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參數(shù)資料
型號: AD7478AARMZ
廠商: Analog Devices Inc
文件頁數(shù): 25/29頁
文件大?。?/td> 0K
描述: IC ADC 8BIT 1MSPS 8-MSOP
標(biāo)準(zhǔn)包裝: 50
位數(shù): 8
采樣率(每秒): 1M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 17.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 管件
輸入數(shù)目和類型: 1 個單端,單極
產(chǎn)品目錄頁面: 778 (CN2011-ZH PDF)
AD7476A/AD7477A/AD7478A
Rev. F | Page 4 of 28
Parameter
A Grade2
B Grade2
Y Grade2
Unit
Test Conditions/Comments
LOGIC OUTPUTS
Output High Voltage, VOH
VDD – 0.2
V min
ISOURCE = 200 μA; VDD = 2.35 V to 5.25 V
Output Low Voltage, VOL
0.4
V max
ISINK = 200 μA
Floating-State Leakage Current
±1
μA max
Floating-State Output Capacitance6
5
pF max
Output Coding
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
800
ns max
16 SCLK cycles
Track-and-Hold Acquisition Time3
250
ns max
Throughput Rate
1
MSPS max
POWER REQUIREMENTS
VDD
2.35/5.25
V min/max
IDD
Digital I/Ps = 0 V or VDD
Normal Mode (Static)
2.5
mA typ
VDD = 4.75 V to 5.25 V, SCLK on or off
1.2
mA typ
VDD = 2.35 V to 3.6 V, SCLK on or off
Normal Mode (Operational)
3.5
mA max
VDD = 4.75 V to 5.25 V, fSAMPLE = 1 MSPS
1.7
mA max
VDD = 2.35 V to 3.6 V, fSAMPLE = 1 MSPS
Full Power-Down Mode (Static)
1
μA max
Typically 50 nA
Full Power-Down Mode (Dynamic)
0.6
mA typ
VDD = 5 V, fSAMPLE = 100 kSPS
Power Dissipation7
0.3
mA typ
VDD = 3 V, fSAMPLE = 100 kSPS
Normal Mode (Operational)
17.5
mW max
VDD = 5 V, fSAMPLE = 1 MSPS
5.1
mW max
VDD = 3 V, fSAMPLE = 1 MSPS
Full Power-Down Mode
5
μW max
VDD = 5 V
3
μW max
VDD = 3 V
1
Temperature ranges are as follows: A, B grades from –40°C to +85°C, Y grade from –40°C to +125°C.
2
Operational from VDD = 2.0 V, with input low voltage (VINL) 0.35 V maximum.
3
4
B and Y grades, maximum specifications apply as typical figures when VDD = 4.75 V to 5.25 V.
5
SC70 values guaranteed by characterization.
6
Guaranteed by characterization.
7
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