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ADC12451 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # ADC12451
Description  Dynamically-Tested Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold
PDF  18 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

ADC12451 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Converter Electrical Characteristics (Continued)
The following specifications apply for VCC e DVCC e AVCC ea50V Vb eb50V VREF ea50V using S H input for
conversion control and fCLK e 35 MHz unless otherwise specified Boldface limits apply for TA e TJ e TMIN to TMAX all
other limits TA e TJ e 25 C (Notes 6 7 and 8)
Symbol
Parameter
Conditions
Typical
Limit
Units
(Note 9) (Note 10 19)
(Limit)
DYNAMIC CHARACTERISTICS
(Continued)
SN
Unipolar Signal to Noise Ratio (Note 17)
fIN e 1 kHz VIN e 485 Vp-p
73
dB
fIN e 10 kHz VIN e 485 Vp-p
73
dB
fIN e 2067 kHz VIN e 485 Vp-p
73
687
dB(min)
THD
Bipolar Total Harmonic Distortion (Note 17)
fIN e 1 kHz VIN e g485V
b
82
dB
fIN e 2067 kHz VIN e g485V
b
80
b
780
dB(max)
THD
Unipolar Total Harmonic Distortion (Note 17)
fIN e 1 kHz VIN e 485 Vp-p
b
82
dB
fIN e 2067 kHz VIN e 485 Vp-p
b
80
b
731
dB(max)
Bipolar Peak Harmonic or Spurious Noise
fIN e 1 kHz VIN e g485V
b
88
dB
(Note 17)
fIN e 10 kHz VIN e g485V
b
84
dB
fIN e 20 kHz VIN e g485V
b
80
dB
Unipolar Peak Harmonic or Spurious Noise
fIN e 1 kHz VIN e 485 Vp-p
b
90
dB
(Note 17)
fIN e 10 kHz VIN e 485 Vp-p
b
86
dB
fIN e 20 kHz VIN e 485 Vp-p
b
82
dB
Bipolar Two Tone Intermodulation Distortion
VIN e g485V fIN1 e 19375 kHz
b
78
dB(max)
(Note 17)
fIN2 e 20 kHz
Unipolar Two Tone Intermodulation Distortion
VIN e 485 Vp-p fIN1 e 19375 kHz
b
78
dB(max)
(Note 17)
fIN2 e 20 kHz
b
3 dB Bipolar Full Power Bandwidth
VIN e g485V (Note 17)
25
2067
kHz(min)
b
3 dB Unipolar Full Power Bandwidth
VIN e 485 Vp-p (Note 17)
32
2067
kHz(min)
Aperture Time
100
ns
Aperture Jitter
100
psrms
3



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