VDD = 2.7 V to 5.25 V; f
參數(shù)資料
型號(hào)： EVAL-AD7451CBZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 20/25頁(yè)
文件大小： 0K
描述： BOARD EVAL FOR AD7451
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 1M
數(shù)據(jù)接口： SPI?、QSPI?、MICROWIRE? 和 DSP
輸入范圍： ±VREF
在以下條件下的電源（標(biāo)準(zhǔn)）： 9.25mW @ 1MSPS，5V
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7451
已供物品： 板
AD7441/AD7451
Rev. D | Page 3 of 24
SPECIFICATIONS
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 ranges for A, B
versions: 40°C to +85°C.
Table 1. AD7451
Parameter
Test Conditions/Comments
A Version
B Version
Unit
DYNAMIC PERFORMANCE
fIN = 100 kHz
Signal-to-Noise Ratio (SNR)1
VDD = 2.7 V to 5.25 V
70
dB min
Signal-to-(Noise + Distortion) (SINAD)1
VDD = 2.7 V to 3.6 V
69
dB min
VDD = 4.75 V to 5.25 V
70
dB min
Total Harmonic Distortion (THD)1
VDD = 2.7 V to 3.6 V; 78 dB typ
73
dB max
VDD = 4.75 V to 5.25 V; 80 dB typ
75
dB max
Peak Harmonic or Spurious Noise1
VDD = 2.7 V to 3.6 V; 80 dB typ
73
dB max
VDD = 4.75 V to 5.25 V; 82 dB typ
75
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
12
Bits
Integral Nonlinearity (INL)1
±1.5
±1
LSB max
Differential Nonlinearity (DNL)1
Guaranteed no missed codes to 12 bits
±0.95
LSB max
Offset Error1
±3.5
LSB max
Gain Error1
±3
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
Straight
(natural) binary
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參數(shù)描述
EVAL-AD7451CBZ3 制造商:AD 制造商全稱:Analog Devices 功能描述:Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23
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EVAL-AD7453CB 制造商:Analog Devices 功能描述:DEV TOOLS, PSEUDO DIFFERENTIAL, 555 KSPS, 12-BIT A/D CNVRTR - Bulk
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