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): AD9272BSVZ-40
廠商: Analog Devices Inc
文件頁(yè)數(shù): 34/44頁(yè)
文件大?。?/td> 0K
描述: IC ADC OCT 12BIT 40MSPS 100-TQFP
設(shè)計(jì)資源: Powering AD9272 with ADP5020 Switching Regulator PMU for Increased Efficiency (CN0135)
特色產(chǎn)品: AD9272: Octal LNA/VGA/AAF/ADC and Crosspoint Switch
標(biāo)準(zhǔn)包裝: 1
類型: AAF,ADC,交叉點(diǎn)開(kāi)關(guān),LNA,VGA
分辨率(位): 12 b
采樣率(每秒): 40M
數(shù)據(jù)接口: 串行
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(pán)
供應(yīng)商設(shè)備封裝: 100-TQFP-EP(14x14)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 780 (CN2011-ZH PDF)
配用: AD9272-65EBZ-ND - BOARD EVAL AD9272
AD9272
Rev. C | Page 4 of 44
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 = 27 dB, GAIN = 0.8 V, AAF LPF cutoff = fSAMPLE/4.5, HPF = LPF cutoff/20.7 (default), full temperature, ANSI-644 LVDS mode,
unless otherwise noted.
Table 1.
AD9272-40
AD9272-65
AD9272-80
Parameter1
Conditions
Min
Typ
Max
Min
Typ
Max
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
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB,
LNA output
limited to
4.4 V p-p
differential output
733/550/367
mV p-p
Input Common
Mode
0.9
V
Input Resistance
RFB = 250 Ω
50
Ω
RFB = 500 Ω
100
Ω
RFB = ∞
15
Input Capacitance
LI-x
22
pF
3 dB Bandwidth
100
MHz
Input-Referred
Noise Voltage
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB,
RS = 0 Ω,
RFB = ∞
0.98/0.86/0.75
nV/√Hz
Input Noise Current
RFB = ∞
1
pA/√Hz
1 dB Input Com-
pression Point
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB,
GAIN+ = 0 V
1.0/0.8/0.5
mV p-p
Noise Figure
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB
Active Termination
Matched
RS = 50 Ω,
RFB = 200 Ω/
250 Ω/350 Ω
4.8/4.1/3.2
4.8/4.0/3.2
dB
Unterminated
RFB = ∞
3.4/2.8/2.3
dB
FULL-CHANNEL (TGC)
CHARACTERISTICS
AAF Low-Pass Filter
Cutoff -In Range
3 dB,
programmable
8 to 18
MHz
AAF Low-Pass Filter
Cutoff - Out of
3 dB,
programmable,
AAF Bandwidth
Tolerance
5 to 8 and
18 to 35
5 to 8 and
18 to 35
5 to 8 and
18 to 35
MHz
AAF Bandwidth
Tolerance -In
Range
±10
%
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