Overview
The TS321IDR is a low-power single operational amplifier produced by Texas Instruments. It is designed for cost-sensitive applications where space savings are crucial. The device is available in small packages such as SOIC (8) and SOT-23 (5), making it ideal for compact designs. 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 various applications.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Supply Voltage (Single) | - | 3 | - | 32 | V |
| Supply Voltage (Dual) | - | ±1.5 | - | ±16 | V |
| Input Offset Voltage | RS = 0, 5 V < VCC+ < 30 V, 0 < VIC < (VCC+ – 1.5 V), TA = 25°C | 0.5 | 4 | - | mV |
| Low-Level Output Voltage | RL = 10 kΩ, TA = 25°C | 5 | - | 15 | mV |
| Gain Bandwidth Product | VCC = 30 V, VI = 10 mV, RL = 2 kΩ, f = 100 kHz, CL = 100 pF, TA = 25°C | 0.8 | - | - | MHz |
| Slew Rate | VCC = 15 V, VI = 0.5 V to 3 V, RL = 2 kΩ, CL = 100 pF, unity gain, TA = 25°C | 0.4 | - | - | V/µs |
| Phase Margin | TA = 25°C | 60 | - | - | ° |
| Common-Mode Rejection Ratio | RS ≤10 kΩ, TA = 25°C | 65 | 85 | - | dB |
| Output Source Current | VCC = 15 V, VO = 2 V, VID = 1 V, TA = 25°C | 20 | 40 | - | mA |
| Output Sink Current | VCC = 15 V, VID = 1 V, TA = 25°C | 20 | 40 | - | mA |
Key Features
- Wide power-supply range: Single supply from 3 V to 30 V and dual supply from ±1.5 V to ±15 V.
- Large output voltage swing: Minimum of 0 V to 3.5 V (VCC = 5 V).
- Low supply current: Typical 500 μA.
- Low input bias current: Typical 20 nA.
- Stable with high capacitive loads.
- Available in small SOT-23 and SOIC packages for space savings.
Applications
- Desktop PCs
- HVAC (Heating, Ventilating, and Air Conditioning) systems
- Portable media players
- Refrigerators
- Washing machines (high-end and low-end)
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 are the typical applications of the TS321?
The TS321 is used in desktop PCs, HVAC systems, portable media players, refrigerators, and washing machines. - What is the gain bandwidth product of the TS321?
The gain bandwidth product of the TS321 is 0.8 MHz. - What is the slew rate of the TS321?
The slew rate of the TS321 is 0.4 V/µs. - Is the TS321 stable with high capacitive loads?
Yes, the TS321 is stable with high capacitive loads. - What is the common-mode rejection ratio (CMRR) of the TS321?
The CMRR of the TS321 is between 65 dB and 85 dB. - What are the package options for the TS321?
The TS321 is available in SOIC (8) and SOT-23 (5) packages. - What is the typical supply current of the TS321?
The typical supply current of the TS321 is 500 μA. - What is the input bias current of the TS321?
The typical input bias current of the TS321 is 20 nA. - 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.
