AD7893AN-5 Ver la hoja de datos (PDF) - Analog Devices
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AD7893AN-5 Datasheet PDF : 13 Pages
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AD7893–SPECIFICATIONS (VDD = +5 V, AGND = DGND = 0 V, REF IN = +2.5 V. All specifications TMIN to TMAX unless
otherwise noted.)
Parameter
A
Versionsl
B
Versions
S
Version
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to (Noise + Distortion) Ratio2
@ +25°C
70
Total Harmonic Distortion (THD)2 –80
Peak Harmonic or Spurious Noise2 –80
Intermodulation Distortion (IMD)2
2nd Order Terms
–80
3rd Order Terms
–80
70
70
dB min
fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
–80
–80
dB max
fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
–80
–80
dB max
fIN = 10 kHz Sine Wave, fSAMPLE = 117 kHz
fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 117 kHz
–80
–80
dB max
–80
–80
dB max
DC ACCURACY
Resolution
12
Minimum Resolution for which
No Missing Codes are Guaranteed 12
Relative Accuracy2
±1
Differential Nonlinearity2
±1
Positive Full-Scale Error2
±3
AD7893-2, AD7893-5
Unipolar Offset Error
±4
AD7893-10, AD7893-3
Negative Full-Scale Error2
±3
Bipolar Zero Error
±4
12
12
12
12
± 1/2
±1
±1
±1
± 1.5
±3
±3
±4
± 1.5
±3
±2
±4
Bits
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
ANALOG INPUT
AD7893-10
Input Voltage Range
Input Resistance
AD7893-3
Input Voltage Range
Input Resistance
AD7893-5
Input Voltage Range
Input Resistance
AD7893-2
Input Voltage Range
Input Current
± 10
16
± 2.5
4
0 to +5
9
0 to +2.5
500
± 10
16
± 2.5
4
0 to +5
9
0 to +2.5
500
± 10
16
± 2.5
4
0 to +5
9
0 to +2.5
500
Volts
kΩ min
Volts
kΩ min
Volts
kΩ min
Volts
nA max
REFERENCE INPUT
REF IN Input Voltage Range
Input Current
Input Capacitance3
2.375/2.625 2.375/2.625 2.375/2.625 V min/V max 2.5 V ± 5%
2
2
10
µA max
10
10
10
pF max
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Output Coding
AD7893-10, AD7893-3
AD7893-2, AD7893-5
2.4
2.4
2.4
0.8
0.8
0.8
± 10
± 10
± 10
10
10
10
4.0
4.0
4.0
0.4
0.4
0.4
2s Complement
Straight (Natural) Binary
V min
V max
µA max
pF max
V min
V max
VDD = 5 V ± 5%
VDD = 5 V ± 5%
VIN = 0 V to VDD
ISOURCE = 200 µA
ISINK = 1.6 mA
CONVERSION RATE
Conversion Time
6
Track/Hold Acquisition Time2
1.5
6
6
µs max
1.5
1.5
µs max
POWER REQUIREMENTS
VDD
IDD
Power Dissipation
+5
+5
+5
V nom
± 5% for Specified Performance
9
9
9
mA max
45
45
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.
–2–
REV. E
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