V
參數(shù)資料
型號： AD7477AARMZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 27/29頁
文件大?。?/td> 0K
描述： IC ADC 10BIT 1MSPS 8-MSOP
標準包裝： 3,000
位數(shù)： 10
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）
供應商設備封裝： 8-MSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 1 個單端，單極
配用： EVAL-AD7477CBZ-ND - BOARD EVALUATION FOR AD7477
AD7476A/AD7477A/AD7478A
Rev. F | Page 6 of 28
Parameter
A Grade2
Unit
Test Conditions/Comments
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 Dissipation6
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
1
Temperature range is from –40°C to +85°C.
2
Operational from VDD = 2.0 V, with input high voltage (VINH) 1.8 V minimum.
3
4
SC70 values guaranteed by characterization.
5
Guaranteed by characterization.
6
AD7478A SPECIFICATIONS
VDD = 2.35 V to 5.25 V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS, TA = TMIN to TMAX, unless otherwise noted.1
Table 3.
Parameter
A Grade2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 100 kHz sine wave
Signal-to-Noise + Distortion (SINAD)3
49
dB min
Total Harmonic Distortion (THD)3
–65
dB max
Peak Harmonic or Spurious Noise (SFDR)3
–65
dB max
Intermodulation Distortion (IMD)3
Second-Order Terms
–76
dB typ
fa = 100.73 kHz, fb = 90.7 kHz
Third-Order Terms
–76
dB typ
fa = 100.73 kHz, fb = 90.7 kHz
Aperture Delay
10
ns typ
Aperture Jitter
30
ps typ
Full Power Bandwidth
13.5
MHz typ
@ 3 dB
2
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
8
Bits
Integral Nonlinearity3
±0.3
LSB max
Differential Nonlinearity3
±0.3
LSB max
Guaranteed no missed codes to eight bits
Offset Error3, 4
±0.3
LSB max
Gain Error3, 4
±0.3
LSB max
Total Unadjusted Error (TUE)3, 4
±0.5
LSB max
ANALOG INPUT
Input Voltage Range
0 to VDD
V
DC Leakage Current
±0.5
μA max
Input Capacitance
20
pF typ
Track-and-hold in track; 6 pF typ when in hold
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