LNA gain = 15.6 dB
0.98
nV/√Hz
LNA gain = 17.9 dB
0.86
nV/√Hz
LNA gain = 21.3 dB
0.75
nV/√Hz
Input Noise Current
RFB = ∞
1
pA/√Hz
1 dB Input Compression Point
GAIN+ = 0 V
LNA gain = 15.6 dB
1.0
V p-p
LNA gain = 17.9 dB
0.8
V p-p
LNA gain = 21.3 dB
0.5
V p-p
Noise Figure
RS = 50 Ω
Active Termination Matched
LNA gain = 15.6 dB, RFB = 200 Ω
4.8
dB
LNA gain = 17.9 dB, RFB = 250 Ω
4.1
dB
LNA gain = 21.3 dB, RFB = 350 Ω
3.2
dB
Unterminated
LNA gain = 15.6 dB, RFB = ∞
3.4
dB
LNA gain = 17.9 dB, RFB = ∞
2.8
dB
LNA gain = 21.3 dB, RFB = ∞
2.3
dB
FULL-CHANNEL (TGC)
CHARACTERISTICS
AAF Low-Pass Cutoff
In Range
3 dB, programmable
8
18
MHz
In Range AAF Bandwidth
Tolerance
±10
%
Group Delay Variation
f = 1 MHz to 18 MHz, GAIN+ = 0 V to 1.6 V
±2
ns
Input-Referred Noise Voltage
GAIN+ = 1.6 V, RFB = ∞
LNA gain = 15.6 dB
1.26
nV/√Hz
LNA gain = 17.9 dB
1.04
nV/√Hz
LNA gain = 21.3 dB
0.85
nV/√Hz
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