Overview
The AD7476BRTZ-R2 is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7476/AD7477/AD7478 series, which are known for their high throughput rates and low power consumption. The AD7476BRTZ-R2 is packaged in a 6-lead SOT-23 package, making it suitable for applications where space is limited. It operates over a temperature range of -40°C to +85°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12-bit | - | - |
| Throughput Rate | 1 MSPS | - | - |
| Conversion Time | 800 ns max (16 SCLK cycles at 20 MHz) | - | - |
| Track-and-Hold Acquisition Time | 400 ns max | - | - |
| VDD Range | 2.35 V to 5.25 V | V | - |
| Power Consumption (Normal Mode, Static) | 2 mA typ (VDD = 4.75 V to 5.25 V), 1 mA typ (VDD = 2.7 V to 3.6 V) | mA | SCLK on or off |
| Power Consumption (Normal Mode, Operational) | 3.5 mA max (VDD = 4.75 V to 5.25 V, fSAMPLE = 1 MSPS) | mA | - |
| Analog Input Range | 0 V to VDD | V | - |
| Output Coding | Straight (Natural) Binary | - | - |
| Package Type | 6-Lead SOT-23 | - | - |
Key Features
- High Throughput Rate: The AD7476BRTZ-R2 offers a throughput rate of 1 MSPS, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: The device features low power dissipation, with typical static power consumption of 2 mA at VDD = 4.75 V to 5.25 V and 1 mA at VDD = 2.7 V to 3.6 V.
- Flexible Power and Serial Clock Speed Management: The conversion rate can be adjusted by changing the serial clock speed, allowing for dynamic power management.
- No Pipeline Delays: The conversion process is initiated on the falling edge of the CS signal, with no pipeline delays, ensuring real-time data acquisition.
- Internal Reference: The reference voltage is taken internally from VDD, providing the widest dynamic input range from 0 V to VDD.
Applications
- Industrial Automation: Suitable for high-speed data acquisition in industrial control systems.
- Medical Devices: Used in medical equipment requiring precise and fast analog-to-digital conversion.
- Aerospace and Defense: Applicable in various aerospace and defense systems due to its reliability and performance over a wide temperature range.
- Automotive Systems: Can be used in automotive applications such as engine control units and sensor systems.
Q & A
- What is the resolution of the AD7476BRTZ-R2?
The AD7476BRTZ-R2 has a resolution of 12 bits.
- What is the maximum throughput rate of the AD7476BRTZ-R2?
The maximum throughput rate is 1 MSPS.
- What is the conversion time of the AD7476BRTZ-R2?
The conversion time is 800 ns maximum (16 SCLK cycles at 20 MHz).
- What is the operating temperature range of the AD7476BRTZ-R2?
The operating temperature range is -40°C to +85°C.
- What is the power supply range for the AD7476BRTZ-R2?
The power supply range is from 2.35 V to 5.25 V.
- How does the AD7476BRTZ-R2 manage power consumption?
The device allows for dynamic power management by adjusting the serial clock speed, which affects the conversion rate and power consumption.
- What is the analog input range for the AD7476BRTZ-R2?
The analog input range is from 0 V to VDD.
- Does the AD7476BRTZ-R2 have pipeline delays?
No, the AD7476BRTZ-R2 does not have pipeline delays associated with its conversion process.
- What is the package type of the AD7476BRTZ-R2?
The package type is a 6-lead SOT-23.
- What kind of output coding does the AD7476BRTZ-R2 use?
The output coding is straight (natural) binary.
