AN41919A

AN41919A DC IRIS Control LSI for IP Camera and Network Camera FEATURES ・ Built-in DC IRIS controller ・ DC IRIS control by 4-line serial data communication ・ PCB space saving ・ Low power consumption of Iris drive by PWM ・ DC Iris servo High-speed response and High stability ・ 44 pin Plastic Quad Flat Non-leaded Package (QFN Type) DESCRIPTION AN41919A is a DC IRIS control LSI for IP camera and security camera. It integrates digital PID control circuit and is able to control various IRIS motors. APPLICATIONS ・IP camera, security camera SIMPLIFIED APPLICATION DC Iris servo High-speed response and High stability. Existing system 0.1 μF Luminance level 34 N.C. 35 N.C. 36 CLK_SW 37 TEST 38 AMP2REF 43 PWM_IN 42 BUF_OUT 41 AMP2OUT 0.1 μF 40 AMP2INP 39 GNDA 44 N.C. N.C. 1 0.1 μF VREF 2 AVDD3 0.1 μFCREF (3.1 V) 3 AVDD3 4 ADCIN 5 0.1 μF TESTOUT 6 AMPINP 7 AMPINN 8 AMPOUT 9 0.1 μF N.C.10 N.C. 11 33 N.C. 32 N.C. 31 ENABLE 30 RST 29 MONI_2 28 GNDD MONI_1 27...