AK4250 Datasheet, PDF (1/8 Pages) Asahi Kasei Microsystems – Output Coupling Capacitor-less Video Amp with LPF

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
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
VDD
Clamp
Charge
Pump
LPF
Clock
Generator
CP
CN VSS
VEE
MS0540-E-00
Figure 1. AK4250 Block Diagram
-1-
VOUT
2007/03