AD7457BRT-R2(Rev0) データシートの表示（PDF） - Analog Devices
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AD7457BRT-R2
(Rev.:Rev0)
(Rev.:Rev0)
Analog Devices
AD7457BRT-R2 Datasheet PDF : 20 Pages
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AD7457
SPECIFICATIONS
VDD = 2.7 V to 5.25 V, fSCLK = 10 MHz, fS = 100 kSPS, VREF = 2.5 V, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
Signal to Noise Ratio (SNR)2
Signal to (Noise + Distortion) (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise2
Intermodulation DIstortion (IMD)2
Second Order Terms
Third Order Terms
Aperture Delay2
Aperture Jitter2
Full-Power Bandwidth2,3
DC ACCURACY
Resolution
Integral Nonlinearity (INL)2
Differential Nonlinearity (DNL)2
Offset Error2
Gain Error2
ANALOG INPUT
Full-Scale Input Span
Absolute Input Voltage
VIN+
VIN– 4
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, CIN6
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance6
Output Coding
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time2
Throughput Rate
Test Conditions/Comments
fIN = 30 kHz
−84 dB typ
−86 dB typ
fa = 25 kHz; fb = 35 kHz
@ −3 dB
@ −0.1 dB
Guaranteed no missed codes to 12 bits
VIN+ − V IN–
VDD = 2.7 V to 3.6 V
VDD = 4.75 V to 5.25 V
When in track/hold
±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
1.6 µs with a 10 MHz SCLK
See Serial Interface section
B Version1
71
70
−75
−75
−80
−80
5
50
20
2.5
12
±1
±0.95
±4.5
±2
VREF
VREF
−0.1 to +0.4
−0.1 to +1.5
±1
30/10
2.55
±1
10/30
2.4
0.8
±1
10
2.8
2.4
0.4
±1
10
Straight
natural binary
16
1
100
Unit
dB min
dB min
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
SCLK cycles
µs max
kSPS max
Rev. 0 | Page 3 of 20
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