Overview
The TLV2197-Q1, produced by Texas Instruments, is a dual-channel, high-voltage, precision operational amplifier designed for automotive applications. It is part of the TLVx197-Q1 family, which includes the TLV197-Q1 and TLV4197-Q1. This family of devices is AEC-Q100 qualified, ensuring reliability and performance in harsh automotive environments. The TLV2197-Q1 features rail-to-rail input and output, low offset voltage, and high common-mode rejection, making it an excellent choice for low-side current-sensing and signal-conditioning applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VSSOP (DGK) | - |
| Pins | 8 | - |
| Operating Temperature Range | –40°C to +125°C | °C |
| Input Offset Voltage | ±500 µV | µV |
| Noise | 5.5 nV/√Hz at 1 kHz | nV/√Hz |
| Common-Mode Rejection Ratio | 140 dB | dB |
| Bias Current | ±5 pA | pA |
| Bandwidth | 10 MHz | MHz |
| Slew Rate | 20 V/µs | V/µs |
| Quiescent Current per Amplifier | 1 mA | mA |
| Supply Voltage Range | ±2.25 V to ±18 V, 4.5 V to 36 V | V |
| Output Current | ±65 mA | mA |
| Capacitive Load Drive Capability | Up to 1 nF | nF |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –40°C to +125°C.
- Low offset voltage: ±500 µV (maximum).
- Low noise: 5.5 nV/√Hz at 1 kHz.
- High common-mode rejection: 140 dB.
- Low bias current: ±5 pA.
- Rail-to-rail input and output.
- Wide bandwidth: 10-MHz GBW.
- High slew rate: 20 V/µs.
- Low quiescent current: 1 mA per amplifier.
- Wide supply voltage range: ±2.25 V to ±18 V, 4.5 V to 36 V.
- EMI/RFI filtered inputs.
- Differential input-voltage range to supply rail.
- High capacitive load drive capability: up to 1 nF.
Applications
- Inverter and motor control.
- DC/DC converter.
- On-board (OBC) and wireless charger.
- Battery management system (BMS).
- Low-side current-sensing and signal-conditioning in automotive applications.
Q & A
- What is the operating temperature range of the TLV2197-Q1? The operating temperature range is –40°C to +125°C.
- What is the input offset voltage of the TLV2197-Q1? The input offset voltage is ±500 µV (maximum).
- What is the common-mode rejection ratio of the TLV2197-Q1? The common-mode rejection ratio is 140 dB.
- What is the slew rate of the TLV2197-Q1? The slew rate is 20 V/µs.
- What is the quiescent current per amplifier for the TLV2197-Q1? The quiescent current per amplifier is 1 mA.
- What is the supply voltage range for the TLV2197-Q1? The supply voltage range is ±2.25 V to ±18 V, 4.5 V to 36 V.
- What is the output current capability of the TLV2197-Q1? The output current capability is ±65 mA.
- Can the TLV2197-Q1 drive high capacitive loads? Yes, it can drive capacitive loads up to 1 nF.
- Is the TLV2197-Q1 AEC-Q100 qualified? Yes, it is AEC-Q100 qualified for automotive applications.
- What are some typical applications for the TLV2197-Q1? Typical applications include inverter and motor control, DC/DC converters, on-board chargers, wireless chargers, and battery management systems.
