AD7994(RevPrF) 查看數據表（PDF） - Analog Devices
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产品描述 (功能)
生产厂家
AD7994
(Rev.:RevPrF)
(Rev.:RevPrF)
Analog Devices
AD7994 Datasheet PDF : 27 Pages
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PRELIMINARY TECHNICAL DATA
AD7993–SPECIFICATIONS1 (VDD = +2.7 V to +5.5 V, unless otherwise noted ; REFIN = 2.5 V; fSCL = 3.4 MHz unless
otherwise noted; TA = TMIN to TMAX, unless otherwise noted.)
Parameter
DYNAMIC PERFORMANCE
Signal to Noise + Distortion (SINAD)2
Signal to Noise Ratio (SNR)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
Channel-to-Channel Isolation
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity2
Differential Nonlinearity2
Offset Error2
Offset Error Match2
Gain Error2
Gain Error Match2
Total Unadjusted Error (TUE)2
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REFERENCE INPUT
REFIN Input Voltage Range
DC Leakage Current
Input Capacitance
Input Impedance
LOGIC INPUTS (SDA, SCL, CONVST)
Input High Voltage, VINH
Input Low Voltage, VINL
Input Leakage Current, IIN
Input Capacitance, CIN2,3
Input Hysteresis, VHYST
LOGIC INPUT (CONVST)
Input High Voltage, VINH
Input Low Voltage, VINL
Input Leakage Current, IIN
Input Capacitance, CIN2,3
LOGIC OUTPUTS (OPEN DRAIN)
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance2,3
Output Coding
B Version1
Units
61
TBD
-73
-74
-78
-78
10
10
TBD
TBD
TBD
dB min
dB min
dB typ
dB typ
dB typ
dB typ
ns max
ps typ
dB typ
kHz typ
kHz typ
10
±1
±0.6
±0.9
±1
±0.5
±1
±0.5
±1
Bits
LSB max
LSB typ
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
0 to REFIN
±1
30
Volts
µA max
pF typ
TBD/TBD
±1
TBD
TBD
V min/Vmax
µA max
pF max
k⍀ typ
0.7(VDD)
0.3(VDD)
±1
10
TBD
V min
V max
µA max
pF max
V min
2.4
V min
2.0
V min
0.8
V max
0.4
V max
±1
µA max
10
pF max
0.4
V max
0.6
V max
±1
µA max
TBD
pF max
Straight (Natural) Binary
.
Test Conditions/Comments
FIN = 10kHz Sine Wave
fa = TBD kHz, fb = TBD kHz
FIN = TBD kHz
@ 3 dB
@ 0.1 dB
Guaranteed No Missed Codes to 10
Bits.
VIN = 0 V or VDD
VDD = 5V
VDD = 3 V
VDD = 5V
VDD = 3V
VIN = 0 V or VDD
ISINK = 3mA
ISINK = 6mA
–4–
REV. PrF
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