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ASAHI KASEI
[AK4250]
AK4250
Output Coupling Capacitor-less Video Amp with LPF
GENERAL DESCRIPTION The AK4250 is a Video Amp with LPF. The output coupling capacitor can be removed because the AK4250 includes the negative power supply circuit. The AK4250 is housed in a space-saving 8-pin USON package. FEATURE 1. Video Function • A Composite Video Input • A Video-Amp (+6dB) for Composite Video Signal • Low Pass Filter • Charge pump circuit for negative power supply www.DataSheet4U.com 2. Ta = -40 ∼ 85 °C 3. Power Supply: 2.7 ∼ 3.6V (typ. 3.0V) 4. Power Supply Current: 10 mA 5. Package: 8 pin USON
■ Block Diagram
PDN
VIN Clamp LPF
VOUT
VDD Charge Pump
Clock Generator
CP
CN
VSS
VEE
Figure 1.