參數(shù)資料
型號: AD7478ARTZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 21/25頁
文件大小: 0K
描述: IC ADC 8BIT 1MSPS SOT23-6
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標準包裝: 10,000
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: SOT-23-6
供應商設(shè)備封裝: SOT-23-6
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個單端,單極
AD7476/AD7477/AD7478
Rev. F | Page 4 of 24
Parameter
Unit
Test Conditions/Comments
CONVERSION RATE
Conversion Time
0.8
1.33
μs max
16 SCLK cycles
Track-and-Hold Acquisition Time
500
ns max
Full-scale step input
350
400
ns max
Sine wave input ≤ 100 kHz
Throughput Rate
1000
600
kSPS max
POWER REQUIREMENTS
VDD
2.35/5.25
V min/max
IDD
Digital I/Ps = 0 V or VDD
Normal Mode (Static)
2
mA typ
VDD = 4.75 V to 5.25 V, SCLK on or off
1
mA typ
VDD = 2.35 V to 3.6 V, SCLK on or off
Normal Mode (Operational)
3.5
3
mA max
VDD = 4.75 V to 5.25 V,
fSAMPLE = fSAMPLEMAX6
1.6
1.4
mA max
VDD = 2.35 V to 3.6 V,
fSAMPLE = fSAMPLEMAX6
Full Power-Down Mode
1
μA max
SCLK off
80
μA max
SCLK on
Power Dissipation7
Normal Mode (Operational)
17.5
15
mW max
VDD = 5 V, fSAMPLE = fSAMPLEMAX6
4.8
4.2
mW max
VDD = 3 V, fSAMPLE = fSAMPLEMAX6
Full Power-Down
5
μW max
VDD = 5 V, SCLK off
3
μW max
VDD = 3 V, SCLK off
1 Temperature range for A and B versions is 40°C to +85°C; temperature range for S version is 55°C to +125°C.
2 Operational from VDD = 2.0 V.
4 Maximum B and S version specifications apply as typical figures when VDD = 5.25 V.
5 Guaranteed by characterization.
6 For A version: fSAMPLEMAX = 1 MSPS; B and S versions: fSAMPLEMAX = 600 kSPS.
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