AD7451 データシートの表示（PDF） - Analog Devices
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AD7451 Datasheet PDF : 24 Pages
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AD7441/AD7451
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
DYNAMIC PERFORMANCE
Signal-to-(Noise + Distortion) (SINAD)1
Total Harmonic Distortion (THD)1
Peak Harmonic or Spurious Noise1
Intermodulation Distortion (IMD)1
Second-Order Terms
Third-Order Terms
Aperture Delay1
Aperture Jitter1
Full-Power Bandwidth1, 2
DC ACCURACY
Resolution
Integral Nonlinearity (INL)1
Differential Nonlinearity (DNL)1
Offset Error1
Gain Error1
ANALOG INPUT
Full-Scale Input Span
Absolute Input Voltage
VIN+
VIN– 3
DC Leakage Current
Input Capacitance
REFERENCE INPUT
VREF Input Voltage4
DC Leakage Current
VREF Input Capacitance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN5
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance5
Output Coding
Test Conditions/Comments
fIN = 100 kHz
2.7 V to 3.6 V; −77 dB typical
4.75 V to 5.25 V; −79 dB typical
2.7 V to 3.6 V; −80 dB typical
4.75 V to 5.25 V; −82 dB typical
fa = 90 kHz, fb = 110 kHz
@ −3 dB
@ −0.1 dB
B Version
61
−72
−73
−72
−74
−80
−80
5
50
20
2.5
10
±0.5
Guaranteed no missed codes to 10 bits ±0.5
±1
±1
VIN+ − VIN–
VREF
VDD = 2.7 V to 3.6 V
VDD = 4.75 V to 5.25 V
When in track-and-hold
VREF
−0.1 to +0.4
−0.1 to +1.5
±1
30/10
±1% tolerance for specified performance
When in track-and-hold
2.5
±1
10/30
2.4
0.8
Typically 10 nA, VIN = 0 V or VDD
±1
10
VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA
VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA
ISINK = 200 μA
2.8
2.4
0.4
±1
10
Straight (natural) binary
Unit
dB min
dB max
dB max
dB max
dB max
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
V
V
V
V
μA max
pF typ
V
μA max
pF typ
V min
V max
μA max
pF max
V min
V min
V max
μA max
pF max
Rev. D | Page 5 of 24
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