LM12438CIWM datasheet(21/80 Pages) NSC

Part #	LM12438CIWM

Description	Sign Data Acquisition System with Serial I/O and Self-Calibration

PDF	80 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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21 / 80 page

40 Typical Performance Characteristics (Continued)

The following curves apply for 12-bit a sign mode after auto-calibration unless otherwise specified

RS e 50X TA e 25 C VAa e VDa e 5V VREF e 4096V fCLK e 8 MHz fSCLK e 10 MHz VIN e 4096V

x0 dB

Sampling Rate e 1333 kHz

vs Input Frequency

Unipolar Signal-to-Noise Ratio

vs Input Frequency

Distortion

Unipolar Signal-to-Noise

vs Input Frequency

Harmonic Distortion

Unipolar Total

vs Input Frequency

Dynamic Range

Unipolar Spurious Free

Sine Wave at 0 dB

with 1025 kHz

Unipolar Spectral Response

Sine Wave at 0 dB

with 10010 kHz

Unipolar Spectral Response

Sine Wave at 0 dB

with 40283 kHz

Unipolar Spectral Response

Sine Wave at b05 dB

with 40283 kHz

Unipolar Spectral Response

Sine Wave at b10 dB

with 40283 kHz

Unipolar Spectral Response

with 62256 kHz

Unipolar Spectral Response

Sine Wave at 0 dB

TLH11879 – 17

Unipolar Two Tone Spectral

Response with f1 e 19190 kHz and

f2 e 19482 kHz Sine Wave

TLH11879 – 24

LM12438CIWM Datasheet(PDF) 21 Page - National Semiconductor (TI)