AN7293NFBQ datasheet(3/5 Pages) PANASONIC

3 / 5 page

ICs for FM/AM Tuner

AN7293NFBQ

s Electrical Characteristics at Ta = 25°C

Unless otherwise specified, VCC = 8V, VIN1 is f = 10.70 MHz, Mod. = 1 kHz, 30%

FM modulation stereo input is L

+ R = 90% V

P = 10%

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Control voltage (1)

VC1

Without signal input, pin 30 DC voltage

0.0

0.3

0.9

Control voltage (2)

VC2

VIN1 = 40 dBµ, pin 30 DC voltage

0.6

1.3

1.6

Control voltage (3)

VC3

VIN1 = 70 dBµ, pin 30 DC voltage

2.4

3.1

3.8

Control voltage (4)

VC4

VIN1 = 100 dBµ, pin 30 DC voltage

4.5

5.3

5.8

Control voltage (5)

VC5

VC5 = VC3 − VC2

1.8

2.0

2.2

Control voltage (6)

VC6

VC6 = VC4 − VC3

1.85

2.05

2.25

Output level L-channel

VOL

VIN1 = 70 dBµ, pin 6 AC voltage

105

125

mV[rms]

Output level R-channel

VOR

VIN1 = 70 dBµ, pin 5 AC voltage

105

125

mV[rms]

Channel balance

= 20·log (V

OL/VOR)

−1.0

1.0

Residual pilot voltage

VPC

VP = 10% modulation, VIN1 = 70 dBµ,



414

mV[rms]

pin 18 output voltage

Stereo lamp light up level

LAMPON 19 kHz modulation, Modulation factor

1.3

4.0

6.3

at which pin 19 becomes under 1 V

Separation L-channel

SepL

+R = 90%, V

P = 10%



Larger separation value after

Separation R-channel

SepR

changing over pin 3 external resistor



Capture range

Modulation at VP = 6.5%

±0.4

±0.7

%

Referred to 19 kHz

Counter output level (1)

VIF1

VIN1 = 100 dBµ, V20 = 2 V

135

155

175

mV[rms]

pin 19 output voltage

Counter output level (2)

VIF2

VIN1 = 100 dBµ, V20 = 5 V

mV[rms]

pin 19 output voltage

Monaural THD (L)

THDL

VIN2 monaural input, 500 mV[0-p]



0.1

0.3

1 kHz, L-ch. output distortion factor

Monaural THD (R)

THDR

VIN2 monaural input, 500 mV[0-p]



0.1

0.3

1 kHz, R-ch. output distortion factor

Stereo THD (L)

THDSTL

VIN2 stereo input, 500 mV[0-p]



0.1

0.3

1 kHz, L-ch. output distortion factor

Stereo THD (R)

THDSTR VIN2 stereo input, 500 mV[0-p]



0.1

0.3

1 kHz, R-ch. output distortion factor

PNL-AGC voltage (1)

VAGC1

VIN2 = Without input

1.2

1.4

1.7

pin 15 DC voltage

PNL-AGC voltage (2)

VAGC2

VIN2 = 100 mV, f = 100 kHz input

0.1

0.35

0.60

Difference from VAGC1

Residual noise voltage

VNR

VIN2 = (pulse width 10 µs, 1 V[p-p]

0.0

0.2

0.7

mV[rms]

1 kHz) L-ch. output

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