SPW4558D is a dual operational amplifier with features such as no latch-up, large common mode and differential voltage range, gain and phase match between amplifiers, internally frequency compensated, etc.
This datasheet describes the SECOS SPW4538D dual operational amplifier, a monolithic integrated circuit with low‑noise input transistors, a wide common‑mode range, and internally frequency‑compensated operation. Key features include gain and phase matching between the two amplifiers, no latch‑up, and parameter tracking over temperature.
The document lists absolute maximum ratings, detailed electrical characteristics, and typical performance graphs such as noise versus source resistance, open‑loop frequency response, and power bandwidth. It also notes RoHS compliance and provides revision information dated 01‑Jun‑2002.
| Supply Voltage (Vcc) | +22 V |
|---|---|
| Differential Input Voltage (VI(DIFF)) | +18 V |
| Input Offset Voltage (VIO) | 2 – 6 mV |
| Input Offset Current | 5 – 200 nA |
| Input Bias Current (IBIAS) | 30 – 500 nA |
| Common Mode Input Voltage (VCM) | +12 – +13 V |
| Output Voltage Swing | +12 – +14 V |
| CMRR | 70 – 90 dB |
| PSRR | 76 – 90 dB |
| Power Consumption | 70 – 170 mV |
| Unity Gain Bandwidth | 2.0 – 2.8 MHz |
The device can be powered with a supply voltage up to +22 V.
The input offset voltage is specified between 2 mV and 6 mV.
Yes, the datasheet states that the product is RoHS compliant.
The unity‑gain bandwidth is listed as 2.0 MHz to 2.8 MHz.