Overview
The AD7911AUJZ-REEL7 is a high-speed, low-power, 10-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single power supply ranging from 2.35 V to 5.25 V and features a throughput rate of up to 250 kSPS. It is designed for applications requiring fast data acquisition and low power consumption, making it suitable for a variety of systems including battery-powered devices, medical instruments, and mobile communications.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Conversion Rate | 250 kSPS max | - | - |
| Conversion Time | 3.2 μs max | - | 16 SCLK cycles with SCLK at 5 MHz |
| Track-and-Hold Acquisition Time | 290 ns max | - | - |
| VDD | 2.35/5.25 V min/max | V | - |
| IDD (Normal Mode, Static) | 3 mA typ (VDD = 4.75 V to 5.25 V), 1.5 mA typ (VDD = 2.35 V to 3.6 V) | mA | SCLK on or off |
| IDD (Normal Mode, Operational) | 4 mA max (VDD = 4.75 V to 5.25 V), 2 mA max (VDD = 2.35 V to 3.6 V) | mA | fSAMPLE = 250 kSPS |
| Full Power-Down Mode (Static) | 1 μA max | μA | SCLK on or off, typically 50 nA |
| Package | 8-Lead TSOT | - | - |
| Temperature Range | -40°C to +85°C | °C | - |
Key Features
- Fast throughput rate: up to 250 kSPS
- Low power consumption: 4 mW typ at 250 kSPS with 3 V supplies, 13.5 mW typ at 250 kSPS with 5 V supplies
- Wide input bandwidth: can handle input frequencies in excess of 6 MHz
- No pipeline delays
- High speed serial interface: SPI/QSPI/MICROWIRE/DSP compatible
- Standby mode: 1 μA maximum
- Flexible power/serial clock speed management
Applications
- Battery-powered systems
- Personal digital assistants
- Medical instruments
- Mobile communications
- Instrumentation and control systems
- Data acquisition systems
- High speed modems
- Optical sensors
Q & A
- What is the maximum throughput rate of the AD7911AUJZ-REEL7?
The maximum throughput rate is up to 250 kSPS. - What is the power supply range for the AD7911AUJZ-REEL7?
The power supply range is from 2.35 V to 5.25 V. - What is the typical power consumption at 250 kSPS with a 3 V supply?
The typical power consumption is 4 mW. - What is the track-and-hold acquisition time?
The track-and-hold acquisition time is 290 ns max. - What types of interfaces does the AD7911AUJZ-REEL7 support?
The device supports SPI, QSPI, MICROWIRE, and DSP compatible interfaces. - What is the standby current in full power-down mode?
The standby current is 1 μA maximum. - What is the temperature range for the AD7911AUJZ-REEL7?
The temperature range is from -40°C to +85°C. - What package type is the AD7911AUJZ-REEL7 available in?
The device is available in an 8-Lead TSOT package. - What are some common applications for the AD7911AUJZ-REEL7?
Common applications include battery-powered systems, medical instruments, mobile communications, and data acquisition systems. - How does the device manage power and serial clock speed?
The device features flexible power and serial clock speed management.
