TA1276AFG Datasheet, PDF (34/83 Pages) Toshiba Semiconductor – PAL/NTSC Video Chroma And Deflection IC For CTV

Characteristics
Max
Base band tint control
characteristic
Min
Flesh color characteristic
Color difference signal input dynamic
range
Color detail emphasis characteristic
Phase shift at IQ → UV conversion
Symbol
θTR_MAX
θTB_MAX
θTR_MIN
θTB_MIN
Fa33
DR_R-Y
DR_B-Y
GCD0
GCD1
θ_{I → U}
θ_{Q → V}
Test
Circuit
R
B
R
B







TA1276AFG
Test Condition
Min Typ. Max Unit
29
33
37
29
33
37
°
−37 −33 −29
−37 −33 −29
(Note A₇) 0.38 0.48 0.58 

0.9 1.2 1.5
V_p-p
0.9 1.2 1.5
15.0 18.0 21.0
(Note A₈)
V_p-p
 −15.0 0.0
31
33
35

°
31
33
35
DEF Section
Characteristics
32f_H VCO oscillation start voltage
Horizontal output start voltage
Horizontal output duty cycle
Horizontal output free-run frequency
Variable range of horizontal output
frequency
Horizontal output frequency control
sensitivity
High level
Horizontal output voltage
Low level
Horizontal output phase
Curve correction characteristic
Variable range of horizontal picture
position
Clamp pulse start phase
Clamp pulse width
Threshold of external clamp pulse
input
Threshold of external clamp mode
switching
Threshold of external black peak hold
stopping pulse
SPC gate pulse start phase
SPC gate pulse width
Symbol
V_VCO
VH_ON23
T₂₃
f_H050
f_H060
f_HMIN
f_HMAX
βH
V_H23
V_L23
SPH1
SPH2
SPH3
∆H₂₄
∆H_SFT
CP_S
CP_W
CP_V30
Test
Circuit
Test Condition
Min Typ. Max Unit

DEF V_CC Voltage

3.1 3.4 3.7
V
4.7 5.0 5.3
V
 Pin 41
38.5 40.5 42.5 %
 Vertical freq.; Auto
 Vertical freq.; 60 Hz
15475 15625 15775
Hz
15585 15734 15885

Variable pin 45 voltage

14700 15000 15300
Hz
16500 16700 16900

(Note D₁) 180
230
280
Hz/
0.1 V

Pin 40

2.7 3.0 3.3
V
 0.15 0.30

11.1 11.3 11.5

(Note D₂) 0.35 0.45 0.55
V

0.11 0.21 0.31

(Note D₃) 2.3
2.5
2.7
V

(Note D₄) 5.7
6.2
6.7
V

2.8 2.9 3.1
V
(Note D₅)

1.0 1.2 1.4
V
 Pin 40
3.3 3.6 3.9
V
CPM_V23
 Pin 41
8.5 8.7 8.9
V
BPv17
BPv24
GP_S
GP_W
 Pin 49, at normal scan
 Pin 40, at doble scan
0.9 1.1 1.3

0.9 1.1 1.3

1.9
2.1
2.3
µs
(Note D₆)

1.9
2.1
2.3
µs
34
2002-04-01