VDD = 2.7 V to 5.25 V; fSCLK" />
參數(shù)資料
型號: AD7451ARMZ
廠商: Analog Devices Inc
文件頁數(shù): 22/25頁
文件大小: 0K
描述: IC ADC 12BIT DIFF 1MSPS 8MSOP
標準包裝: 50
位數(shù): 12
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): 9.25mW
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 個偽差分,單極
AD7441/AD7451
Rev. D | Page 5 of 24
VDD = 2.7 V to 5.25 V; fSCLK = 18 MHz; fS = 1 MSPS; VREF = 2.5 V; TA = TMIN to TMAX, unless otherwise noted. Temperature range for
B version: 40°C to +85°C.
Table 2. AD7441
Parameter
Test Conditions/Comments
B Version
Unit
DYNAMIC PERFORMANCE
fIN = 100 kHz
Signal-to-(Noise + Distortion) (SINAD)1
61
dB min
Total Harmonic Distortion (THD)1
2.7 V to 3.6 V; 77 dB typical
72
dB max
4.75 V to 5.25 V; 79 dB typical
73
dB max
Peak Harmonic or Spurious Noise1
2.7 V to 3.6 V; 80 dB typical
72
dB max
4.75 V to 5.25 V; 82 dB typical
74
dB max
Intermodulation Distortion (IMD)1
fa = 90 kHz, fb = 110 kHz
Second-Order Terms
80
dB typ
Third-Order Terms
80
dB typ
Aperture Delay1
5
ns typ
Aperture Jitter1
50
ps typ
Full-Power Bandwidth1, 2
@ 3 dB
20
MHz typ
@ 0.1 dB
2.5
MHz typ
DC ACCURACY
Resolution
10
Bits
Integral Nonlinearity (INL)1
±0.5
LSB max
Differential Nonlinearity (DNL)1
Guaranteed no missed codes to 10 bits
±0.5
LSB max
Offset Error1
±1
LSB max
Gain Error1
±1
LSB max
ANALOG INPUT
Full-Scale Input Span
VIN+ VIN–
VREF
V
Absolute Input Voltage
VIN+
VREF
V
VDD = 2.7 V to 3.6 V
0.1 to +0.4
V
VDD = 4.75 V to 5.25 V
0.1 to +1.5
V
DC Leakage Current
±1
μA max
Input Capacitance
When in track-and-hold
30/10
pF typ
REFERENCE INPUT
VREF Input Voltage4
±1% tolerance for specified performance
2.5
V
DC Leakage Current
±1
μA max
VREF Input Capacitance
When in track-and-hold
10/30
pF typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Current, IIN
Typically 10 nA, VIN = 0 V or VDD
±1
μA max
Input Capacitance, CIN5
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA
2.8
V min
VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA
2.4
V min
Output Low Voltage, VOL
ISINK = 200 μA
0.4
V max
Floating-State Leakage Current
±1
μA max
Floating-State Output Capacitance5
10
pF max
Output Coding
Straight (natural) binary
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