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: AD9273BSVZ-40
廠商: Analog Devices Inc
文件頁數(shù): 34/48頁
文件大?。?/td> 0K
描述: IC ADC OCT 12BIT 40MSPS 100-TQFP
標準包裝: 1
類型: AAF,ADC,交叉點開關(guān),LNA,VGA
分辨率(位): 12 b
采樣率(每秒): 40M
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
供應商設(shè)備封裝: 100-TQFP-EP(14x14)
包裝: 托盤
AD9273
Rev. B | 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 =mid-
high (default), PGA gain = 24 dB, GAIN = 0.8 V, AAF LPF cutoff = fSAMPLE/3 (default), HPF = LPF cutoff/20.7 (default), full temperature,
ANSI-644 LVDS mode, unless otherwise noted.
Table 1.
AD9273-25
AD9273-40
AD9273-50
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
SE2
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
70
MHz
Input-Referred
Noise Voltage
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB,
RS = 0 Ω,
RFB = ∞
1.6/1.42/1.26
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 Termina-
tion Matched
RS = 50 Ω,
RFB = 200 Ω/
250 Ω/350 Ω
5.8/5.1/4.3
dB
Unterminated
RFB = ∞
6.3/5.3/4.4
dB
FULL-CHANNEL (TGC)
CHARACTERISTICS
AAF Low-Pass Filter
Cutoff
In range, 3 dB,
programmable
8 to 18
MHz
Out of range,3
3 dB, pro-
grammable,
>>AAF band-
width tolerance
5 to 8, 18 to 35
MHz
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