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Número de pieza | TDA4688 | |
Descripción | Video processor with automatic cut-off control | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TDA4688 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
No Preview Available ! INTEGRATED CIRCUITS
DATA SHEET
TDA4688
Video processor with automatic
cut-off control
Product specification
Supersedes data of July 1993
File under Integrated Circuits, IC02
1997 Jun 23
1 page Philips Semiconductors
Video processor with automatic cut-off control
Product specification
TDA4688
PINNING
SYMBOL PIN
DESCRIPTION
FSW2
R2
G2
B2
VP
−(B − Y)
−(R − Y)
Y
1 fast switch 2 input
2 red input 2
3 green input 2
4 blue input 2
5 supply voltage
6 colour difference input −(B − Y)
7 colour difference input −(R − Y)
8 luminance input
GND
9 ground
R1
G1
B1
FSW1
SC
10 red input 1
11 green input 1
12 blue input 1
13 fast switch 1 input
14 sandcastle pulse input
BCL 15 average beam current limiting input
CPDL
16 storage capacitor for peak drive
limiting
CL 17 storage capacitor for leakage current
VFB 18 vertical flyback pulse input
CI 19 cut-off measurement input
BO
CB
GO
CG
RO
CR
HUE
SDA
SCL
20 blue output
21 blue cut-off storage capacitor
22 green output
23 green cut-off storage capacitor
24 red output
25 red cut-off storage capacitor
26 hue control output
27 I2C-bus serial data input;
acknowledge output
28 I2C-bus serial clock input
handbook, halfpage
FSW2 1
28 SCL
R2 2
27 SDA
G2 3
26 HUE
B2 4
25 CR
VP 5
24 RO
−(B − Y) 6
23 CG
−(R − Y) 7
Y8
22 GO
TDA4688
21 CB
GND 9
20 BO
R1 10
19 CI
G1 11
18 VFB
B1 12
17 CL
FSW1 13
16 CPDL
SC 14
15 BCL
MED761
Fig.2 Pin configuration.
1997 Jun 23
5
5 Page Philips Semiconductors
Video processor with automatic cut-off control
Product specification
TDA4688
CHARACTERISTICS
All voltages are measured in test circuit of Fig.9 with respect to GND (pin 9); VP = 8.0 V; Tamb = 25 °C; nominal signal
amplitudes (black-to-white) at output pins 24, 22 and 20; nominal settings of brightness, contrast, saturation and white
level control; without beam current or peak drive limiting; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply (pin 5)
VP supply voltage
IP supply current
7.2 8.0
− 60
8.8 V
− mA
Colour difference inputs [−(B − Y): pin 6; −(R − Y): pin 7]
V6(p-p)
V7(p-p)
V6,7
I6,7
R6,7
−(B − Y) input (peak-to-peak value) notes 1 and 2
− 1.33 −
V
−(R − Y) input (peak-to-peak value) notes 1 and 2
− 1.05 −
V
internal DC bias voltage
at black level clamping −
4.1
−
V
input current
during line scan
−−
0.1 µA
at black level clamping 100 −
− µA
input resistance
10 −
− MΩ
Luminance/sync (VBS; Y: pin 8)
Vi(p-p)
luminance input voltage at pin 8
(peak-to-peak value)
note 2
− 0.45 −
V
V8(bias)
I8
R8
internal DC bias voltage
input current
input resistance
at black level clamping −
4.1
during line scan
−−
at black level clamping 100 −
10 −
−V
0.1 µA
− µA
− MΩ
RGB input 1 (R1: pin 10; G1: pin 11; B1: pin 12)
Vi(p-p)
input voltage at pins 10, 11 and 12
(peak-to-peak value)
note 2
− 0.7
−
V
V10/11/12(bias) internal DC bias voltage
I10/11/12 input current
at black level clamping −
5.7
during line scan
−−
at black level clamping 100 −
−V
0.1 µA
− µA
R10/11/12
input resistance
10 −
− MΩ
RGB input 2 (R2: pin 2, G2: pin 3, B2: pin 4)
Vi(p-p)
input voltage at pins 2, 3 and 4
(peak-to-peak value)
note 2
− 0.7
−
V
V2/3/4
I2/3/4
R2/3/4
internal DC bias voltage
input current
input resistance
at black level clamping −
5.7
during line scan
−−
at black level clamping 100 −
10 −
−V
0.1 µA
− µA
− MΩ
1997 Jun 23
11
11 Page |
Páginas | Total 24 Páginas | |
PDF Descargar | [ Datasheet TDA4688.PDF ] |
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