Overview
The LTC2624CGN#PBF is a quad 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This component is part of the LTC2604/LTC2614/LTC2624 family, which includes 16-bit, 14-bit, and 12-bit DACs, respectively. The LTC2624CGN#PBF is housed in a 16-lead narrow SSOP package and features rail-to-rail voltage output for each DAC.
These DACs are designed for high performance and reliability, making them suitable for a variety of applications that require precise analog output. The device operates over a wide supply range of 2.5V to 5.5V and is known for its low power consumption and high output drive capabilities.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | 12 bits | ||||
| Supply Voltage | 2.5V | 5.5V | V | ||
| Power Consumption per DAC | VCC = 3V | 250μA | μA | ||
| Power-Down Current per DAC | 1μA | μA | |||
| Settling Time for 1LSB Step | 7μs | 10μs | μs | ||
| Output Drive Capability | ±15mA | mA | |||
| Crosstalk Between DACs | <5μV | μV | |||
| Operating Temperature Range | 0°C | 70°C | °C |
Key Features
- Separate Reference Inputs for Each DAC: Allows for independent reference settings for each of the four DACs.
- Guaranteed Monotonic Over Temperature: Ensures that the DACs maintain their monotonic behavior across the entire operating temperature range.
- Low Power Operation: Consumes only 250μA per DAC at 3V supply voltage.
- Individual DAC Power-Down: Each DAC can be powered down to a maximum of 1μA.
- Ultralow Crosstalk Between DACs: Less than 5μV crosstalk, ensuring minimal interference between channels.
- High Rail-to-Rail Output Drive: Capable of driving loads up to ±15mA.
- Double Buffered Digital Inputs: Provides additional stability and noise immunity for digital inputs.
- Power-On Reset to Midscale: The LTC2624-1 version resets to midscale during power-up.
- SPI/MICROWIRE Compatible 3-Wire Serial Interface: Supports clock rates up to 50MHz and includes daisy-chain capability and a hardware CLR function.
Applications
- Mobile Communications: Suitable for use in mobile communication systems due to its low power consumption and high performance.
- Process Control and Industrial Automation: Ideal for industrial control systems that require precise analog outputs.
- Instrumentation: Used in various instrumentation applications where high accuracy and reliability are crucial.
- Automatic Test Equipment: Employed in test and measurement equipment for its precision and stability.
Q & A
- What is the resolution of the LTC2624CGN#PBF DAC?
The LTC2624CGN#PBF is a 12-bit digital-to-analog converter.
- What is the supply voltage range for the LTC2624CGN#PBF?
The supply voltage range is from 2.5V to 5.5V.
- How much power does each DAC consume at 3V supply voltage?
Each DAC consumes 250μA at 3V supply voltage.
- What is the maximum power-down current for each DAC?
The maximum power-down current for each DAC is 1μA.
- What is the settling time for a 1LSB step?
The settling time for a 1LSB step is typically 7μs to 10μs.
- What is the output drive capability of the DACs?
The DACs can drive loads up to ±15mA.
- What is the crosstalk between DACs?
The crosstalk between DACs is less than 5μV.
- What is the operating temperature range for the LTC2624CGN#PBF?
The operating temperature range is from 0°C to 70°C.
- Does the LTC2624CGN#PBF have a power-on reset feature?
Yes, the LTC2624-1 version has a power-on reset feature that resets the DACs to midscale during power-up.
- What type of serial interface does the LTC2624CGN#PBF use?
The LTC2624CGN#PBF uses an SPI/MICROWIRE compatible 3-wire serial interface that can operate at clock rates up to 50MHz.
