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TA1360ANG Datasheet(PDF) 87 Page - Toshiba Semiconductor |
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TA1360ANG Datasheet(HTML) 87 Page - Toshiba Semiconductor |
87 / 108 page TA1360ANG 2003-01-21 87 Test Conditions SW Mode Note No. Characteristics SW3 SW4 SW5 SW33 SW34 SW35 SW37 SW38 SW39 Test Method T26 Text ACL characteristic A B B A A B A A A 1. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 3. Control drive gain adjustment data so that pins 41 and 42 picture period amplitude equals that of pin 43. 2. Apply 5-V external voltage to pin 49. 3. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 35. 4. Measure pin 43 picture period amplitude, vTXACL1. 5. Apply “pin 53 DC voltage − 0.8 V” to pin 53 from external power supply, and measure pin 43-picture period amplitude, vTXACL2. 6. Apply “pin 53 DC voltage − 1.3 V” to pin 53 from external power supply, and measure pin 43-picture period amplitude, vTXACL3. 7. TXACL1 = −20 × og l (vTXACL2/vTXACL1) TXACL2 = −20 × og l (vTXACL3/vTXACL1) T27 Analog OSD gain A B B A A A A or B A or B A or B 1. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 3. Control drive gain adjustment data so that pins 41 and 42 picture period amplitude equals that of pin 43. 2. Apply 5-V external voltage to pins 50 and 51. 3. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 39. 4. Measure pin 43 picture period amplitude, v43R. 5. Repeat the steps 3 and 4 above with the following pins: Input from pin 38, and measure pin 42. Input from pin 37 and measure pin 41. (v42G and v41B) 6. Calculate the following equations. GOSDR = v43R/0.2 GOSDG = v42G/0.2 GOSDB = v41B/0.2 T28 Analog OSD input white peak slice level A B B A A A A A A 1. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 3. Control drive gain adjustment data so that pins 41 and 42 picture period amplitude equals that of pin 43. 2. Apply 5-V external voltage to pins 50 and 51. 3. Input signal 2 from pin 39. Gradually increase picture amplitude, and measure picture period amplitude voltage when output from pin 43 is clipped. 4. Repeat the step 3 above with the following pins: Input from pin 38, and measure pin 42. Input from pin 37, and measure pin 41. T29 Analog OSD black peak limit level A B B A A A A A A 1. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 3. Control drive gain adjustment data so that pins 41 and 42 picture period amplitude equals that of pin 43. 2. Apply 5-V external voltage to pins 50 and 51. 3. Input signal 2 from pin 39. Gradually decrease picture amplitude, and measure picture period amplitude voltage when output from pin 43 is clipped. 4. Repeat the step 3 above with the following pins: Input from pin 38, and measure pin 42. Input from pin 37, and measure pin 41. |
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