Overview
The TLV2373IDGSR is a dual-channel operational amplifier produced by Texas Instruments. It is part of the TLV237x series, known for its rail-to-rail input and output capability. This amplifier is designed to operate with a single supply voltage as low as 2.7 V and up to 16 V, making it versatile for various applications, including battery-powered systems and micro-power microcontrollers like TI’s MSP430.
The TLV2373IDGSR features a high bandwidth of 3 MHz and a low supply current of approximately 550 µA per channel, which is beneficial for power-sensitive designs. The device also includes a shutdown feature, allowing it to be turned off to conserve power.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 16 | V | - |
| Supply Current (IDD) per Channel | 470 | 550 | 660 | µA | VDD = 5 V, VO = VDD/2 |
| Unity Gain Bandwidth (UGBW) | 2.4 | - | - | MHz | VDD = 2.7 V, RL = 2 kΩ, CL = 10 pF |
| Slew Rate (SR) | 1.4 | 2 | - | V/µs | VDD = 2.7 V, VO(PP) = VDD/2, CL = 50 pF, RL = 10 kΩ |
| Input Offset Voltage (VIO) | - | - | - | mV | VDD = 5 V, VIC = VDD/2 |
| Power Supply Rejection Ratio (PSRR) | 65 | 70 | 80 | dB | VDD = 2.7 V to 15 V, VIC = VDD/2, no load |
| Shutdown Current (IDD(SHDN)) per Channel | 25 | 30 | 35 | µA | VDD = 2.7 V, 5 V, SHDN = 0 V |
Key Features
- Rail-to-Rail Input and Output Capability: Allows the amplifier to operate with input and output voltages that range from the negative to the positive supply rail.
- Low Supply Voltage: Operates with a single supply voltage as low as 2.7 V, making it compatible with Li-Ion powered systems and micro-power microcontrollers.
- High Bandwidth: Offers a bandwidth of 3 MHz, ensuring good AC performance.
- Low Power Consumption: Consumes approximately 550 µA per channel, suitable for power-sensitive applications.
- Shutdown Feature: Allows the amplifier to be turned off to conserve power, with a supply current in shutdown mode of around 25-35 µA per channel.
- CMOS Inputs: Suitable for high-impedance sensor interfaces due to the CMOS inputs.
Applications
- Battery-Powered Systems: Ideal for use in battery-powered devices due to its low supply voltage and low power consumption.
- Micro-Power Microcontrollers: Compatible with many micro-power microcontrollers, such as TI’s MSP430 series.
- High-Impedance Sensor Interfaces: Suitable for use in high-impedance sensor interfaces due to its CMOS inputs.
- Audio and Signal Processing: Can be used in audio and signal processing applications requiring low noise and high bandwidth.
- Industrial and Automotive Systems: Operates over the extended industrial temperature range, making it suitable for industrial and automotive applications.
Q & A
- What is the minimum supply voltage for the TLV2373IDGSR?
The minimum supply voltage for the TLV2373IDGSR is 2.7 V.
- What is the maximum recommended supply voltage for the TLV2373IDGSR?
The maximum recommended supply voltage is 16 V.
- What is the typical supply current per channel for the TLV2373IDGSR?
The typical supply current per channel is approximately 550 µA.
- What is the bandwidth of the TLV2373IDGSR?
The bandwidth of the TLV2373IDGSR is 3 MHz.
- Does the TLV2373IDGSR have a shutdown feature?
Yes, the TLV2373IDGSR has a shutdown feature that allows it to be turned off to conserve power.
- What is the typical shutdown current per channel for the TLV2373IDGSR?
The typical shutdown current per channel is around 30 µA.
- What type of input stage does the TLV2373IDGSR have?
The TLV2373IDGSR has a rail-to-rail input stage.
- Is the TLV2373IDGSR suitable for high-impedance sensor interfaces?
Yes, it is suitable due to its CMOS inputs.
- What is the slew rate of the TLV2373IDGSR?
The slew rate is approximately 1.4 to 2 V/µs.
- What is the power supply rejection ratio (PSRR) of the TLV2373IDGSR?
The PSRR is typically around 70 dB.
