Overview
The LTC1282BCSW#TRPBF is a 12-bit sampling analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high-performance applications, offering a combination of low power consumption, high accuracy, and flexible operation modes. The LTC1282 is capable of operating from a single 3V supply or dual ±3V supplies, making it versatile for various system configurations. It features a built-in sample-and-hold circuit, precision internal reference, and an internally trimmed clock, eliminating the need for external clock sources.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Description | IC A/D CONV SAMPLING W/REF 24SOIC |
| Number of Bits | 12 |
| Sampling Rate | 140 ksamples/s |
| Supply Voltage (Digital/Analog) | 2.7 V to 3.6 V, ±3V |
| Operating Temperature | 0°C to 70°C |
| Input Type | Single Ended |
| Input Range (Unipolar/Bipolar) | 0V to 2.5V / ±1.25V |
| Reference Type | Internal |
| Power Dissipation | 12 mW (typical) |
| Package/Case | 24-Lead Plastic SO Wide |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High-speed sampling rate of 140 ksamples/s with a 6µs conversion time and 1.14µs sample-and-hold time.
- Low power consumption of 12 mW from a single 3V or dual ±3V supply.
- Internal precision reference with a drift of 25 ppm/°C.
- Internally trimmed clock, eliminating the need for an external clock source.
- Unipolar and bipolar conversion modes for flexibility in various applications.
- High impedance analog input.
- ESD protection on all pins.
- High accuracy with ±0.5 LSB INL and ±0.75 LSB DNL.
Applications
- Data acquisition systems.
- Industrial control systems.
- Medical devices requiring high accuracy and low power consumption.
- Aerospace and defense applications where precision and reliability are critical.
- Automotive systems that require robust and accurate analog-to-digital conversion.
Q & A
- What is the sampling rate of the LTC1282BCSW#TRPBF?
The sampling rate of the LTC1282BCSW#TRPBF is 140 ksamples/s.
- What are the operating supply voltage ranges for this ADC?
The ADC can operate from a single 3V supply or dual ±3V supplies.
- What is the input range for unipolar and bipolar modes?
In unipolar mode, the input range is 0V to 2.5V, and in bipolar mode, it is ±1.25V.
- Does the LTC1282BCSW#TRPBF have internal clock and reference?
Yes, it has an internally trimmed clock and a precision internal reference.
- What is the power consumption of the LTC1282BCSW#TRPBF?
The typical power consumption is 12 mW.
- Is the LTC1282BCSW#TRPBF RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the operating temperature range of the LTC1282BCSW#TRPBF?
The operating temperature range is 0°C to 70°C.
- What type of input does the LTC1282BCSW#TRPBF support?
The LTC1282BCSW#TRPBF supports single-ended inputs.
- What is the accuracy of the LTC1282BCSW#TRPBF in terms of INL and DNL?
The ADC has an INL of ±0.5 LSB and a DNL of ±0.75 LSB.
- Does the LTC1282BCSW#TRPBF have ESD protection?
Yes, it has ESD protection on all pins.
