AVDD
參數(shù)資料
型號(hào): AD7904WYRUZ-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 23/32頁(yè)
文件大小: 0K
描述: IC ADC 8BIT 4CH W/SEQ 16TSSOP
標(biāo)準(zhǔn)包裝: 1
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): 13.5mW
電壓電源: 單電源
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類(lèi)型: 4 個(gè)單端,單極
其它名稱(chēng): AD7904WYRUZ-REEL7DKR
Data Sheet
AD7904/AD7914/AD7924
Rev. C | Page 3 of 32
SPECIFICATIONS
AD7904 SPECIFICATIONS
AVDD = VDRIVE = 2.7 V to 5.25 V, REFIN = 2.5 V, fSCLK = 20 MHz, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
B Version1
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 50 kHz sine wave, fSCLK = 20 MHz
Signal to (Noise + Distortion) (SINAD)2
49
dB min
B models
48.5
dB min
W models
Signal-to-Noise Ratio (SNR)
49
dB min
B models
48.5
dB min
W models
Total Harmonic Distortion (THD)2
66
dB max
Peak Harmonic or Spurious Noise (SFDR)
64
dB max
Intermodulation Distortion (IMD)
fa = 40.1 kHz, fb = 41.5 kHz
Second-Order Terms
90
dB typ
Third-Order Terms
90
dB typ
Aperture Delay
10
ns typ
Aperture Jitter
50
ps typ
Channel-to-Channel Isolation2
85
dB typ
fIN = 400 kHz
Full Power Bandwidth
8.2
MHz typ
@ 3 dB
1.6
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
8
Bits
Integral Nonlinearity (INL)2
±0.2
LSB max
Differential Nonlinearity (DNL)2
±0.2
LSB max
Guaranteed no missed codes to 8 bits
0 V to REFIN Input Range
Straight binary output coding
Offset Error2
±0.5
LSB max
Offset Error Match2
±0.05
LSB max
Gain Error2
±0.2
LSB max
Gain Error Match2
±0.05
LSB max
0 V to 2 × REFIN Input Range
REFIN to +REFIN biased about REFIN with twos
complement output coding
Positive Gain Error2
±0.2
LSB max
Positive Gain Error Match2
±0.05
LSB max
Zero Code Error2
±0.5
LSB max
Zero Code Error Match2
±0.1
LSB max
Negative Gain Error2
±0.2
LSB max
Negative Gain Error Match2
±0.05
LSB max
ANALOG INPUT
Input Voltage Range
0 to REFIN
V
RANGE bit set to 1
0 to 2 × REFIN
V
RANGE bit set to 0, AVDD/VDRIVE = 4.75 V to 5.25 V
DC Leakage Current
±1
μA max
Input Capacitance
20
pF typ
REFERENCE INPUT
REFIN Input Voltage
2.5
V
±1% specified performance
DC Leakage Current
±1
μA max
REFIN Input Impedance
36
kΩ typ
fSAMPLE = 1 MSPS
LOGIC INPUTS
Input High Voltage, VINH
0.7 × VDRIVE
V min
Input Low Voltage, VINL
0.3 × VDRIVE
V max
Input Current, IIN
±1
μA max
Typically 10 nA, VIN = 0 V or VDRIVE
Input Capacitance, CIN3
10
pF max
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