AMS 4558 Description Features The AMS4558 consists of two low noise, Operating voltage: ±3V ～±18V. high performance operational amplifiers. It Large DC voltage gain: 100 dB is specially suitable for applications in Low input noise voltage: 1µVRMS differential-in, differential-out as well as in Wide gain bandwidth product: 5 MHz industrial Slew rate: 2V/µs applications measurement where matched channels gain tools and and phase Package outline: DIP8, SOIC8 are mandatory. The IC features monolithic silicon chip, internal frequency compensation, low noise, low distortion, wide operating voltage range, high gain and high bandwidth. The AMS4558 can operate under dual power Applications Audio AC-3 decoded system. Audio amplifier supply voltage up to ±18V or single power supply up to 36V. Functional Diagram Page 1 of 7 AMS 4558 Pin Description Symbol Pin NO. Description OUT1 1 Output 1 IN1- 2 Inverting input1 IN1+ 3 Non- Inverting input1 V- 4 VEE IN2+ 5 Non- Inverting input2 IN2- 6 Inverting input2 OUT2 7 Output 2 V+ 8 VCC Absolute Maximum Ratings Parameter Symbol Value Unit VCC +18 V VEE -18 Differential Input Voltage VID ±30 V Input Voltage VIC ±15 V Power Dissipation PD Power Supply Voltage DIP 500 SOIC 250 mW Operating Temperature Range TOP 40 to 85 ℃ Storage Temperature Range TSTG 60 to 150 ℃ Page 2 of 7 AMS 4558 Electrical Characteristics (Vcc=+15V,VEE =-15V,TA =25℃ unless otherwise specified) Parameter Min Typ Max Unit 2 6 mV Input bias Current 60 500 nA Input Offset Current 5 200 nA Supply Current 3.5 5.8 mA Input Offset Voltage Conditions Rs ≤ 10K Ω Large Signal Voltage Gain RL ≥ 2K Ω ,Vo=±10V 85 100 dB Common Mode Rejection Ratio Rs ≤ 10K Ω 70 90 dB Power Supply Rejection Ratio Rs ≤ 10K Ω 70 90 dB Output Voltage Swing RL ≥ 2K Ω ±10 ±13 V RL ≥ 10K Ω ±12 ±14 Output Sink Current V=1V,V+=0V,Vo=2V 40 mA Output Source Current V=1V,V+=0V,Vo=2V 40 mA Slew Rate 2 V/µS Equivalent Input Noise Voltage RIAA,Rs=1K Ω ,30kHz LPF 1 µVRMS Gain Bandwidth Product f=10KHz 5 MHz Page 3 of 7 AMS 4558 Typical Performance Characteristics Open Loop Voltage Gain vs. Frequency Maximum Output Voltage Swing vs. Load Resistance Input Offset Voltage vs. Temperature Maximum Output Voltage Swing vs. Frequency Equivalent lnput Noise Voltage vs. Frequency Input Bias Current vs. Temperature Page 4 of 7 AMS 4558 PACKAGE DESCRIPTION SOP8 PACKAGE OUTLINE DIMENSIONS Page 5 of 7 AMS 4558 DIP8 PACKAGE OUTLINE DIMENSIONS Page 6 of 7 AMS 4558 Disclaimer: • AMS reserves the right to make changes to the information herein for the improvement of the design and performance without further notice! Customers should obtain the latest relevant information before placing orders and should verify that such information is complete and current. • All semiconductor products malfunction or fail with some probability under special conditions. When using AMS products in system design or complete machine manufacturing, it is the responsibility of the buyer to comply with the safety standards strictly and take essential measures to avoid situations in which a malfunction or failure of such AMS products could cause loss of body injury or damage to property. • AMS will supply the best possible product for customers! Page 7 of 7