Overview
The AD7450ABRMZ is a 12-bit, high-speed, low-power successive approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device features a fully differential analog input and operates from a single 3 V or 5 V power supply. It is designed to achieve very low power dissipation at throughput rates up to 1 MSPS, making it suitable for a variety of applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Resolution | 12-bit | Number of bits in the digital output | |
| Throughput Rate | Up to 1 MSPS | samples per second | Maximum sampling rate |
| Power Supply | 3 V or 5 V | V | Operating voltage range |
| Power Consumption | 4 mW (at 3 V, 1 MSPS) | mW | Typical power consumption at maximum throughput |
| Input Type | Fully differential | Type of analog input | |
| Reference Voltage | 100 mV to 3.5 V | V | Range of external reference voltage |
| Operating Temperature | -40°C to +85°C | °C | Temperature range for operation |
| Package Type | 8-lead MSOP | Physical package of the device | |
| Serial Interface | SPI/QSPI™/MICROWIRE™/DSP compatible | Type of serial interface supported | |
| Conversion Time | 888 ns max (at 1 MSPS) | ns | Maximum time for a single conversion |
Key Features
- High throughput with low power consumption, achieving up to 1 MSPS with 4 mW power dissipation at 3 V supply.
- Fully differential analog input with a wide input bandwidth, suitable for handling input frequencies up to 3.5 MHz.
- No pipeline delays due to the SAR architecture.
- Flexible power and serial clock speed management.
- Power-down mode with a maximum current of 1 μA.
- High speed serial interface compatible with SPI/QSPI™/MICROWIRE™/DSP.
- External reference voltage input ranging from 100 mV to 3.5 V.
Applications
- Transducer interface: Suitable for interfacing with various transducers due to its differential input and flexible reference voltage.
- Battery-powered systems: Ideal for battery-powered devices due to its low power consumption.
- Data acquisition systems: Used in data acquisition systems requiring high-speed and low-power ADCs.
- Portable instrumentation: Suitable for portable instrumentation applications where power efficiency is crucial.
- Motor control: Can be used in motor control systems that require precise and fast analog-to-digital conversion.
Q & A
- What is the resolution of the AD7450ABRMZ ADC?
The AD7450ABRMZ is a 12-bit analog-to-digital converter. - What are the operating voltage ranges for the AD7450ABRMZ?
The device operates from a single 3 V or 5 V power supply. - What is the maximum throughput rate of the AD7450ABRMZ?
The maximum throughput rate is up to 1 MSPS. - What type of analog input does the AD7450ABRMZ have?
The device features a fully differential analog input. - What is the range of the external reference voltage for the AD7450ABRMZ?
The external reference voltage can range from 100 mV to 3.5 V. - What is the operating temperature range for the AD7450ABRMZ?
The device operates in the temperature range of -40°C to +85°C. - What type of package does the AD7450ABRMZ come in?
The device is packaged in an 8-lead MSOP package. - What serial interfaces are supported by the AD7450ABRMZ?
The device supports SPI/QSPI™/MICROWIRE™/DSP compatible serial interfaces. - What is the maximum conversion time for the AD7450ABRMZ at 1 MSPS?
The maximum conversion time is 888 ns. - Does the AD7450ABRMZ have any pipeline delays?
No, the SAR architecture of the AD7450ABRMZ ensures there are no pipeline delays.
