3.5.13 Function introduction to 4558
1. Description
The RC4558 and RM4558 devices (U601) are dual general-purpose operational amplifiers with each half
electrically similar to the A741 except that offset null capability is not provided.
The high common-mode input voltage range and the absence of latch-up make these amplifiers ideal for
voltage-follower applications. The devices are short-circuit protected and the internal frequency compensation
ensures stability without external components.
The RC4558 is characterized for operation from 0 C to 70 C, and the RM4558 is characterized for
operation over the full military temperature range of –55 C to 125 C.
2. FEATURES
◆ Continuous-Short-Circuit Protection
◆ Wide Common-Mode and Differential
◆ Voltage Ranges
◆ No Frequency Compensation Required
◆ Low Power Consumption
◆ No Latch-Up
◆ Unity-Gain Bandwidth ,3 MHz Typ
◆ Gain and Phase Match Between Amplifiers
◆ Low Noise ,8 nV?Hz Typ at 1 kHz
◆ Designed To Be Interchangeable With
◆ Raytheon RC4558 and RM4558 Devices
3. PIN CONFIGURATION
PIN No Symbol I/O
Description
1 1OUT O
Output 1
2 1IN– I
Inverting Input Pin 1
3 1IN+ I
Non-Inverting Input Pin 1
PIN No. Symbol I/O
Description
PIN No. Symbol I/O
Description
4 VCC– I
Negative Power Supply
5 2IN+ I
Non-Inverting Input Pin 2
6 2IN– I
Inverting Input Pin 2
7 2OUT O
Output 2
8 VCC+ I
Positive Power Supply
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