L9955 vs L9956 Comparison
Detailed side-by-side comparison of L9955 by National Semiconductor and L9956 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
L9956 - SPI Controlled 8-Channel Low-Side Driver | STMicroelectronics
L9956 ✓ ActiveSpecification Comparison
| Parameter | L9955 | L9956 |
|---|---|---|
| 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 | $2.88 |
| 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 | -40C to +150C |
| 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 |
| Maximum Output Current per Channel | — | 1.5 A |
| Supply Voltage (Logic) | — | 4.5 V to 5.5 V |
| Supply Voltage (Power) | — | 4.5 V to 28 V |
| On-Resistance (Typical) | — | 0.5 ohm |
| SPI Clock Frequency | — | 5 MHz (max) |
| PWM Capability | — | 8-bit |
| Quiescent Current (Standby) | — | [DATA_NEEDED: Quiescent current in standby mode] |
| Protection Features | — | Overcurrent, Overtemperature, Open-Load Detection |
| AEC-Q100 Qualified | — | Yes |