ICs for TV AN5422K Deflection-Signal-Processing IC for TV/Display ■ Overview • Noise canceller circuit built-in (with lock-out preventive 0.5±0.1 1.778 19.1±0.3 ■ Features 22 21 20 19 18 17 16 15 14 13 12 1 2 3 4 5 6 7 8 9 10 11 0.9±0.25 Unit : mm The AN5422K is an integrated circuit for TV/display deflection-signal-processing circuit. Horizontal oscillation frequency is up to 120kHz. The duty of a horizontal output pulse can be changed by the external bias so that the display is designed easily. circuit) • The duty of a horizontal output pulse can be changed 6.35±0.3 1.1±0.25 by the external bias. • Horizontal oscillation frequency : max. 120kHz • X-ray protector built-in (shutdown) • Vertical drive circuit built-in 3.45±0.25 4.5±0.25 + 0.1 5 0.35 – 0.0 3 to 15˚ 7.62±0.25 22-Pin Shrunk DIL Plastic Package (22-SDIP) ■ Block Diagram 22 21 20 19 18 Ver. Drive GND2 2 GND1 14 17 16 Ver. OSC Hor. Drive 1 VCC1 4 VCC2 6 13 Ver. Trigger Hor. OSC 3 15 Noise Canceler Sync. Sep. AFC 7 5 8 12 9 10 11 ICs for TV AN5422K ■ Absolute Maximum Ratings (Ta= 25˚C) Parameter Supply voltage Supply current Symbol Rating Unit VCC (V14 -17) 14.4 V (I14) 30 ICC mA (I4) 40 Power dissipation (Ta=70˚C) PD 1290 Operating ambient temperature Topr – 20 to + 70 ˚C Storage temperature Tstg – 55 to +150 ˚C mW ■ Recommended Operating Range (Ta=25˚C) Parameter Operating supply voltage range Symbol Range VCC 9.6V to 14.4V ■ Electrical Characteristics (Ta= 25˚C) Parameter Symbol Overvoltage-protective-ciucuit operation-input voltage V2-1 Condition SYNC.SEP horizontal synchronous pulse width τ sync (1) Video input 1.4VP-P, VCC1=12V Horizontal AFC horizontal synchronous pulse width τ sync (2) Video input 1.4VP-P, VCC1=12V en1 f= 60HZ, 4µs, 0.7VPP Noise detection sensitivity (2) en2 f= 3.58MHZ, 1.2VPP Vertical oscillation frequency fVO VCC1=12V Vertical output pulse width τ VO Free running fVO= 55HZ, VCC1=12V Noise detection sensitivity (1) min typ max 0.65 0.71 0.76 V 4.4 4.8 5.2 µs 4.5 4.9 5.3 10.5 Unit µs VPP 0.5 VPP 51 55 59 HZ 750 950 1150 µs 35 37 HZ Vertical pull-in range fpv Input 0.7VP-P, 60HZ, pulse width 200µs Horizontal oscillation frequency fHO Adjust to fHO=15.75kHZ by typical sample 15 15.75 16.5 kHZ Horizontal oscillatin pulse duty Horizontal oscillation control sensitivity τ HO Adjust to fHO=15.75kHZ by typical sample 30 35 39 130 160 190 13 19 25 Horizontal oscillation output pin voltage (H) V3-1 (H) 4.1 5.1 6.2 % HZ µA µA µs V Horizontal oscillation output pin voltage (L) V3-1 (L) –1.4 – 0.7 0.3 V Phase detection sensitivity β Change in oscillation frequency when ∆I=±25µA µ VCC1=12V ICs for TV AN5422K ■ Application Circuit VCC1 Video input + 10kΩ 10kΩ + 0.056µF DY 10kB 0.022 µF + 21 20 19 18 Ver. Drive Hor. Drive 17 GND1 16 15 + 13 12 Ver. Trigger Hor. OSC GND2 Noise Canceler Sync. Sep. AFC VCC2 2 3 4 6 7 5 8 9 5kB H-drive 680Ω + 68kΩ +B (115V) 11 330Ω Hor. Sync 0.033µF FBP 5.1kΩ 10 0.01µF 1µF 33kΩ 10kB 1µF 0.015µF X-ray protector 1kΩ 3.3µF 62kΩ + 5600pF 1 14 VCC1 Ver. OSC 12kΩ 22 3.3µF + 0.3µF + 2.2µF 3.3µF + 82kΩ Ver. Sync.