LR4558

LESHAN RADIO COMPANY, LTD. General Description The LR4558 consists of two high performance operational amplifiers. The IC features high gain, high input resistance, excellent channel separation, wide range of operating voltage and internal frequency compensation. It can work with r18V maximum power supply voltage. The LR4558 is specifically suitable for applications in differential-in, differential-out as well as in potentialmetric amplifiers and where gain and phase matched channels are mandatory. The LR4558 is available in DIP-8 or SOIC-8 package. Features g Internal Frequency Compensation g Large DC Voltage Gain with 100 dB Typical g High Input Resistance with 5M:Typical g Maximum Power Supply Voltages: r18V LR4558 SOIC-8 DIP-8 Applications g Audio AC-3 Decoder System g Audio Amplifier Pin Configuration M Package/P Package (SOIC-8/DIP-8) OUTPUT 1 INPUT 1INPUT 1+ VEE 18 27 36 45 VCC OUTPUT 2 INPUT 2INPUT 2+ Top View Pin Configuration of LR4558 1 /7 Functional Block Diagram 3.1 K: - Input + Input LESHAN RADIO COMPANY, LTD. LR4558 : 10pF VCC : : Output 87 pF 7.1 K: 7.1 K: 480 : 4.2 K: 36 K: Representative Schematic Diagram of LR4558 (Each amplifier) VEE Absolute Maximum Ratings Parameter Power Supply Voltage Differential Input Voltage Input Voltage Operating Temperature Range Storage Temperature Range Symbol VCC VEE VID VIC TOP TSTG Value + 22 - 22 ± 18 ± 15 -40 to 85 -65 to 150 Unit V V V oC oC 2/7 LESHAN RADIO COMPANY, LTD. Electr...