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AD7823YN 数据表(PDF) 2 Page - Analog Devices

部件名 AD7823YN
功能描述  2.7 V to 5.5 V, 4.5 us, 8-Bit ADC in 8-Lead microSOIC/DIP
PDF  11 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7823YN 数据表(HTML) 2 Page - Analog Devices

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–2–
REV. B
AD7823–SPECIFICATIONS
Parameter
Y Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 30 kHz, fSAMPLE = 133 kHz
Signal to (Noise + Distortion) Ratio
1, 2
48
dB min
Total Harmonic Distortion
1
–70
dB typ
Peak Harmonic or Spurious Noise
1
–70
dB typ
Intermodulation Distortion
2
fa = 48 kHz, fb = 48.5 kHz
2nd Order Terms
–77
dB typ
3rd Order Terms
–77
dB typ
DC ACCURACY
Resolution
8
Bits
Relative Accuracy
1
±0.5
LSB max
Differential Nonlinearity (DNL)
1
±0.5
LSB max
Gain Error
1
±1LSB max
Offset Error
1
±1LSB max
Total Unadjusted Error
1
±1LSB max
Minimum Resolution for Which
No Missing Codes Are Guaranteed
8
Bits
ANALOG INPUT
Input Voltage Range
0
V min
VREF
V max
Input Leakage Current
2
±1
µA max
Input Capacitance
2
15
pF max
REFERENCE INPUTS
2
VREF Input Voltage Range
1.2
V min
VDD
V max
Input Leakage Current
±1
µA max
Input Capacitance
20
pF max
LOGIC INPUTS
2
VINH, Input High Voltage
2.0
V min
VINL, Input Low Voltage
0.4
V max
Input Current, IIN
±1
µA max
Typically 10 nA, VIN = 0 V to VDD
Input Capacitance, CIN
8
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
2.4
V min
ISOURCE = 200
µA
Output Low Voltage, VOL
0.4
V max
ISINK = 200
µA
High Impedance Leakage Current
±1
µA max
High Impedance Capacitance
15
pF max
CONVERSION RATE
Conversion Time
4
µs typ
Track/Hold Acquisition Time
1
100
ns max
See DC Acquisition Section
POWER SUPPLY
VDD
2.7–5.5
Volts
For Specified Performance
IDD
3.5
mA max
Sampling at 133 kSPS and Logic
Inputs @ VDD or 0 V. VDD = 5 V
Power Dissipation
17.5
mW max
Nominal Supplies
Power-Down Mode
IDD
1
µA max
Power Dissipation
5
µW max
Nominal Supplies
Automatic Power Down
VDD = 3 V
1 kSPS Throughput
54
µW max
10 kSPS Throughput
540
µW max
50 kSPS Throughput
2.7
mW max
NOTES
1See Terminology.
2Sample tested during initial release and after any redesign or process change that may affect this parameter.
Specifications subject to change without notice.
(GND = 0 V, VREF = +VDD. All specifications –40 C to +125 C unless otherwise noted.)



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