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参数资料
| 型号： | 5962-9475502MPX |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP8 |
| 封装： | GLASS SEALED, CERDIP-8 |
| 文件页数： | 7/14页 |
| 文件大小： | 349K |
| 代理商： | 5962-9475502MPX |
AD7893–SPECIFICATIONS
AB
S
Parameter
Versions
l
Versions
Version
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to (Noise + Distortion) Ratio
2
@ +25
°C
70
dB min
fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
Total Harmonic Distortion (THD)
2
–80
dB max
fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
Peak Harmonic or Spurious Noise
2
–80
dB max
fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
Intermodulation Distortion (IMD)
2
fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 117 kHz
2nd Order Terms
–80
dB max
3rd Order Terms
–80
dB max
DC ACCURACY
Resolution
12
Bits
Minimum Resolution for which
No Missing Codes are Guaranteed
12
Bits
Relative Accuracy
2
±1
±1/2
±1
LSB max
Differential Nonlinearity
2
±1
LSB max
Positive Full-Scale Error
2
±3
±1.5
±3
LSB max
AD7893-2, AD7893-5
Unipolar Offset Error
±4
±3
±4
LSB max
AD7893-10, AD7893-3
Negative Full-Scale Error
2
±3
±1.5
±3
LSB max
Bipolar Zero Error
±4
±2
±4
LSB max
ANALOG INPUT
AD7893-10
Input Voltage Range
±10
Volts
Input Resistance
16
k
min
AD7893-3
Input Voltage Range
±2.5
Volts
Input Resistance
4
k
min
AD7893-5
Input Voltage Range
0 to +5
Volts
Input Resistance
9
k
min
AD7893-2
Input Voltage Range
0 to +2.5
Volts
Input Current
500
nA max
REFERENCE INPUT
REF IN Input Voltage Range
2.375/2.625
V min/V max 2.5 V
± 5%
Input Current
2
10
A max
Input Capacitance
3
10
pF max
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
VDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V ± 5%
Input Current, IIN
±10
A max
VIN = 0 V to VDD
Input Capacitance, CIN
3
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
4.0
V min
ISOURCE = 200 A
Output Low Voltage, VOL
0.4
V max
ISINK = 1.6 mA
Output Coding
AD7893-10, AD7893-3
2s Complement
AD7893-2, AD7893-5
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
6
s max
Track/Hold Acquisition Time
2
1.5
s max
POWER REQUIREMENTS
VDD
+5
V nom
±5% for Specified Performance
IDD
9
mA max
Power Dissipation
45
mW max
Typically 25 mW
NOTES
1Temperature Ranges are as follows: A, B Versions: –40
°C to +85°C, S Version: –55°C to +125°C.
2See Terminology.
3Sample tested @ +25
°C to ensure compliance.
Specifications subject to change without notice.
REV. E
–2–
(VDD = +5 V, AGND = DGND = 0 V, REF IN = +2.5 V. All specifications TMIN to TMAX unless
otherwise noted.)
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