AVCC = DV
參數(shù)資料
型號(hào): AD9042ASTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 18/24頁(yè)
文件大小: 0K
描述: IC ADC 12BIT 41MSPS 44-TQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 41M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 735mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-LQFP(10x10)
包裝: 托盤(pán)
輸入數(shù)目和類(lèi)型: 1 個(gè)單端,雙極
產(chǎn)品目錄頁(yè)面: 780 (CN2011-ZH PDF)
AD9042
Rev. B | Page 3 of 24
SPECIFICATIONS
DC SPECIFICATIONS
AVCC = DVCC = 5 V; VREF tied to VOFFSET through 50 Ω; TMIN = 40°C, TMAX = +85°C.
Table 1.
Parameter1
Temperature
Test Level
Min
Typ
Max
Unit
RESOLUTION
12
Bits
DC ACCURACY
No Missing Codes
Full
VI
Guaranteed
Offset Error
Full
VI
10
±3
+10
mV
Offset Tempco
Full
V
25
ppm/°C
Gain Error
Full
VI
6.5
0
+6.5
% FS
Gain Tempco
Full
V
50
ppm/°C
REFERENCE OUT (VREF)2
25°C
V
2.4
V
ANALOG INPUT (AIN)
Input Voltage Range
VREF ± 0.500
V
Input Resistance
Full
IV
200
250
300
Ω
Input Capacitance
25°C
V
5.5
pF
ENCODE INPUT3
Logic Compatibility4
TTL/CMOS
Logic 1 Voltage
Full
VI
2.0
5.0
V
Logic 0 Voltage
Full
VI
0
0.8
V
Logic 1 Current (VINH = 5 V)
Full
VI
450
625
800
μA
Logic 0 Current (VINL = 0 V)
Full
VI
400
300
200
μA
Input Capacitance
25°C
V
2
pF
DIGITAL OUTPUTS
Logic Compatibility
CMOS
Logic 1 Voltage (IOH = 10 μA)
25°C
I
3.5
4.2
V
Full
IV
3.5
V
Logic 0 Voltage (IOL = 10 μA)
25°C
I
0.75
0.80
V
Full
IV
0.85
V
Output Coding
Twos complement
POWER SUPPLY
AVCC Supply Voltage
Full
VI
5.0
V
AVCC Current (I)
Full
V
109
mA
DVCC Supply Voltage
Full
VI
5.0
V
DVCC Current (I)
Full
V
10
mA
ICC (Total) Supply Current
Full
VI
119
147
mA
Power Dissipation
Full
VI
595
735
mW
Power Supply Rejection Ratio (PSRR)
25°C
I
20
±1
+20
mV/V
Full
V
±5
mV/V
1 C1 (Pin 10) tied to GND through a 0.01 μF capacitor.
2 VREF is normally tied to VOFFSET through 50 Ω. If VREF is used to provide dc offset to other circuits, it should first be buffered.
3 ENCODE driven by single-ended source; ENCODE bypassed to ground through a 0.01 μF capacitor.
4 ENCODE may also be driven differentially in conjunction with ENCODE; see the Encoding the AD9042 section for details.
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