L9955 vs L9955-TR Comparison
Detailed side-by-side comparison of L9955 by National Semiconductor and L9955-TR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
National Semiconductor
L9955 - Low Power Quad Operational Amplifier | National Semiconductor (TI)
L9955 ✓ ActiveSTMicroelectronics
L9955-TR - SPI Controlled 8-Channel Low-Side Driver | STMicroelectronics
L9955-TR ✓ ActiveSpecification Comparison
| Parameter | L9955 | L9955-TR |
|---|---|---|
| Brand | National Semiconductor | STMicroelectronics |
| Category | Amplifier ICs | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.75 | $2.70 |
| Number of Channels | 4 | 8 |
| Supply Voltage Range (Single) | 3 V to 30 V | — |
| Supply Voltage Range (Dual) | ±1.5 V to ±15 V | — |
| Quiescent Current per Amplifier | 0.4 mA (typical) | — |
| Unity-Gain Bandwidth | 1 MHz | — |
| Slew Rate | 0.5 V/µs | — |
| Input Offset Voltage | 2 mV (typical) | — |
| Input Bias Current | 50 nA (typical) | — |
| Common-Mode Input Voltage Range | 0 V to VCC - 1.5 V | — |
| Output Voltage Swing | 0 V to VCC - 1.5 V | — |
| Output Current | 20 mA (typical) | — |
| Operating Temperature Range | -40°C to +85°C | -40°C to +150°C |
| Package | 14-pin DIP, 14-pin SOIC | PowerSO-36 |
| Mounting Type | Through Hole, Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Output Type | — | Low-Side Driver |
| Supply Voltage (Logic) | — | 4.5 V to 5.5 V |
| Supply Voltage (Power Stage) | — | Up to 40 V |
| Output Current per Channel | — | 1.2 A continuous, 2 A peak |
| SPI Interface | — | Yes, up to 5 MHz |
| Diagnostic Readback | — | 16-bit |
| Protection Features | — | Overcurrent, Overtemperature, Open-Load |
| AEC-Q100 Qualified | — | Yes |
| Output Leakage Current | — | [DATA_NEEDED: Output Leakage Current] |
| Switching Frequency | — | [DATA_NEEDED: Switching Frequency] |