Overview
The TS321IDBVT is a low-power single operational amplifier produced by Texas Instruments. It is designed for cost-sensitive applications where space savings are crucial. This bipolar operational amplifier is available in a compact SOT-23 (DBV) package with 5 pins, making it ideal for various applications requiring minimal footprint.
The TS321 can operate on a single supply from 3 V to 30 V or a dual supply from ±1.5 V to ±15 V, offering flexibility in different circuit designs. Its low supply current of 500 μA (typical) and low input bias current of 20 nA (typical) make it energy-efficient and suitable for battery-powered devices.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 3 | - | 30 | V |
| Supply Voltage (Dual) | ±1.5 | - | ±15 | V |
| Input Offset Voltage | 0.5 | 4 | - | mV |
| Supply Current | - | 500 | - | μA |
| Input Bias Current | - | 20 | - | nA |
| Gain Bandwidth Product | - | 0.8 | - | MHz |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | SOT-23 (DBV) | - |
| Number of Pins | - | - | 5 | - |
Key Features
- Wide Power-Supply Range: Single supply from 3 V to 30 V or dual supply from ±1.5 V to ±15 V.
- Low Supply Current: Typical supply current of 500 μA.
- Low Input Bias Current: Typical input bias current of 20 nA.
- Large Output Voltage Swing: Minimum output voltage swing from 0 V to 3.5 V (VCC = 5 V).
- Stability With High Capacitive Loads: Stable operation with high capacitive loads, particularly at unity gain.
Applications
- Desktop PCs: Suitable for various signal conditioning tasks in desktop computers.
- HVAC Systems: Used in heating, ventilating, and air conditioning systems for signal processing.
- Portable Media Players: Ideal for battery-powered media players due to its low power consumption.
- Refrigerators and Washing Machines: Used in high-end and low-end appliances for signal conditioning and control.
Q & A
- What is the operating voltage range of the TS321?
The TS321 can operate on a single supply from 3 V to 30 V or a dual supply from ±1.5 V to ±15 V.
- What is the typical supply current of the TS321?
The typical supply current is 500 μA.
- What is the input bias current of the TS321?
The typical input bias current is 20 nA.
- What is the gain bandwidth product of the TS321?
The gain bandwidth product is 0.8 MHz.
- Is the TS321 stable with high capacitive loads?
Yes, the TS321 is stable with high capacitive loads, particularly at unity gain.
- What are the common applications of the TS321?
The TS321 is commonly used in desktop PCs, HVAC systems, portable media players, refrigerators, and washing machines.
- What is the package type and number of pins for the TS321IDBVT?
The TS321IDBVT comes in a SOT-23 (DBV) package with 5 pins.
- What is the operating temperature range of the TS321?
The operating temperature range is from -40°C to 125°C.
- Can the inputs of the TS321 exceed the supply voltage without damage?
Yes, the inputs can exceed the supply voltage up to the maximum VCC without device damage, but at least one input must be within the valid common-mode range for correct output phase.
- How should the power supply be configured for the TS321?
The power supply should be configured such that the supply voltage is larger than the input voltage range and output range. Bypass capacitors should be used to reduce noise from the power supply.
