Overview
The AD5626BRMZ-REEL7, produced by Analog Devices Inc., is a 12-bit, voltage output digital-to-analog converter (DAC) that is part of the nanoDAC® family. This device is designed to operate from a single 5 V supply and features a high-speed, three-wire serial interface compatible with DSPs. The AD5626 includes a DAC, input shift register, latches, a reference, and a rail-to-rail output amplifier. It is available in 8-lead MSOP and LFCSP surface-mount packages and is specified over the extended industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Resolution | N | - | 12 | - | - | Bits |
| Relative Accuracy (INL) | - | Data = 0x000 to 0xFFF | -1 | - | +1 | LSB |
| Differential Nonlinearity (DNL) | - | No missing codes | -1 | - | +1 | LSB |
| Zero-Scale Error | VZSE | Data = 0x000 | 1/2 | - | 3 | LSB |
| Full-Scale Voltage | VFS | Data = 0xFFF | 4.079 | 4.095 | 4.111 | V |
| Full-Scale Tempco | TCVFS | - | - | 20 | - | ppm/°C |
| Output Current | IOUT | Data = 0x800 | -5 | - | 7 | mA |
| Load Regulation at Midscale | LREG | RL = 402 Ω to ∞, data = 0x800 | 1 | - | 3 | LSB |
| Capacitive Load | CL | No oscillation | - | - | 500 | pF |
| Voltage Output Settling Time | tS | To ±1 LSB of final value | - | - | 16 | μs |
| Logic Input Low Voltage | VIL | - | 0.8 | - | - | V |
| Logic Input High Voltage | VIH | - | - | 2.4 | - | V |
| Input Leakage Current | IIL | - | - | - | 10 | μA |
| Input Capacitance | CIL | - | - | - | 10 | pF |
| Positive Supply Current | IDD | VIH = 2.4 V, VIL = 0.8 V, no load | 1.5 | - | 2.5 | mA |
| Power Dissipation | PDISS | VIH = 2.4 V, VIL = 0.8 V, no load | 7.5 | - | 12.5 | mW |
Key Features
- 12-bit Resolution: Provides a high level of precision with 4096 possible output levels.
- Serial Interface: High-speed, three-wire interface compatible with DSPs, including SCLK, SDIN, and LDAC pins.
- Rail-to-Rail Output Amplifier: The output op amp can swing to either rail, offering a range of 0 V to 4.095 V.
- Internal Reference: Laser-trimmed on-chip reference for accurate full-scale output voltage.
- Multiple Packaging Options: Available in 8-lead MSOP and LFCSP surface-mount packages.
- Extended Industrial Temperature Range: Specified to operate from –40°C to +85°C.
- CLR Pin for Reset: Sets the output to zero scale at power on or upon user demand.
- Chip-Select Pin: Allows for connecting multiple DACs.
Applications
The AD5626BRMZ-REEL7 is suitable for a variety of applications requiring precise digital-to-analog conversion. These include:
- Industrial Control Systems: For precise control and monitoring in industrial environments.
- Medical Devices: Where high accuracy and reliability are crucial.
- Aerospace and Defense: For applications requiring robust performance over a wide temperature range.
- Automotive Systems: For control and monitoring in automotive electronics.
- Test and Measurement Equipment: For generating precise analog signals.
Q & A
- What is the resolution of the AD5626BRMZ-REEL7?
The AD5626BRMZ-REEL7 has a 12-bit resolution, providing 4096 possible output levels. - What is the operating voltage range of the AD5626BRMZ-REEL7?
The device operates from a single 5 V supply. - What type of interface does the AD5626BRMZ-REEL7 use?
The device uses a high-speed, three-wire serial interface compatible with DSPs. - What is the temperature range for the AD5626BRMZ-REEL7?
The device is specified to operate from –40°C to +85°C. - What is the purpose of the CLR pin on the AD5626BRMZ-REEL7?
The CLR pin sets the output to zero scale at power on or upon user demand. - Can multiple AD5626BRMZ-REEL7 devices be connected?
Yes, a chip-select pin is provided for connecting multiple DACs. - What is the full-scale voltage of the AD5626BRMZ-REEL7?
The full-scale voltage is 4.095 V. - How long does it take for the output to settle to ±1 LSB of the final value?
The output settling time is 16 μs. - What is the maximum capacitive load for the AD5626BRMZ-REEL7?
The maximum capacitive load is 500 pF without oscillation. - What are the package options for the AD5626BRMZ-REEL7?
The device is available in 8-lead MSOP and LFCSP surface-mount packages.
