4

Video ICs

BA7182AS

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

〈Recording system〉 (Pin 15: L)

Quiescent current

Recording AGC level

AGC control sensitivity

AGC frequency characteristic

2nd harmonic distortion

3rd harmonic distortion

Cross modulation distortion

Maximum output level

Recording current load characteristic

Mute attenuation ratio

Frequency characteristic

AGC mode holding voltage

AGC mode holding voltage

PB mode holding voltage

EE mode holding voltage

REC mode holding voltage

No signal

Pin 8 output level difference for f = 4.0MHz,

Pin 8 output level difference for f = 8.0 / 1.0MHz,

guaranteed design value.

4.0MHz

± 630kHz spurious, guaranteed design value.

When pin 8 output 2nd harmonic distortion is – 30dB

Pin 8 output level difference for load L: 8.2 ~ 12

µH

Pin 8 output level difference for pin 15: M / H.

Pin 8 output level difference for f = 8.0 / 1.0MHz, AGC OFF

Pin 11 DC voltage to maintain recording AGC operation

Pin 11 DC voltage to maintain recording AGC stopped

Pin 15 DC voltage for PB mode

Pin 15 DC voltage for REC MUTE mode

Pin 15 DC voltage for REC mode

Measurement

circuit

72

108

mA

Fig.2

36

42

Fig.2

0.15

2

dB

Fig.2

0

2

dB

Fig.2

– 41

– 35

dBc

Fig.2

– 50

– 40

dBc

Fig.2

– 43

– 38

dBc

Fig.2

50

—

Fig.2

– 0.35

—

dB

Fig.2

– 44

– 38

dBc

Fig.2

– 7.8

– 10.3

dB

Fig.2

—

V

Fig.2

—

1.2

V

Fig.2

—

V

Fig.2

—

2.8

V

Fig.2

—

30

—

– 2

—

—

—

42

– 2

—

– 5.3

2.7

0

3.8

2.2

0

—

1.2

V

Fig.2