TA1310ANG Datasheet, PDF (62/106 Pages) Toshiba Semiconductor – NTSC VIDEO, CHROMA, DEFLECTION, AND DISTORTION COMPENSATION IC (WITH YUV INTERFACE AND ACB)

TA1310ANG
NOTE
ITEM
T₉ RGB Output S / N
RGB Output
T₁₀ Emitter-Follower Drive
Current
T₁₁
RGB Output Temperature
Coefficient
T₁₂ Half-Tone Characteristics
T₁₃ Half-Tone ON Voltage
T₁₄ V-BLK Pulse Output Level
T₁₅ H-BLK Pulse Output Level
(TEST CONDITIONS V_CC = 5 V and 9 V, Ta = 25 ± 3°C)
SW MODE & SUB ADDRESS & DATA
S₀₃ S₀₄ S₀₅ S₀₆ S₀₇ S₀₈ S₀₉ S₁₀ S₅₄
MEASUREMENT METHOD
1) Measure the picture period noise levels of pins 13, 14, and 15 with an
oscilloscope.
(n₁₃, n₁₄, n₁₅ (V_p-p))
A
A
A OFF A
A
A OFF C _{2) Calculate the S / N for each pin.}
N₁₃ = −20 × Log (2.5 / (0.2 × n₁₃))
N₁₄ = −20 × Log (2.5 / (0.2 × n₁₄))
N₁₅ = −20 × Log (2.5 / (0.2 × n₁₅))
1) Connect a 3.5-V external power supply to pin 13 via a 100-Ω resistor
A
A
A OFF A
A
A OFF C
(I#13) and measure the sink current on pin 13.
2) Perform the same test on pins 14 and 15. (I#14, I#15)
1) When the temperature changes through the range −20°C to +65°C,
measure the changes in the picture period amplitudes of pins 13, 14, and
A
A
A OFF A
A
A OFF C
15.
2) Calculate the voltage changes per degree of temperature. (∆t13, ∆t14,
∆t15)
1) Input signal 1 (f = 100 kHz, picture period amplitude = 0.2 V_p-p) to pin 54.
2) Measure the picture period amplitude of pin 13. (v_13A)
A
A
A OFF A
A
A OFF A 3) Apply 1.5 V DC to pin 6.
4) Measure the picture period amplitude of pin 13. (v_13B)
5) G_HT = v_{13B /} v_13A
1) Input signal 1 (f = 100 kHz, picture period amplitude = 0.2 V_p-p) to pin 54.
2) Connect an external power supply to pin 6 and gradually increase the
A
A
A OFF A
A
A OFF A
voltage from 0 V.
3) When the picture period amplitude of pin 13 changes, measure the pin 3
voltage. (V_HT)
1) Measure the voltages of pins 13, 14, and 15 during the vertical blanking
A
A
A OFF A
A
A OFF C
period.
(V_VR, V_VG, V_VB)
1) Measure the voltages of pins 13, 14, and 15 during the horizontal
A
A
A OFF A
A
A OFF C
blanking period.
(V_HR, V_HG, V_HB)
62
2005-09-20