pinout, Author at DataSheetCafe.com

Part Number: CD2003GP

Function: Miltimedia IC / FM / AM RADIO IC

Package: DIP16 / SOP16

Manufacturer: Wuxi China Resources Silicon Microelectronics

Image :

CD2003GP image

Description

The CD2003GP, CD2003GB is a monolithic IC designed for use as a FM/ AM radio system. The CD2003GP is a monolithic integrated circuit designed for FM/AM radio receiver systems, operating over a wide supply voltage range of 1.8V to 7V. It integrates key radio frequency and intermediate frequency stages, eliminating the need for external FM/AM IFTs and FM detector coils while simplifying circuit alignment. This IC is typically used in portable radios, compact audio receivers, and low-power radio applications when combined with an external audio amplifier.

Pinout

Features

Integrated FM/AM radio receiver functionality
No need for FM IFT, AM IFT, or FM detector coil
Adjustment-free FM detector circuit
Wide operating voltage range V_CC = 1.8~7V
Reduced external component count
Low power consumption suitable for battery operation
Compact design for portable applications

Test Circuit

Design Notes

Minimize RF trace lengths and use proper grounding to reduce noise coupling
Use high-quality tuning components for stable frequency selection
Decouple V_CC with low-ESR capacitors close to the IC
Shield sensitive RF sections to improve reception performance
Pair with a suitable audio amplifier IC for complete radio system design

How to Choose This Part

Select for compact FM/AM receiver designs with minimal external components
Suitable for low-voltage, battery-powered radio applications
Ideal when simplified alignment and tuning are required
Consider RF layout complexity and shielding requirements
Ensure compatibility with desired frequency bands and audio stages

Applications

Portable FM/AM radios
Pocket radio receivers
Consumer audio devices
Embedded radio modules
Educational and DIY radio kits

Alternative / Equivalent Products

CD2003
TA2003
KA22495
CXA1019
LA1800

Other data sheets are available within the file: CD2003

CD2003GP Datasheet PDF Download

The JW1758B is an offline step-down LED controller designed to regulate constant current directly from high-voltage AC lines without requiring bulky auxiliary circuits.

Function: Offline Step-down LED Controller With PFC and No Auxiliary Winding

Package: SOP 7 Pin Type

Manufacturer: SPMICRO

Images:

JW1758B datasheet pdf

Description

The JW1758B is a constant current LED controller with high current accuracy which applies to single stage step-down power factor corrected LED drivers. 600V power MOS is integrated, which can significantly simplify the design of LED lighting system.

JW1758A/B/C integrates high voltage power source, and can be supplied by line voltage directly, and auxiliary winding is not needed. High accuracy of output current is achieved by sampling the output current directly. Critical conduction mode operation reduces the switching losses and largely increases the efficiency.

Features

1. No auxiliary winding

2. Supplied from line voltage directly

3. 600V high voltage MOSFET integrated

4. High current accuracy of line and load regulation

5. High power factor with low output current-ripple

6. Critical conduction mode

7. High efficiency over wide operating range

8. Cycle-by-cycle current limit

9. LED open protection

10. Inductor short protection

11. ISP short protection

12. Temperature compensation of LED

13. Internal over-temperature protection