Overview
The AD7547JR from Analog Devices Inc. is a 12-bit dual digital-to-analog converter (DAC) integrated circuit. This device features two independent DACs on a single monolithic chip, along with on-chip level shifters, data registers, and control logic. The AD7547JR is designed for ease of use and high performance in various analog output applications. However, it is important to note that the AD7547JR is now obsolete and no longer manufactured, with available substitutes such as the AD7547JRZ.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 12 |
| Number of D/A Converters | 2 |
| Settling Time | 1.5 µs |
| Output Type | Current - Unbuffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External Voltage |
| Analog Supply Voltage | 10.8 V ~ 16.5 V |
| Digital Supply Voltage | 10.8 V ~ 16.5 V |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
Key Features
- Dual 12-bit DACs on a single chip, providing two independent analog outputs.
- On-chip level shifters, data registers, and control logic for easy integration.
- Parallel data interface for straightforward data transfer.
- External voltage reference for precise analog output control.
- R-2R architecture ensuring high linearity and accuracy.
- Wide operating temperature range of -40°C to 85°C.
- Surface mount packaging in 24-SOIC, suitable for modern PCB designs.
Applications
The AD7547JR is suitable for various applications requiring precise analog output control, such as:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Test and measurement equipment.
Q & A
- What is the number of bits in the AD7547JR DAC?
The AD7547JR is a 12-bit DAC. - How many DACs are integrated on the AD7547JR chip?
The AD7547JR contains two independent DACs. - What is the settling time of the AD7547JR?
The settling time is 1.5 µs. - What type of output does the AD7547JR provide?
The output is current, unbuffered. - Is the AD7547JR still in production?
No, the AD7547JR is obsolete and no longer manufactured. - What are the available substitutes for the AD7547JR?
Available substitutes include the AD7547JRZ. - What is the operating temperature range of the AD7547JR?
The operating temperature range is -40°C to 85°C. - What type of packaging does the AD7547JR use?
The AD7547JR is packaged in a 24-SOIC surface mount package. - What is the architecture of the AD7547JR DAC?
The architecture is R-2R. - What is the supply voltage range for the AD7547JR?
The supply voltage range is 10.8 V to 16.5 V for both analog and digital supplies.
