LA8608 datasheet(2/14 Pages) SANYO

2 / 14 page

Operating Characteristics at Ta=25 °C, VCC =3 V, fC = 21.7 MHz, fmod = 1 kHz, dev = ±3 kHz

Parameter

Symbol

Output

min

typ

max

Unit

Quiescent current

Icco

No input

2.8

3.8

–3 dB limiting sensitivity

–3dBL.S.

–3 dB

dBµ

Demodulation output

Vin = 80 dBµ

115

170

230

mVrms

S/N ratio

S/N(1)

Vin = 80 dBµ, Non-modulation

S/N(2)

Vin = 20 dBµ, Non-modulation

AM rejection ratio

AMR

Vin = 80 dBµ, AM 30% modulation

Total harmonic distortion

THD

Vin = 80 dBµ

0.7

2.0

Noise detection output

VND(1)

Vin = 10 dBµ, VCC = 2.1 V

1.9

VND(2)

Vin = 10 dBµ, VCC = 3.0 V

1.6

2.2

2.8

VND(3)

Vin = 10 dBµ, VCC = 5.0 V

2.3

VND(4)

Vin = 30 dBµ

0.1

Schmitt trigger level

dBµ

Schmitt hysteresis

SHhy

Schmitt output level

VSH(1)

Vin = 13 dBµ

0.5

VSH(2)

Vin = 26 dBµ

2.8

Signal meter output

VSM(1)

Vin = 5 dBµ

0.1

0.3

VSM(2)

Vin = 50 dBµ

0.8

1.1

1.4

VSM(3)

Vin = 80 dBµ

1.3

1.6

2.0

Comparator output

VCOMP(1)

V9 = 1.5 V

2.8

VCOMP(2)

V9 = 0.9 V

0.5

Mixer conversion gain

Mixer input frequency

MHz

Mixer input resistance

3.6

Ω

Mixer output resistance

1.8

Ω

IF input resistance

1.8

Ω

FM detection output impedance

2.4

Ω

LA8608V

No.4077 - 2/14

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