TDA7580

12/31

OSCILLATOR CHARACTERISTICS

Notes: 1. The accuracy of this figure only depends on the quartz frequency precision: high stability oscillator

QUARTZ CHARACTERISTICS

DSP CORE

FM STEREO DECODER CHARACTERISTICS

Supply

with quartz in FM mode

11

14

17

mA

Supply

5

mA

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Oscillator Frequency (XTI/XTO)

74.1

MHz

Oscillator Frequency (XTI/XTO)

74.106

MHz

Parameter Name

Parameter Value

Temperature range

-55°C ÷ +125°C

Adjustment tolerance (@ 25°C ± 3°C)

+/-20ppm

Frequency stability (-20°C ÷ +70°C)

+/-50ppm

Aging @ 25°C

5ppm/year

Shunt (static) capacitance (Co)

<6pF

Packages (holders)

UM-1; HC-52U; HC-35; HC-48U; HC-49U; HC-50U; HC-51U

Mode of oscillation

Resonance resistance (ESR)

<35ohm

Oscillation Frequency (without external load)

≥74108000 Hz

Oscillation Frequency (12pF parallel load)

target 74.1MHz

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Maximum DSP clock frequency

At 1.7V Core Power Supply and

125°C junction temperature

81.5

MHz

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

a_ch

Channel Separation

50

dB

THD

Total Harmonic Distortion

0.02

%

(S+N)/N

Signal plus Noise to Noise ratio

80

dB

CURRENT CONSUMPTION (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit