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Número de pieza | CXA2153 | |
Descripción | Preamplifier for High Resolution Computer Display | |
Fabricantes | Sony Corporation | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de CXA2153 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
No Preview Available ! CXA2153S
Preamplifier for High Resolution Computer Display
Description
The CXA2153S is a bipolar IC developed for high
resolution computer displays.
30 pin SDIP (Plastic)
Features
• Built-in wide-band amplifier: 180MHz@–3dB (Typ.)
• Input dynamic range: 1.0Vp-p (Typ.)
• High gain preamplifier (15dB)
• R, G and B incorporated in a single package
(SDIP 30 pins)
• I2C bus control
Contrast control
R/G/B drive control
Brightness control
OSD contrast control
4-channel DAC control output
• Built-in gamma function
• Built-in high-speed ABL blanking
• Built-in sync separator for Sync on Green
• Built-in blanking mixing function
(with blanking level fixed at 0.4V)
• Built-in OSD mixing function
• Video period detection function
• Built-in VBLK synchronous DAC refresh system
Applications
High resolution computer displays
Absolute Maximum Ratings (Ta = 25°C, GND = 0V)
• Supply voltage
Vcc12
13
V
Vcc5 5.5 V
• Operating temperature Topr –20 to +75 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation
PD 2.05 W
• Pin voltage
Vcc5 + 0.3V
1, 3, 4, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17 (Pin)
VREF (Pin 23) + 0.3V
18, 19, 20, 21, 25, 27,
29 (Pin)
Recommended Operating Conditions
Supply voltage
Vcc12 12 ± 0.5
Vcc5
5 ± 0.25
V
V
Structure
Bipolar silicon monolithic IC
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.
–1–
E99X02A1Y-PS
1 page CXA2153S
Pin
No.
Symbol Pin voltage
9 OSD_R
10 OSD_G
11 OSD_B
Equivalent circuit
VCC
VCC
VCC
9
10
30k
11
5k 5k
Description
OSD control input.
VILMAX = 0.8V
VIHMIN = 2.8V
12 SYNCOUT
VCC VCC
VCC
VCC
12
200
100
20k
200
5k
Sync separator output of Sync-
on-green signal.
I2C bus SOG off: Output at 0.
Typ.: High = 4.2V
Low = 0.2V
(positive polarity)
13 CLP
VCC
VCC
13
30k
Clamp pulse (positive polarity)
input.
VILMAX = 0.8V
VIHMIN = 2.8V
14 BLK
VCC
VCC
VCC
14
30k
5k 5k
Blanking pulse input.
Set the V blanking pulse width
to 300µs or more.
VILMAX = 1.2V
VIHMIN = 4.7V
–5–
5 Page I2C BUS Logic System
No. Item
1 High level input voltage
2 Low level input voltage
3
Low level output voltage
SDA during current inflow of 3mA
4 Maximum clock frequency
5 Minimum waiting time for data change
6 Minimum waiting time for data transfer start
7 Low level clock pulse width
8 High level clock pulse width
9 Minimum waiting time for start preparation
10 Minimum data hold time
11 Maximum data preparation time
12 Rise time
13 Fall time
14 Minimum waiting time for stop preparation
CXA2153S
Symbol Min. Typ. Max. Unit
VIH 3.0 — 5.0 V
VIL 0 — 1.5 V
VOL 0 — 0.4 V
fSCL 0 — 400 kHz
tBUF
1.3 —
— µs
tHD; STA
0.6
—
— µs
tLOW
1.3 —
— µs
tHIGH
0.6 —
— µs
tSU; STA
0.6
—
— µs
tHD; DAT
0
— 900 ns
tSU; DAT
100
—
— ns
tR
——
1 µs
tF — — 300 ns
tSU; STO
0.6
—
— µs
– 11 –
11 Page |
Páginas | Total 24 Páginas | |
PDF Descargar | [ Datasheet CXA2153.PDF ] |
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