TDA8765HSLASH5 datasheet(9/20 Pages) PHILIPS

9 / 20 page

1999 Jan 06

Philips Semiconductors

Preliminary speciﬁcation

10-bit high-speed Analog-to-Digital

Converter (ADC)

TDA8765

HARMONICS (fCLK = 40 MHz)

Hfund(FS)

fundamental harmonics

(full scale)

fi = 4.43 MHz

−−

0dB

Htot(FS)

harmonics (full scale);

all components

fi = 4.43 MHz

second harmonic

−−75

−

third harmonic

−−70

−

THD

total harmonic distortion

fi = 4.43 MHz; note 4

−−66

−

THERMAL NOISE

Nth(rms)

thermal noise (RMS value)

grounded input;

fCLK = 40 MHz

−

0.2

tbf

LSB

SPURIOUS FREE DYNAMIC RANGE

DRsf

spurious free dynamic range

fi = 4.43 MHz

tbf

−

fi = 10 MHz

tbf

−

fi = 20 MHz

tbf

−

SIGNAL-TO-NOISE RATIO; note 5

S/N

signal-to-noise ratio

without harmonics;

fCLK = 40 MHz;

fi = 4.43 MHz

−

EFFECTIVE NUMBER OF BITS; see Figs 3 and 4 and note 5

Nbit

effective number of bits

TDA8765H/4

(fCLK = 40 MHz)

fi = 4.43 MHz

9.0

9.6

−

bits

fi =10MHz

−

9.6

−

bits

fi =15MHz

−

9.5

−

bits

effective number of bits

TDA8765H/5

(fCLK = 55 MHz)

fi = 4.43 MHz

−

9.6

−

bits

fi =10MHz

−

9.4

−

bits

fi =15MHz

−

9.3

−

bits

fi =20MHz

−

9.1

−

bits

INTERMODULATION; note 6

TTIR

two-tone intermodulation

rejection

fCLK = 40 MHz

tbf

−

third-order intermodulation

distortion

fCLK = 40 MHz

tbf

−

BIT ERROR RATE

BER

bit error rate

fCLK = 40 MHz;

fi = 4.43 MHz;

VI = ±16 LSB at code 511

−

10−15

tbf

times/

sample

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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