SAA7705H Ver la hoja de datos (PDF) - Philips Electronics

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SAA7705H

Car radio Digital Signal Processor (DSP)

Philips Electronics 

Philips Semiconductors

Car radio Digital Signal Processor (DSP)

Preliminary specification

SAA7705H

SYMBOL

PARAMETER

CONDITIONS

MIN.

S/NAM

THDTAPE

S/NTAPE

Vi(con)(max)(rms)

signal-to-noise ratio AM

inputs

total harmonic distortion

TAPE inputs

signal-to-noise ratio

TAPE inputs

maximum conversion

input level at analog

inputs (RMS value)

input signal at 1 kHz;

83

0 dB reference = 0.55 V (RMS);

bandwidth = 5 kHz

input signal 0.55 V (RMS) at −

1 kHz; bandwidth = 20 kHz;

−

input signal at 1 kHz;

81

0 dB reference = 0.55 V (RMS);

bandwidth = 20 kHz

THD < 1%

0.6

Analog outputs; Tamb = 25 °C; VDDA2 = 3.3 V; unless otherwise specified

(THD + N)/S total harmonic

output signal 0.72 V (RMS) at −

distortion-plus-noise to f = 1 kHz; RL > 5 kΩ (AC);

signal ratio

A-weighted

DR

dynamic range

output signal −60 dB at 1 kHz; 92

0 dB reference = 0.77 V (RMS);

A-weighted

DS

digital silence

output signal at

−

20 Hz to 17 kHz;

0 dB reference = 0.77 V (RMS);

A-weighted

Oscillator (fosc = 11.2896 MHz)

fxtal

crystal frequency

−

fclk(DSP)

clock frequency

−

DSP core

Note

1. FMRDS and FMMPX input sensitivity setting ‘000’ (see Table 17).

TYP. MAX. UNIT

88

−

dB

−80

−76

dB

0.01 0.016 %

83

−

dB

0.66

−

V

−75

−65

dBA

102

−

dBA

−108 −102 dBA

11.2896 −

27.1656 −

MHz

MHz

5 ORDERING INFORMATION

TYPE

NUMBER

SAA7705H

NAME

QFP80

PACKAGE

DESCRIPTION

plastic quad flat package; 80 leads (lead length 1.95 mm);

body 14 × 20 × 2.8 mm

VERSION

SOT318-2

1999 Aug 16

5

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