AD7273 查看數據表（PDF） - Analog Devices
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AD7273 Datasheet PDF : 20 Pages
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PRELIMINARY TECHNICAL DATA
AD7273-SPECIFICATIONS
(VDD=+2.35 V to +3.6 V, VREF= +2.5V , fSCLK=52 MHz, fSAMPLE=3 MSPS unless other-
wise noted; TA=TMIN to TMAX, unless otherwise noted.)
Parameter
B Grade1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
Second Order Terms
Third Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Full Power Bandwidth
Power Supply Rejection Ratio (PSRR)
61
-73
-74
-82
-82
TBD
TBD
TBD
TBD
TBD
dB min
dB max
dB max
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
dB typ
fIN = 1 MHz Sine Wave
fa= TBD kHz, fb= TBD kHz
fa= TBD kHz, fb= TBD kHz
@ 3 dB
@ 0.1dB
DC ACCURACY
Resolution
Integral Nonlinearity2
Differential Nonlinearity2
Offset Error2
Gain Error2
Total Unadjusted Error (TUE)2
10
±0.5
±0.5
±1
±TBD
±1
±TBD
±TBD
Bits
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB typ
LSB max
Guaranteed No Missed Codes to 10 Bits
ANALOG INPUT
Input Voltage Range
DC Leakage Current
Input Capacitance
0 to VREF
±0.5
TBD
Volts
µA max
pF typ
REFERENCE INPUT
VREF Input Voltage Range
DC leakage Current
Input Capacitance
Input Impedance
1.2 to VDD
±TBD
TBD
TBD
Vmin/Vmax
µA max
pF max
kΩ typ
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN, SCLK Pin
Input Current, IIN, CS Pin
Input Capacitance, CIN3
0.7(VDD) V min
2
V min
0.2(VDD) V max
0.8
V max
±0.5
µA max
±TBD µA max
10
pF max
2.35Vр Vdd р2.7V
2.7V< Vdd р 3.6V
2.35VрVdd< 2.7V
2.7V рVddр 3.6V
Typically TBD nA, VIN= 0 V or VDD
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance3
Output Coding
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time2
Throughput Rate
VDD - 0.2
0.2
V min
V max
±1
µA max
10
pF max
Straight (Natural) Binary
ISOURCE= 200 µA,VDD= 2.35 V to 3.6 V
ISINK= 200µA
230
ns max
12 SCLK cycles with SCLK at 52 MHz
50
ns max
3
MSPS max
NOTES
1Temperature range from –40°C to +85°C.
2See Terminology.
3Guaranteed by Characterization.
Specifications subject to change without notice.
–2–
REV. PrB
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