CXA1645M Sony, CXA1645M Datasheet

no-image

CXA1645M

Manufacturer Part Number
CXA1645M
Description
RGB Encoder
Manufacturer
Sony
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CXA1645M
Manufacturer:
SONY
Quantity:
4 300
Part Number:
CXA1645M
Manufacturer:
SONY
Quantity:
4 300
Part Number:
CXA1645M
Manufacturer:
SONY/索尼
Quantity:
20 000
Part Number:
CXA1645M-T6
Manufacturer:
SONY
Quantity:
2 500
Part Number:
CXA1645M-T6
Manufacturer:
SONY/索尼
Quantity:
20 000
For the availability of this product, please contact the sales office.
Description
analog RGB signals to a composite video signal. This
IC has various pulse generators necessary for
encoding. Composite video outputs and Y/C outputs for
the S terminal are obtained just by inputting composite
sync, subcarrier and analog RGB signals.
computers and video games.
Features
• Single 5V power supply
• Compatible with both NTSC and PAL systems
• Built-in 75 drivers
• Both sine wave and pulse can be input as a
• Built-in band pass filter for the C signal and delay
• Built-in R-Y and B-Y modulator circuits
• Built-in PAL alternate circuit
• Burst flag generator circuit
• Half H killer circuit
Applications
computers
Block Diagram and Pin Configuration
The CXA1645P/M is an encoder IC that converts
It is best suited to image processing of personal
(RGB output, composite video output, Y output, C
output)
subcarrier.
line for the Y signal
Image processing of video games and personal
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
RGB Encoder
GND2
GND1
24
1
CLAMP
R-OUT
ROUT
RIN
23
2
CLAMP
G-OUT
GOUT
GIN
22
3
CLAMP
B-OUT
BOUT
BIN
21
4
CVOUT
NC
20
5
VIDEO
OUT
V
SCIN
19
CC
6
DELAY
2
SIN-PULSE
– 1 –
NPIN
Structure
Absolute Maximum Ratings
• Supply voltage
• Operating temperature Topr
• Storage temperature
• Allowable power
Recommended Operating Condition
FO
18
7
CLAMP
Bipolar silicon monolithic IC
dissipation
Supply voltage
CXA1645P/M
24 pin DIP (Plastic)
MIX
Y/C
SHIFTER
PHASE
YTRAP
BFOUT
17
8
SYNC
ADD
B-Y
Modulator
R-Y
Modulator
DRIVER
YCLPC
YOUT
16
75
9
PULSE
GEN
V
Tstg
P
V
DRIVER
SYNCIN
COUT
CC
D
CC
BPF
15
10
75
1, 2 5.0 ± 0.25
24 pin SOP (Plastic)
CXA1645P 1250 mW
CXA1645M
–65 to +150
–20 to +75
REGULATOR
V
14
11
NC
REF
14
E93411A41-ST
780 mW
V
I
13
12
REF
CC
1
°C
°C
V
V

Related parts for CXA1645M

CXA1645M Summary of contents

Page 1

... NC SCIN NPIN BFOUT – 1 – 24 pin SOP (Plastic –20 to +75 °C Tstg –65 to +150 °C P CXA1645P 1250 mW D CXA1645M 780 5.0 ± 0. YOUT COUT V I REF REF DRIVER DRIVER REGULATOR BPF PULSE ...

Page 2

Pin Description Pin Symbol Pin voltage No GND1 Black level RIN 2 when 3 GIN clamped BIN SCIN — NPIN 1. 3.6V 8 BFOUT 8 ...

Page 3

Pin Symbol Pin voltage No. 9 YCLPC 9 2.5V SYNC 2.0V REF 4.0V REF 14 Equivalent circuit 129 Pin to determine the Y ...

Page 4

Pin Symbol Pin voltage No. COUT 15 2.2V 15 Black level 16 YOUT 1.3V 16 Black level 17 17 YTRAP 1. 2.0V 18 Equivalent circuit 600µ Chroma signal output. Capable of driving ...

Page 5

Pin Symbol Pin voltage No 5.0V CC Black level CVOUT 20 1. BOUT 21 Black level 22 GOUT 22 1.7V 23 ROUT 23 24 GND2 0V Equivalent circuit Power supply for RGB, composite video and ...

Page 6

Electrical Characteristics (Ta = 25° RIN Item Symbol GIN BIN Current consumption 1 2V Current consumption 2 (R, G, BOUT) V (R) SG1 O RGB output V (G) SG2 O voltage SG3 ...

Page 7

S1 RIN Item Symbol GIN BIN (COUT & CVOUT) Burst level V (BN1/ chroma ratio R/BN1/2 R phase R1/2 G chroma ratio G/BN1/2 SG1 G phase to G1/2 SG3 B chroma ratio B/BN1/2 B phase B1/2 t Burst ...

Page 8

CXA1645P/M ...

Page 9

Measuring Signals and Output Waveforms SG4 SCIN SG5 64µs SYNC IN 4.5µs Fig. 1 SG1 to 3 RIN GIN BIN DEF point ROUT GOUT BOUT Fig. 2 SG1 to 3 RIN GIN BIN DEF BC point ROUT GOUT BOUT fc ...

Page 10

... Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. CV OUT OUT 220µ ...

Page 11

Description of Operation Analog RGB signals input from Pins 2, 3 and 4 are clamped in the clamping circuit and output from Pins 23, 22 and 21, respectively. The matrix circuit performs operations on each input signal, generating luminance signal ...

Page 12

Notes on Operation Be careful of the following when using the CXA1645P/M. 1. This IC is designed for image processing of personal computers and video games. When using the IC in other video devices, make thorough investigations on image quality. ...

Page 13

V pin (Pin 14) REF Do not connect this pin to an external load that might cause AC signals to flow, which will cause IC malfunctions. When connecting a DC load, make sure that the current flowing from this ...

Page 14

... Package Outline Unit: mm CXA1645P 24 1 SONY CODE EIAJ CODE JEDEC CODE CXA1645M 24 1 0.45 ± 0.1 SONY CODE EIAJ CODE JEDEC CODE 24PIN DIP (PLASTIC) 400mil + 0.4 30.2 – 0 2.54 0.5 ± 0.1 1.2 ± 0.15 PACKAGE STRUCTURE PACKAGE MATERIAL EPOXY RESIN LEAD TREATMENT SOLDER PLATING DIP-24P-01 LEAD MATERIAL ...

Related keywords