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PDF ( 数据手册 , 数据表 ) TA1226N

零件编号 TA1226N
描述 Y LUMINANCE TRANSIENT IMPROVER IC
制造商 Toshiba
LOGO Toshiba LOGO 


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TA1226N 数据手册, 描述, 功能
TENTATIVE
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT
SILICON MONOLITHIC
TA1226N
Y LUMINANCE TRANSIENT IMPROVER IC
TA1226N integrates Y luminance transient improver circuits
(black stretch, DC transfer ratio compensation, super real
transient, noise reduction) in a 20-pin shrink DIP. TA1226N
functions are controlled via I2C bus.
FEATURES
l Black stretch circuit
l DC transfer ratio compensation circuit
l Super real transient circuit (SRT)
l Noise reduction
l 1-bit DAC output
l Velocity modulation output
Weight: 1.02g (Typ.)
TA1226N
000707EBA1
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general
can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the
buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and
to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or
damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the
most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling
Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal
equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are
neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document
shall be made at the customer’s own risk.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its
use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or
others.
· The information contained herein is subject to change without notice.
2001-02-26 1/15







TA1226N pdf, 数据表
TA1226N
FUNCTION
CONTROL DATA
APACON
0 : ON
1 : OFF
Sharpness
7F : MAX
00 : MIN
Black
detect
area 11 : 40 IRE
01 : 20 IRE
SRT level
11 : 28 IRE
01 : 10 IRE
YNR
0 : ON
1 : OFF
γ correction
11 : OFF
01 : 80 IRE
DAC1
0 : OPEN
1 : ON
DAC2
0 : OPEN
1 : ON
VM gain
11 : 0dB
01 : 6dB
Black stretch
0 : ON
1 : OFF
γ curve
0 : 2.4dB
1 : 1.6dB
10 : 30 IRE
00 : 10 IRE
10 : 14 IRE
00 : 7 IRE
10 : 90 IRE
00 : 70 IRE
10 : 3dB
00 : OFF
Black
0 : ON
compensation 1 : OFF
SRT
0 : OFF
1 : ON
TEST
11 : Test3
01 : SHR
10 : RTC
00 : RS
8MHz
frequency
characteristics
compensation
111 : MAX (+6dB)
000 : MIN (0dB)
Luminance
transient
tracking
111 : MAX
000 : MIN
CONTROL CONTENTS
PRESET
VALUE
Controls ON / OFF of DL (Delay Line) APACON in micro
signal amplitude (approx. 20mVp-p) range.
Controls both DL APACON and SRT.
ON
(0)
Center
value
(40h)
Controls maximum level of black area detect from pedestal of 10 IRE
black area detector circuit (pin 20 output).
(00)
Controls signal amplitude at which SRT becomes valid.
28 IRE
(00)
Controls YNR ON / OFF.
OFF
(1)
Controls start point of γ correction (broken line at one point)
OFF
(11)
Controls 1-bit DAC (open collector transistor output)
OPEN
(0)
Controls 1-bit DAC (open collector transistor output)
OPEN
(0)
Controls gain between Y input and VM output.
0dB
(00)
Controls black stretch ON / OFF.
OFF
(0)
Controls curve of γ correction (broken line at one point)
Controls automatic black level compensation (max. 7.5IRE).
(When black stretch gain is maximum, if highest black level
floats above pedestal level, DC-shifts maximum of 7.5IRE
picture duration up to pedestal level.)
Controls SRT ON / OFF.
2.4dB
(0)
ON
(0)
ON
(1)
Controls pin 20 output signal in test mode.
Test3
(11)
Controls gain of DL APACON at 8MHz peak.
Controls compensation ratio of SRT and DL APACON.
(Controls SRT level to be added to DL APACON.)
0dB
(000)
Center
value
(100)
2001-02-26 8/15














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