Overview
The AD5315BRM from Analog Devices Inc. is a quad 10-bit buffered voltage output Digital-to-Analog Converter (DAC) integrated circuit. It operates from a single supply voltage ranging from 2.5 V to 5.5 V and is designed for low power consumption, typically 500 μA at 3 V and 600 μA at 5 V. The device is packaged in a 10-lead MSOP and features a 2-wire serial interface compatible with I²C and SMBus protocols up to 400 kHz. The AD5315BRM is suitable for various applications requiring precise analog voltage output and low power operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 10 | |
| Number of D/A Converters | 4 | |
| Supply Voltage | 2.5 V to 5.5 V | V |
| Current Consumption | 500 μA @ 3 V, 600 μA @ 5 V | μA |
| Power-Down Current | 80 nA @ 3 V, 200 nA @ 5 V | nA |
| Operating Temperature | -40°C to +105°C | °C |
| Output Type | Voltage - Buffered | |
| Reference Type | External | |
| Settling Time | 9 μs | μs |
| Data Interface | I²C | |
| Package/Case | 10-MSOP |
Key Features
- Quad 10-bit buffered voltage output DACs with rail-to-rail output swing.
- Low power operation: 500 μA at 3 V and 600 μA at 5 V.
- 2-wire serial interface compatible with I²C and SMBus protocols up to 400 kHz.
- Guaranteed monotonic by design over all codes.
- Power-on reset to 0 V and software clear function.
- Simultaneous update of outputs using the LDAC function.
- Three programmable power-down modes with high impedance output or outputs pulled low by on-chip resistors.
- On-chip rail-to-rail output buffer amplifiers with a slew rate of 0.7 V/μs.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- Industrial process control.
Q & A
- What is the supply voltage range of the AD5315BRM?
The AD5315BRM operates from a single supply voltage ranging from 2.5 V to 5.5 V.
- How many DACs are integrated in the AD5315BRM?
The AD5315BRM includes four 10-bit buffered voltage output DACs.
- What is the typical current consumption of the AD5315BRM?
The typical current consumption is 500 μA at 3 V and 600 μA at 5 V.
- What is the operating temperature range of the AD5315BRM?
The operating temperature range is -40°C to +105°C.
- What type of serial interface does the AD5315BRM use?
The AD5315BRM uses a 2-wire serial interface compatible with I²C and SMBus protocols.
- Does the AD5315BRM have a power-on reset feature?
Yes, the AD5315BRM has a power-on reset circuit that ensures the DAC outputs power up to 0 V.
- Can the outputs of all DACs be updated simultaneously?
Yes, the outputs of all DACs can be updated simultaneously using the software LDAC function.
- What are the power-down modes available in the AD5315BRM?
The AD5315BRM has three programmable power-down modes, including high impedance output or outputs pulled low by on-chip resistors.
- What is the settling time of the AD5315BRM?
The settling time is 9 μs.
- Is the AD5315BRM still in production?
No, the AD5315BRM is obsolete and no longer manufactured.
