Overview
The AD7545JN is a monolithic 12-bit CMOS multiplying Digital-to-Analog Converter (DAC) produced by Analog Devices. This device is designed to provide high accuracy and reliability in various analog signal processing applications. It features onboard data latches and can be loaded by a single 12-bit wide word, making it compatible with most 12- and 16-bit bus systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Supply Voltage Range | 5 V to 15 V | V |
| Input High Voltage (VIH) | 2.4 V (min) | V |
| Input Low Voltage (VIL) | 0.8 V (max) | V |
| Input Current (IIN) | ±1 µA (max) | µA |
| Input Capacitance | 5 pF (max) | pF |
| Settling Time | 0.6 µs (typ) | µs |
| Output Capacitance (COUT1) | 70 pF to 200 pF (max) | pF |
| Operating Temperature Range | 0°C to +70°C | °C |
| Package Type | 20-Lead PDIP, PLCC, LCCC |
Key Features
- Fast TTL compatible data latches
- Single supply operation from +5 V to +15 V
- Low power consumption (less than 0.5 mW at VDD = +5 V)
- Latch-free operation (Schottky protection diode not required)
- Direct interface to most 12- and 16-bit bus systems
- Onboard data latches for easy data loading
- CMOS logic levels at inputs for compatibility with TTL systems
Applications
- Analog signal processing systems
- Battery-operated equipment due to low power consumption
- Industrial control systems requiring precise analog output
- Medical devices needing accurate analog signal generation
- Aerospace and defense applications requiring reliable DACs
Q & A
- What is the resolution of the AD7545JN DAC?
The AD7545JN has a 12-bit resolution.
- What is the supply voltage range for the AD7545JN?
The supply voltage range is from +5 V to +15 V.
- What is the typical settling time of the AD7545JN?
The typical settling time is 0.6 µs.
- Is the AD7545JN compatible with TTL systems?
Yes, it is compatible with TTL systems due to CMOS logic levels at the inputs.
- What are the common package types for the AD7545JN?
The common package types are 20-Lead PDIP, PLCC, and LCCC.
- What is the operating temperature range of the AD7545JN?
The operating temperature range is from 0°C to +70°C.
- Does the AD7545JN require a Schottky protection diode?
No, it does not require a Schottky protection diode due to latch-free operation.
- How much power does the AD7545JN consume at VDD = +5 V?
It consumes less than 0.5 mW at VDD = +5 V.
- Can the AD7545JN be used in battery-operated equipment?
Yes, it is suitable for battery-operated equipment due to its low power consumption.
- What types of applications benefit from using the AD7545JN?
Applications such as analog signal processing, industrial control, medical devices, and aerospace/defense benefit from using the AD7545JN.
