Panasonic AN5790N Datasheet

ICs for TV

■ Overview

The AN5790N and AN5792 are the intergrated circuits
designed for CRT display horizontal signal processing cir­cuits.

■ Features

•

Horizontal synchronous signal is available in both polar-

ities.

•

Wide range of horizontal osciallation frequency : 14kHz

to 60kHz.

•

Output pulse width : 2µs to 40µs

•

Package

AN5790N...NF-12S(12-Pin SIL plastic package)

AN5792...F-12S (12-Pin SIL plastic package with fin)

AN5790N, AN5792

Horizontal Signal Processing ICs for CRT Display

1

2

3

4

5

6

7

8

9

10

11

12

1.7±0.25

2.54 1.2±0.25

7.9±0.3

3.5±0.25

1.2±0.25

0.5±0.1

0.45

+ 0.1
– 0.05

1.7±0.25

Unit : mm

29.4±0.3

12-Pin SIL Plastic Package (12-SIP)

AN5790N

■ Block Diagram

1

2

3

4

5

6

7

8

9

10

11

12

ø3.3

1.7±0.25

2.54 1.2±0.25

5.8±0.25

7.9±0.3

3.5±0.25

1.2±0.25

0.5±0.1

29.4±0.3

0.45

+ 0.1

– 0.05

1.7±0.25

28.0±0.3

AN5792

12-Pin SIL Plastic Package with Fin (12-SIF (f))

Unit : mm

V

6 5

1

2

Polarity
Switch

AFC Hor. Osc.

X-ray
Protector

CC

Pre-Amp.

PulseWidth
Adjustment

8

GND

7

109111243

ICs for TV

AN5790N, AN5792

Parameter Symbol Rating Unit

V

CC

I

CC

P

D

T

opr

T

stg

Power dissipation

Supply current

Supply voltage

Operating ambient temperature

Storage temperature

Temperature

13.2

1140

– 20 to +70

– 40 to +150

V

mW

˚C
˚C

mA

50

■ Absolute Maximum Ratings (Ta= 25˚C)

V

2-7

V

2-7

Positive polarity signal input
Negative polarity signal input

Total circuit current
Polarity switching voltage (1)
Polarity switching voltage (2)

0

2.5

0.4

5.5

V
V

Parameter minCondition typ max UnitSymbol

V

OSC-S (H)

fHO=12kHz to 19kHz

Horizonal oscillation start voltage

7.5 V

f

HO (1)

VCC=11V, C= 4400pF

Horizonal oscillation frequency

15 15.75 16.5 kHz

f

HO (2)

VCC=11V, C= 820pF, 5600pF 14 60 kHz

I

tot

VCC=11V 30 45 60 mA

∆fHO/V

CC

fHO=15.75kHz, f

HO

| 9.9V– f

HC

| 12.1V

f

HO

supply voltage dependency

40 130 Hz

∆fHO/Ta

f

HO

=15.75kHz, f

HO

| –20˚C – f

HC

| 60˚C 260 Hz

β

∆I

O

= ±25µA

Oscillation frequency control sensitivity

16 17.6 19.3 Hz/µA

f

DC

µ × β

DC loop gain

700 Hz/µs

τ

HO (1)

VCC=11V, R= 20kΩ, C= 6800pF

Output pulse width

17.8 19.4 21.2 µs

τ

HO (2)

VCC=

11V, R=20kΩ, C=330pF, 18000pF

Output pulse width

240µs

∆τ HO/V

CC

VCC= 9.9V to 12.1V

Output pulse width variation to supply voltage change

5%

∆τ HO/Ta

V

CC

=11V, Ta= – 20˚C to + 60˚C

Output pulse width variation to temeprature change

5%

V

8-7

VCC=11V, V

10-7

=1V

Oscillation output saturation voltage

2V

I

8-7

VCC=11V, V

10-7

=1V

Oscillation output drive current

300 mA

V

6-7

VCC=11V

X-ray protecting circuit operation start voltage

0.5 0.64 0.75 V

Horizonal oscillation frequency

fHO ambient temperature dependency

■ Electrical Characteristics (Ta= 25˚C)

■ Application Circuit

27kΩ

+
–

4.7µF

VCC (11V)

AN5790N/AN5792

+
–

+
–

20kΩ

2kΩ

2.7kΩ

33kΩ

39pF

2700pF
(Styrol Cap.)

2700pF
(Mylar Film Cap.)

Output

Hor. Sync. Signal

FBK Pulse Input

3.3kΩ

0.033µF

0.018µF 0.015µF

220µF/16V

33µF/50V

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