Overview
The TS321IDBVTG4 is a low-power single operational amplifier produced by Texas Instruments. This device is designed for cost-sensitive applications where space savings are crucial. It is available in the compact SOT-23 package, making it ideal for applications requiring minimal board space.
The TS321 can operate with a single supply voltage ranging from 3 V to 30 V or a dual supply voltage ranging from ±1.5 V to ±15 V. This versatility makes it suitable for a wide range of signal conditioning applications.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Supply Voltage (Single) | 3 | 30 | V | ||
| Supply Voltage (Dual) | ±1.5 | ±15 | V | ||
| Input Offset Voltage | RS = 0, 5 V < VCC+ < 30 V, 0 < VIC < (VCC+ – 1.5 V), TA = 25°C | 0.5 | 4 | mV | |
| Supply Current | VCC+ = 5 V, VCC– = GND | 500 | μA | ||
| Input Bias Current | VCC+ = 5 V, VCC– = GND | 20 | nA | ||
| Gain Bandwidth Product | 0.8 | MHz | |||
| Slew Rate | 0.2 | V/μs | |||
| Output Voltage Swing | VCC = 5 V | 0 | 3.5 | V |
Key Features
- Wide Power-Supply Range: Single supply from 3 V to 30 V or dual supply from ±1.5 V to ±15 V.
- Large Output Voltage Swing: From 0 V to 3.5 V (minimum) when VCC = 5 V.
- Low Supply Current: Typical supply current of 500 μA.
- Low Input Bias Current: Typical input bias current of 20 nA.
- Stability With High Capacitive Loads: Stable operation with high capacitive loads, especially 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 devices due to its low power consumption.
- Refrigerators and Washing Machines: Applicable in both high-end and low-end appliances for signal conditioning.
Q & A
- What is the operating voltage range of the TS321?
The TS321 can operate with a single supply voltage from 3 V to 30 V or a dual supply voltage 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 used in desktop PCs, HVAC systems, portable media players, refrigerators, and washing machines.
- What package types are available for the TS321?
The TS321 is available in SOIC (8-pin) and SOT-23 (5-pin) packages.
- How should the power supply be configured for the TS321?
The supply voltage must be selected such that it is larger than the input voltage range and output range. Bypass capacitors should be used to reduce noise.
- What are the layout guidelines for using the TS321?
Good PCB layout practices should be followed, including using bypass capacitors, keeping input traces away from supply lines, and placing components close to the device.
- What is the thermal resistance of the TS321 in the SOT-23 package?
The junction-to-ambient thermal resistance (RθJA) for the SOT-23 package is 206°C/W.
