Overview
The DAC8426FSZ-REEL, produced by Analog Devices Inc., is a quad 8-bit voltage-output CMOS digital-to-analog converter (DAC) integrated into a single chip. This device is designed for high precision and versatility, making it suitable for a variety of applications. It features an internal 10 V bandgap reference, on-board amplifiers, and interface control logic, allowing for efficient and accurate analog output. The DAC8426 is compatible with both single and dual supply configurations and supports TTL/CMOS digital inputs.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| DAC Output Current (Source) | IOUTSOURCE | Digital In = All Ones | - | - | 10 | mA |
| DAC Output Current (Sink) | IOUTSINK | Digital In = All Zeroes, VSS = –5 V | 350 | 450 | - | µA |
| Minimum Load Resistance | RL(MIN) | Digital In = All Ones | - | - | 2 | kΩ |
| VOUT Slew Rate | SR | - | - | - | 4 | V/µs |
| VOUT Settling Time | tS | - | - | - | - | - |
| Power Dissipation | PDISS | - | 90 | 210 | mW | |
| Power Supply Sensitivity | PSS | ∆VDD = ±5% | 0.0002 | 0.01 | %/% |
Key Features
- Four 8-bit voltage-output CMOS DACs on a single chip.
- Internal 10 V bandgap reference.
- On-board amplifiers capable of driving up to 10 mA from either a single or dual supply.
- TTL/CMOS compatible digital inputs.
- Fast 50 ns data load time across all temperatures.
- Pin-for-pin replacement for PM-7226 and AD7226, eliminating the need for an external reference.
- ESD protection circuitry to prevent damage from electrostatic discharges.
Applications
- Process controls.
- Multi-channel microprocessor-controlled systems.
- System calibration.
- Op Amp offset and gain adjustment.
- Level and threshold setting.
Q & A
- What is the DAC8426FSZ-REEL? The DAC8426FSZ-REEL is a quad 8-bit voltage-output CMOS DAC produced by Analog Devices Inc.
- What is the internal reference voltage of the DAC8426? The internal reference voltage is 10 V, provided by a bandgap reference.
- What is the maximum output current of the on-board amplifiers? The on-board amplifiers can drive up to 10 mA from either a single or dual supply.
- What is the data load time of the DAC8426? The data load time is 50 ns across all temperatures.
- Is the DAC8426 compatible with TTL/CMOS digital inputs? Yes, the DAC8426 is compatible with TTL/CMOS digital inputs.
- What are some common applications of the DAC8426? Common applications include process controls, multi-channel microprocessor-controlled systems, system calibration, Op Amp offset and gain adjustment, and level and threshold setting.
- Does the DAC8426 have ESD protection? Yes, the DAC8426 features proprietary ESD protection circuitry.
- What is the minimum load resistance for the DAC outputs? The minimum load resistance is 2 kΩ.
- What is the power dissipation of the DAC8426? The power dissipation is between 90 mW and 210 mW.
- Can the DAC8426 operate with a single or dual supply? Yes, the DAC8426 can operate with either a single or dual supply configuration.
