[AK4252] AK4252 Capless Video Amp with LPF AK4252 LPF 1ch DC 8pin USON 1. 2. 3. 4. 5. • :1 • (+12dB) • LPF • Ta = -40 ∼ 85 °C : 2.7 ∼ 3.6V (typ. 3.0V) : 10 mA Package: 8 pin USON ■ PDN VIN Clamp VOUT LPF Clock Generator VDD Charge Pump CP CN VSS VEE Figure 1. AK4252 Block Diagram MS1091-J-01 2010/04 -1- [AK4252] ■ −40 ∼ +85°C AK4252 8 pin USON (0.5mm pitch) CP 1 8 CN VDD 2 7 VEE 6 VSS 5 VOUT AK4252VU AKD4252 ■ VIN 3 PDN 4 Top View MS1091-J-01 2010/04 -2- [AK4252] No. Pin Name CP I/O O 1 2 3 VDD VIN I 4 PDN I 5 6 7 8 VOUT VSS VEE CN O O I Function Positive Charge Pump Capacitor Terminal Pin Power Supply Pin. Composite Video Signal Input Pin Power-Down Mode Pin. Internal Pull Down 100kΩ. “H”: Power up, “L”: Power down. Composite Video Signal Driver Pin Ground Pin Negative Voltage Output Pin for Video Amplifier Negative Charge Pump Capacitor Terminal Pin (VSS=0V; Note 1) Parameter Power Supplies: Input Current, Any Pin Except Supplies Input Voltage (Note 2) Ambient Temperature (powered applied) Storage Temperature Note 1. Note 2. VIN pin, PDN pin, 4.0V Hi-Z Symbol VDD IIN min −0.3 - VIN −0.3 Ta Tstg −40 −65 max 4.0 ±10 (VDD+0.3) or 4.0 85 150 PDN pin= “L” VOUT pin max VOUT pin PDN pin= “H” Wired-OR Wired-OR CN pin Units V mA V °C °C (VDD+0.3)V PDN pin= “L” VOUT pin : (VSS=0V; Note 1) Parameter Power Supplies Symbol VDD min 2.7 typ 3.0 max 3.6 Unit V Note 1. : MS1091-J-01 2010/04 -3- [AK4252] (Ta=25°C; VDD=3.0V; VSS=0V; unless otherwise specified) Parameter Conditions typ max Units -0.193 -0.143 0.75 -0.093 Vpp V 11.0 2.52 140 - 12.0 65 -45 150 - 13.0 15 400 dB Vpp dB dB Ω pF pF Response at 6.75MHz Response at 27MHz -3 - -0.5 -40 -20 dB dB |GD3MHz - 10 100 nsec - 10 1 15 2 mA μA in V (Note 3) V Note 4 VIN=100kHz, 0.2Vpp VIN=100kHz , THD= -30dB 100kH ∼ 6MHz, (Note 5) VIN=3.58MHz, 0.2Vpp(Sin Wave) S/N 2 C1(Figure 2) C2(Figure 2) LPF Input= 0.2Vpp, Sin Wave (0dB at 100kHz) GD6MHz| PDN pin = 0V Note 3. Charge Pump VIN ( ) Note 4. Note 5. Figure 2 100% A A 75 ohm Video Signal Output R2 75 ohm R1 C1 C2 Figure 2. Load Capacitance C1 and C2 DC (Ta=25°C; VDD=2.7 ∼ 3.6V) Parameter High-Level Input Voltage Low-Level Input Voltage (PDN pin) (PDN pin) Symbol VIH VIL MS1091-J-01 min 1.5 - typ - max 0.6 Units V V 2010/04 -4- [AK4252] ■ AK4252 150Ω 1 (Figure 3) (Figure 4) LPF 0V DC AK4252 VDD Charge Pump CP CN Negative Power VSS VEE C2 (+) 1uF Note 6. C1 C2 C1 ESR( CP 1uF (+) ) VSS Figure 3. AK4252 75Ω VOUT 75Ω 0V Figure 4. Video ■ PDN pin “L” “L” VOUT pin AK4252 “Hi-Z” typ. 1μA PDN pin AK4252 MS1091-J-01 2010/04 -5- [AK4252] Figure 5 (AKD4252) (+) Power Supply 2.7∼3.6V 10µ + 0.1µ 1µ 1 CP CN 8 0.1u 1µ VEE 7 2 VDD (+) Top View VSS 6 3 VIN 75 VOUT 5 4 PDN DSP or μP Figure 5. Typical Connection Diagram : - CN pin MS1091-J-01 2010/04 -6- [AK4252] 8pin USON (Unit: mm) 2.2 ± 0.05 0.25 ± 0.05 1.2 ± 0.05 2.2 ± 0.05 1.9 ± 0.05 0.05 0.2 ± 0.05 0.6MAX 0.5 M 0.05 ■ : : : MS1091-J-01 2010/04 -7- [AK4252] AK4252VU 252 XXX XXX: Date code (3 digit) Date (YY/MM/DD) 09/06/10 10/04/08 Revision 00 01 Reason Page Contents 7 ■ : • • • • • • MS1091-J-01 2010/04 -8-