Datasheet AN5385K Datasheet (Panasonic)

ICs for TV

AN5385K

Contour correction IC

■ Overview

The AN5385K is an IC which conducts contour
correction for luminance signal and color differ­ence signal. It corresponds to all broadcasting sys­tems of PAL, NTSC and SECAM. Fewer external
parts enables the TV sets to be less cost and high
picture quality.

■ Features

•

Black side contour emphasis and white side shoot
elimination circuit are built in (for anti-blooming)

•

Transient correction of color difference signal
(color missing improvement)

•

Red gamma correction circuit built in

•

Wider band of signal processing (Y: 7 MHz/−3
dB, Color difference: 3 MHz/−3 dB)

•

Delay time is identical for both Y and color
difference.

•

Delay amount switch is built in

•

Delay line and coupling condenser built in

■ Applications

•

Color TV, wide TV

19.1±0.3

22 12

6.35±0.30

111

4.50±0.253.45±0.25

1.778

0.90±0.25

Seating plane

0.5±0.1

1.10±0.25

Unit: mm

7.62±0.25

3° to 15°

0.35

SDIP022-P-0300A

+0.10
– 0.05

■ Block Diagram

CC1

V

15

12

Y

U

C-pulse

V

IN

IN

IN

Sync chip

clamp

16

Pedestal

clamp

18

Pedestal

20

clamp

13

N.C.

17

21

CC2

V

N.C.

CC3

V

19

Delay line

Delay line

Delay line

Delay

switch

9

GND1

YDL

10

Correction

signal

generation

Delay line

Correction

signal

generation

Delay line

7

GND2

11

Correction signal
generation, white

side shoot erase

Delay line

5

GND3

YMCO

YMGA

14

8

Y

OUT

6

U

OUT

1

CTIG

POL

4

V

OUT

Red gamma

correction

22

VGA

2

3

VSL

1

AN5385K ICs for T V

■ Pin Descriptions

Pin No. Description

Pin No. Description

1 CTI control pin
2 Red gamma folding point control pin
3 V-polarity switch pin
4 V-signal output pin
5 GND3 (V)
6 U-signal output pin
7 GND2 (U)
8 Y-signal delay time switch pin

9 GND1 (Y)
10 Y-signal delay time switch pin
11 Signal VM coring control pin

12 Y-signal input pin
13 N.C.
14 Signal VM control pin
15 V

CC1

(Y)
16 U-signal input pin
17 V

CC2

(U)
18 Clamp pulse input pin
19 V

CC3

(V)
20 V-signal input pin
21 N.C.
22 Red gamma control pin

■ Absolute Maximum Ratings

Parameter Symbol Rating Unit

Supply voltage V
Supply current I

2

Power dissipation
Operating ambient temperature
Storage temperature

Note)*1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.

2: The power dissipation shown is the value for Ta = 70°C.

*

*

1

*

1

*

CC

CC

P

D

T

opr

T

stg

V

/ V

CC1

I
I
I

CC2

CC1

CC2

CC3

/ V

CC3

10.0 V

25.0 mA

25.0

25.0
750 mW

−20 to +70 °C

−55 to +150 °C

■ Recommended Operating Range

Parameter Symbol Range Unit

Supply voltage V

Note) On/off for V

Be careful for static electricity damage of pin 6.

CC1

/ V

CC2

and V

should be done simultaneously.

CC3

■ Electrical Characteristics at Ta = 25°C

Parameter Symbol Conditions Min Typ Max Unit

DC characteristics

Circuit current 1 I
Circuit current 2 I
Circuit current 3 I
Circuit voltage 1 V
Circuit voltage 2 V

2

CC1

CC2

CC3

3−5

4−5

CC1

V
V
V
V
V

/ V

CC1

CC1

CC1

CC1

CC1

CC2

= V
= V
= V
= V
= V

/ V

CC2

CC2

CC2

CC2

CC2

CC3

= V
= V
= V
= V
= V

8.1 to 9.9 V

= 9.0 V 11 14 17 mA

CC3

= 9.0 V 13 16 19 mA

CC3

= 9.0 V 14 17 20 mA

CC3

= 9.0 V 4.0 4.5 5.0 V

CC3

= 9.0 V 4.0 4.5 5.0 V

CC3

ICs for TV AN5385K

■ Electrical Characteristics at Ta = 25°C (continued)

Parameter Symbol Conditions Min Typ Max Unit

DC characteristics (continued)

Circuit voltage 3 V
Circuit voltage 4 V
Circuit voltage 5 V
Circuit voltage 6 V
Circuit voltage 7 V

Y-system

output gain G

Y

OUT

I/O delay time 11 T

I/O delay time 12 T

I/O delay time 21 T

I/O delay time 22 T

V

= V

= V

6−7

8−9

12−9

16−7

20−5

Y

CC1

CC2

V

= V

CC1

CC2

V

= V

CC1

CC2

V

= V

CC1

CC2

V

= V

CC1

CC2

YIN: 2 MHz, 1.0 V[p-p] Sine wave −2.0 0.0 2.0 dB

= 9.0 V 2.5 3.0 3.5 V

CC3

= V

= 9.0 V 5.0 5.5 6.0 V

CC3

= V

= 9.0 V 3.2 3.6 4.0 V

CC3

= V

= 9.0 V 5.4 6.0 6.6 V

CC3

= V

= 9.0 V 5.4 6.0 6.6 V

CC3

input, YDL = 9.0 V, VMCO = 2.0 V
VMGA = 2.0 V

YIN: 500 kHz, 0.3 V[p-p] Sine wave 200 280 360 ns

Y11

input, YDL = 0.0 V, VMCO = 2.0 V
VMGA = 2.0 V

YIN: 2 MHz, 0.3 V[p-p] Sine wave 200 280 360 ns

Y12

input, YDL = 0.0 V, VMCO = 2.0 V
VMGA = 2.0 V

YIN: 500 kHz, 0.3 V[p-p] Sine wave 500 600 700 ns

Y21

input, YDL = 9.0 V, VMCO = 2.0 V
VMGA = 2.0 V

YIN: 2 MHz, 0.3 V[p-p] Sine wave 500 600 700 ns

Y22

input, YDL = 9.0 V, VMCO = 2.0 V
VMGA = 2.0 V

Coring characteristics 1 e

Coring characteristics 2 ∆e

Signal VM characteristics 1 e

Signal VM characteristics 2 ∆e

Y

frequency characteristics 1 ∆A

OUT

Y

frequency characteristics 2 ∆A

OUT

YIN: 2 MHz, 0.2 V[p-p] Sine wave 0.2 2.3 4.4 dB

co1

input, YDL = 9.0 V, VMGA = 4.0 V
VMCO: 2.0 V

YIN: 2 MHz, 0.2V[p-p] Sin wave 0. 4 2.4 4.4 dB

co

input, YDL = 9.0 V, VMGA = 4.0 V
VMCO: 4.0 V

YIN: 2 MHz, 1.0 V[p-p] Sine wave 1.0 2.5 4.0 dB

VM1

input, YDL = 9.0 V, VMCO = 3.0 V
VMGA = 3.0 V

YIN: 2 MHz, 1.0 V[p-p] Sine wave 3.0 4.0 5.0 dB

VM

input, YDL = 9.0 V, VMCO = 3.0 V
VMGA = 4.0 V

Y

Y1

: Measure at 7 MHz point, −3.0 dB

OUT

0 dB: 1 MHz, YDL = 0.0 V
VMCO = 2.0 V, VMGA = 2.0 V

Y

Y2

: Measure at 7 MHz point, −3.0 dB

OUT

0 dB: 1 MHz, YDL = 9.0 V
VMCO = 2.0 V, VMGA = 2.0 V

3

AN5385K ICs for T V

■ Electrical Characteristics at Ta = 25°C (continued)

Parameter Symbol Conditions Min Typ Max Unit

U-system

output gain G

U

OUT

UIN: 500 kHz, 0.5 V[p-p] Sine wave 5.0 6.0 7.0 dB

U

input, C-pulse = 0 V, CTIG = 2.0 V

CTI characteristics 1 e

UCTI1UIN

: 500 kHz, 0.5 V[p-p] Sine wave 5.0 6.0 7.0 dB

input, C-pulse = 0 V, CTIG = 3.0 V

CTI characteristics 2 ∆e

UCTIUIN

: 500 kHz, 0.5 V[p-p] Sine wave 2.4 3.3 4.2 dB

input, C-pulse = 0 V, CTIG = 4.0 V

U

frequency characteristics ∆a

OUT

U

U

: Measure at 3 MHz point, −3.0 dB

OUT

   0 dB: 500 kHz, C-pulse = 0 V

CTIG = 2.0 V

V-system

V

output gain G

OUT

VIN: 500 kHz, 0.5 V[p-p] Sine 4.9 6.0 7.1 dB

V

   wave input, C-pulse = 0 V

CTIG = 2.0 V, VGA = 3.0 V
VSL = 5.0 V, POL = 9.0 V

CTI characteristics 3 e

VCTI3VIN

: 500 kHz, 0.5 V[p-p] Sine 4.7 5.7 6.7 dB

   wave input, C-pulse = 0 V

CTIG = 3.0 V, VGA = 3.0 V
VSL = 5.0 V, POL = 9.0 V

CTI characteristics 4 ∆e

VCTIVIN

: 500 kHz, 0.5 V[p-p] Sine 1.7 2.6 3.5 dB

   wave input, C-pulse = 0 V,

CTIG = 4.0 V, VGA = 3.0 V
VSL = 5.0 V, POL = 9.0 V

V

frequency characteristics ∆a

OUT

V

V

: Measure at 3 MHz point, −3.0 dB

OUT

   0 dB: 500 kHz, C-pulse = 0 V

CTIG = 2.0 V, VGA = 3.0 V
VSL = 5.0 V, POL = 9.0 V

YU relative delay time T

YIN: 500 kHz, 1.0 V[p-p], UIN: −63780 ns

YU

   500 kHz, 0.5 V[p-p], YDL = 9.0 V

VMCO = 2.0 V, VMGA = 2.0 V
C-pulse = 0.0 V, CTIG = 2.0 V

YV relative delay time T

   V

YIN: 500 kHz, 1.0 V[p-p] −16 27 70 ns

YV

: 500 kHz, 0.5 V[p-p]

IN

YDL = 9.0 V, VMCO = 2.0 V
VMGA = 2.0 V, CTIG = 2.0 V
C-pulse = 0.0 V, VGA = 3.0 V
VSL = 5.0 V, POL = 9.0 V

UV relative delay time T

UIN: 500 kHz, 0.5 V[p-p], −96 −10 76 ns

UV

VIN: 500 kHz, 0.5 V[p-p],
CTIG = 2.0 V, C-pulse = 0.0 V
VGA = 3.0 V, VSL = 5.0 V
POL = 9.0 V

4

ICs for TV AN5385K

■ Electrical Characteristics at Ta = 25°C (continued)

Parameter Symbol Conditions Min Typ Max Unit

V-system (continued)

Red gamma e

VGS11VIN

: 500 kHz, 0.5 V[p-p] Sine wave −3.6 0.0 3.6 dB

bending point variation 11 input, C-pulse = 0 V, CTIG = 3.0 V

VGA = 5.0 V, VSL = 3.0 V
POL = 9.0 V

Red gamma ∆e

VGS1VIN

: 500 kHz, 0.5 V[p-p] Sine wave 2.5 6.0 9.5 dB

bending point variation 12 input, C-pulse = 0 V, CTIG = 3.0 V

VGA = 5.0 V, VSL = 5.0 V
POL = 9.0 V

Red gamma e

VGS21VIN

: 500 kHz, 0.5 V[p-p] Sine wave −3.6 0.0 3.6 dB

bending point variation 21 input, C-pulse = 0 V, CTIG = 3.0 V

VGA = 5.0 V, VSL = 3.0 V
POL = 0.0 V

Red gamma ∆e

VGS2VIN

: 500 kHz, 0.5 V[p-p] Sine wave 1.5 5.0 8.5 dB

bending point variation 22 input, C-pulse = 0 V, CTIG = 3.0 V

VGA = 5.0 V, VSL = 5.0 V
POL = 0.0 V

Red gamma control 11 e

VGE11VIN

: 500 kHz, 0.5 V[p-p] Sine wave 4.5 5.5 6.5 dB

input, C-pulse = 0 V, CTIG = 3.0 V
VGA = 3.0 V, VSL = 3.0 V
POL = 9.0 V

Red gamma control 12 ∆e

VGE1VIN

: 500 kHz, 0.5 V[p-p] Sine wave 2.5 6.0 9.5 dB

input, C-pulse = 0 V, CTIG = 3.0 V
VGA = 5.0 V, VSL = 3.0 V
POL = 9.0 V

Red gamma control 21 e

VGE21VIN

: 500 kHz, 0.5 V[p-p] Sine wave 4.5 5.5 6.5 dB

input, C-pulse = 0 V, CTIG = 3.0 V
VGA = 3.0 V, VSL = 3.0 V
POL = 0.0 V

Red gamma control 22 ∆e

VGE2VIN

: 500 kHz, 0.5 V[p-p] Sine wave 1.5 5.0 8.5 dB

input, C-pulse = 0 V, CTIG = 3.0 V
VGA = 5.0 V, VSL = 3.0 V
POL = 0.0 V

• Design reference data

Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.

Parameter Symbol Conditions Min Typ Max Unit

Y

supply voltage variation ∆e

OUT

Output DC level difference between 0.8 1.2 1.6 V

YIVcc

VCC (max.) and VCC (min.)

U

supply voltage variation ∆e

OUT

Output DC level difference between 0.4 0.8 1.2 V

UIVcc

VCC (max.) and VCC (min.)

V

supply voltage variation ∆e

OUT

Output DC level difference between 0.4 0.8 1.2 V

VIVcc

VCC (max.) and VCC (min.)

5

AN5385K ICs for T V

■ Terminal Equivalent Circuits

Pin No. Equivalent circuit Description

1 CTI control pin:

9V(V

)

CC3

1

U-system V-system

3 V 3 V

16 kΩ

16 kΩ

16 kΩ

• Varies the CTI correction gain

2 V: Correction off
3 V: Correction amount center (approx. 6 dB)
4 V: Correction amount maximum (approx. 12 dB)

16 kΩ

50 µA

50 µA

• Recommended use range: 2 V to 4 V

2 Red gamma folding point control pin:

9 V (V

CC3

2

)

50 µA

20 kΩ 20 kΩ

• Varies the red gamma correction slice level

3 V: The folding point comes closest to the pedestal
5 V: The folding point is kept farthest from the

pedestal

4 V

• Recommended use range: 3 V to 5 V

3 V-polarity changeover pin:

9 V (V

)

CC3

50 µA

50 µA

• Changes over the input/output polarity of V-signal

Threshold value: 4.5 V
0 V: negative polarity

3

20 kΩ160 kΩ

3.8 V

9 V: positive polarity

4 V-signal output pin:

9 V (V

)

CC3

50 µA

4

50 µA

• To output the V-signal in which a correction signal

has been added to V-signal (R−Y) input from pin 20

• Output level: 1.0 V[p-p]
(where, 0.5 V[p-p] of U-signal input)

6

ICs for TV AN5385K

■ Terminal Equivalent Circuits (continued)

Pin No. Equivalent circuit Description

5  GND3 pin:

• GND pin of V-system

6 U-signal output pin:

50 µA

6

9 V (V

CC2

)

• To output U-signal output in which a correction
signal has been added to U-signal (B−Y) input from
pin 16

50 µA

• Output level: 1.0 V[p-p]
(where, 0.5 V[p-p] of U-signal input)

7  GND2 pin:

• GND pin of U-system

8 Y-signal output pin:

• To output Y-signal in which a correction signal has

)

been added to the Y-signal inputted from pin 12

50 µA

9 V (V

CC1

8

• Output level: Synchronous negative 1.0 V[p-p]

50 µA

(where, 1.0 V[p-p] of Y-signal input)

9  GND1 pin:

• Y-system GND pin

9 V (V

)

10 Y-signal delay time changeover pin:

CC1

• Changes over Y-signal delay time

10

100 kΩ

Threshold voltage: 0.7 V
9 V: Total 600 ns delay
0 V: Total 280 ns delay

11 Signal VM coring control pin:

9 V (V

CC3

)

• To control VM signal coring volume

2 V: No coring

11

20 kΩ

3 V

20 kΩ

50 µA

4 V: Maximum coring (approx. 8%)

• Recommended usable range: 2 V to 4 V

7

AN5385K ICs for T V

■ Terminal Equivalent Circuits (continued)

Pin No. Equivalent circuit Description

12 Y-signal output pin:

9 V (V

CC1

)

• To input video brightness signal

4.2 V

12

50 µA

• Input level:

10 µA

Synchronous negative: 1.0 V[p-p]

• Recommended use method:

Add a coupling capacitor (2.2 µ) to the input
signal in series.

13  N.C. pin:

• Ground

14 Signal VM control pin:

9 V (V

CC1

)

• To control correction gain of signal VM

2 V: correction off

14

16 kΩ

16 kΩ

50 µA

3 V

4 V: Maximum correction (approx. 6 dB)

• Recommended use range: 2 V to 4 V

15 Power supply pin (Y-system):

15

Operating supply voltage range:

9 V (allowance: ±10%)

16 U-signal input pin:

9 V (V

CC2

)

• To input the U-signal (B−Y) of color difference.

500 Ω500 Ω

16

CLP

25 µA

• Input level: 0.5 V[p-p]

17 Power supply pin (U-system):

17

Operating supply voltage range:

9 V (allowance: ±10%)

8

ICs for TV AN5385K

■ Terminal Equivalent Circuits (continued)

Pin No. Equivalent circuit Description

18 Clamp pulse input pin:

19 Power supply pin (V-system):

9 V (V

18

CC2

)

50 µA

• To input a clamp pulse. Input SCP or H-sync
signal of 0 V to 5 V

SCP H-sync signal

3.5 V

4.7 V

2.4 V

Threshold voltage: 3.5 V

5.0 V

19

Operating power supply range:

9 V (allowance: ±10%)

20 V-signal input pin:

9 V (V

20

CC2

)

• To input the V-signal (R−Y) of color difference

500 Ω500 Ω

CLP

25 µA

• Input level: 0.5 V[p-p]

21  N.C. pin:

• Ground

22 Red gamma control pin:

9 V (V

CC3

)

50 µA

20 kΩ 20 kΩ

• To control correction gain of red gamma

3 V: Off

22

4 V

5 V: Maximum

• Recommended use range: 3 V to 5 V

9