TA7642 - ETC

TA7642 AM radio

The CD7642 CS is suitable for low voltage po rtable www.DataSheet4U.com CD7642CP Outline Drawing Radio, cassette system and other wireless AM system. The package of CD7642CS is TO-92. FEATURE z z z Low operating voltage: Down to V C C =1.3V Low Quiescent Cu rrent: I C C O =0.2 mA Low external component requ ired. EQUIVALENT CIRCUIT 1 ABSOLUTE MAXIMUM R.

Features

.2 0.14 Typ. 1.3 0.2 3 600 Max. 1.6 0.3 Unit V mA MΩ µV Input Resistance Maximu m Sensitivity Detector Ou tput Vo ltage The Range of AGC 5 15 30 30 mV dB TEST CIRCUIT 100K 0.1uF 2 CD7642CS 3 Vin 50 1 R AGC 1.5K Vcc Vout 0.1uF APPLICATION CIRCUIT R AGC 820K 100K 1.5K 7.5K Vcc=1.2~1.5V 30K 32 1K 600uH 140pF 7pF 2 CD7642CS 3 1 0.01uF 0.15uF 0.1uF Circuit 1 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 2/3 CHMC Silicore R AGC 100K 1K 1.5M 50pF 0.1uF 0.15uF 57 CD7642CS 600uH 140pF 7pF 1.5V 32 2 CD7642CS 3 1 0.01uF www.DataSheet4U.com Circuit 2 R AGC 10K 100K 600.