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PDF CXA2150AQ Data sheet ( Hoja de datos )
| Número de pieza | CXA2150AQ | |
| Descripción | CRT Driver | |
| Fabricantes | Sony | |
| Logotipo |  |
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CRT DRIVER
CXA2150AQ
Description
The CXA2150AQ is a bipolar IC which integrates
base-band Y/C signal processing, RGB signal
processing, horizontal sync signal processing that
supports 15.7/31.5/33.75/37.9/45kHz, and a vertical
deflection circuit that supports 50/60/100/120Hz into a
single chip.
This IC has been developed for DTV, and realizes
the configuration of a high-end TV system that
supports 960i, 1080i, 720p, etc. in addition to 480i.
64 pin QFP (Plastic)
Features
• I2C bus supported
• YCbCr input offset adjustment circuit
• LTI and CTI circuits
• Sharpness f0 switching circuit that supports band width of various input sources
• Color (Cr signal) dependent sharpness circuit
• Coring circuit for VM signal
• AKB system
• Various ABL functions
• Two sets of analog RGB inputs
• Horizontal sync processing that supports 15.7/31.5/33.75/37.9/45kHz
• Vertical deflection circuit that supports 50/60/100/120Hz
• Quick responsed VAGC when switching channels etc.
• Deflection compensation circuit capable of supporting various wide modes
• For flat-TV suitable various VSAW waveform and parabola output
Applications
Color TVs (4:3, 16:9)
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VCC
–0.3 to +10
V
• Operating temperature
Topr
–20 to +75
°C
• Storage temperature
Tstg
–65 to +150
°C
• Allowable power dissipation PD
1.7 W
(when mounted on a 50mm × 50mm board)
• Voltages at each pin
–0.3 to VCC9, VCC_OUT + 0.3 V
Operating Conditions
Supply voltage
VCC9, VCC_OUT 9.0 ± 0.5
VCC5
5.0 ± 0.25
V
V
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–
E00819-PS
1 page  
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Pin
No.
Symbol
8 B1_IN
9 G1_IN
10 R1_IN
11 PABL_FIL
12 DPDT_OFF
13 YF_OFF
14 VM_OUT
CXA2150AQ
Equivalent circuit
VCC_OUT
VCC5
100k
500
8 2k
9
10
80k
Description
Analog R1, G1 and B1 signal inputs.
Input a 0.7Vp-p, 100 IRE (no sync)
signal via a capacitor.
The pedestal is clamped to 3.75V.
∗ Input voltage range: less than 5V
3V
VCC_OUT VCC5
270
2k
11
Peak hold for peak ABL.
A capacitor and resistor are connected
between this pin and GND to form a
LPF.
25k
33k
VCC_OUT
2k
12
VCC5
12.5µ
12.5µ
25µ 0.7V
Muting of the dynamic picture operation
(black expansion) and DC transmission
ratio signal interval detection can be
controlled by this pin.
MUTE: ON VIH ≥ 1V
MUTE: OFF VIL ≤ 0.4V
∗ Input voltage range: 0 to 5V
VCC_OUT
VCC5
2k
13
2.5V
0.7V
VCC_OUT
VCC5
500 500
14
500 30k
For turning off the VM, sharpness and
color.
Ternary inputs are supported.
COLOR : OFF
: ON
VM, SHP : OFF
: ON
VIH ≥ 3V
VIL ≤ 2V
VIH ≥ 1.0V
VIL ≤ 0.4V
∗ Input voltage range: 0 to 5V
VM output.
The differential waveforms of the
Y signal are output with a positive
polarity. The amplitude and phase of
this waveform can be adjusted by the
I2C bus.
∗ Allowable load current: –1 to +1mA
–5–
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Pin
No.
Symbol
44 GND_V
47 EW_DRV
48 V_OSC
49 V_AGC
CXA2150AQ
Equivalent circuit
VCC9
150
47
51k
300µ 25µ
VCC9
8k
270
48
1.2k
10µ
Description
GND for V deflection system
V parabola wave output
This is used to compensate the
horizontal amplitude and the horizontal
pin distortion.
∗ Allowable load current: –0.2 to +2.6mA
V sawtooth wave generation.
Connect to GND via a 0.1µF capacitor.
For the capacitor, use a PP
(polypropylene) capacitor, or similar
capacitor with a small tanδ.
49
VCC9
VCC9
2k
2k
110k
Sample-and-hold for AGC which
maintains the V sawtooth wave at a
constant amplitude
Connect to GND via a 0.1µF capacitor.
50 VSAW0
150
50
17k
40k
200µ
VCC9
V sawtooth wave (VSAW0) output
∗ Allowable load current: –0.2 to +2.6mA
51 VSAW1
150
51
17k
40k
200µ
– 11 –
V sawtooth wave (VSAW1) output
∗ Allowable load current: –0.2 to +2.6mA
11 Page | ||
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| PDF Descargar | [ Datasheet CXA2150AQ.PDF ] | |
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