AD7452 データシートの表示（PDF） - Analog Devices
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AD7452 Datasheet PDF : 24 Pages
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Data Sheet
AD7452
SPECIFICATIONS
VDD = 2.7 V to 3.6 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.0 V; VDD = 4.75 V to 5.25 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.5 V;
VCM1 = VREF; TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
Signal-to-(Noise + Distortion) (SINAD)3
Total Harmonic Distortion (THD)3
Peak Harmonic or Spurious Noise3
Intermodulation Distortion (IMD)3
Second-Order Terms
Third-Order Terms
Aperture Delay3
Aperture Jitter3
Full Power Bandwidth3, 4
DC ACCURACY
Resolution
Integral Nonlinearity (INL) 3
Differential Nonlinearity (DNL) 3
Zero-Code Error3
Positive Gain Error3
Negative Gain Error3
ANALOG INPUT
Full-Scale Input Span
Absolute Input Voltage
VIN+
VIN–
DC Leakage Current
Input Capacitance
REFERENCE INPUT
VREF Input Voltage
DC Leakage Current
VREF Input Capacitance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN 8
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance8
Output Coding
Test Conditions/Comments
fIN = 100 kHz
VDD = 4.75 V to 5.25 V, –86 dB typ
VDD = 2.7 V to 3.6 V, –84 dB typ
VDD = 4.75 V to 5.25 V, –86 dB typ
VDD = 2.7 V to 3.6 V, –84 dB typ
fa = 90 kHz, fb = 110 kHz
@ –3 dB
@ –0.1 dB
Guaranteed no missed codes to 12 bits
2 × VREF5
VCM = VREF
VCM = VREF
When in track/hold
VDD = 4.75 V to 5.25 V (±1% tolerance for
specified performance)
VDD = 2.7 V to 3.6 V (±1% tolerance for
specified performance)
When in track/hold
Typically 10 nA, VIN = 0 V or VDD
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
B Version2
70
–76
–74
–76
–74
–89
–89
5
50
20
2.5
12
±1
± 0.95
±6
±2
±2
VIN+ – VIN–
VCM1 ± VREF/2
VCM1 ± VREF/2
±1
30/10
2.56
2.07
±1
10/30
2.4
0.8
±1
10
2.8
2.4
0.4
±1
10
Twos Complement
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
LSB max
V
V
V
µA max
pF typ
V
V
µA max
pF typ
V min
V max
µA max
pF max
V min
V min
V max
µA max
pF max
Rev. C | Page 3 of 24
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