Overview
The AD7911ARMZ-REEL7 is a 10-bit, dual-channel, successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for high-speed, low-power applications and operates from a single power supply ranging from 2.35 V to 5.25 V. The AD7911 features a throughput rate of up to 250 kSPS, making it suitable for various data acquisition and control systems.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 10-bit | - | - |
| Number of Channels | 2 | - | - |
| Throughput Rate | 250 kSPS | - | - |
| Conversion Time | 3.2 μs max | - | 16 SCLK cycles with SCLK at 5 MHz |
| Track-and-Hold Acquisition Time | 290 ns max | - | - |
| Power Supply (VDD) | 2.35 V to 5.25 V | V | - |
| Normal Mode Power Consumption (at 3 V) | 4 mW typ | mW | fSAMPLE = 250 kSPS |
| Normal Mode Power Consumption (at 5 V) | 13.5 mW typ | mW | fSAMPLE = 250 kSPS |
| Full Power-Down Mode Current | 1 μA max | μA | SCLK on or off |
| Package Type | 8-lead MSOP | - | - |
Key Features
- Fast throughput rate of up to 250 kSPS
- Low power consumption: 4 mW at 3 V and 13.5 mW at 5 V with fSAMPLE = 250 kSPS
- Wide input bandwidth with a minimum SNR of 71 dB at 100 kHz input frequency
- No pipeline delays
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP
- Standby mode with a maximum current of 1 μA
- Flexible power and 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 resolution of the AD7911ARMZ-REEL7 ADC?
The AD7911ARMZ-REEL7 has a resolution of 10 bits.
- How many channels does the AD7911ARMZ-REEL7 support?
The AD7911ARMZ-REEL7 supports 2 channels.
- What is the maximum throughput rate of the AD7911ARMZ-REEL7?
The maximum throughput rate is up to 250 kSPS.
- What is the power supply range for the AD7911ARMZ-REEL7?
The power supply range is from 2.35 V to 5.25 V.
- What is the typical power consumption at 3 V and 5 V with a sampling rate of 250 kSPS?
At 3 V, the typical power consumption is 4 mW, and at 5 V, it is 13.5 mW.
- What is the package type of the AD7911ARMZ-REEL7?
The package type is 8-lead MSOP.
- Does the AD7911ARMZ-REEL7 have any pipeline delays?
No, the AD7911ARMZ-REEL7 does not have any pipeline delays.
- What serial interfaces is the AD7911ARMZ-REEL7 compatible with?
The AD7911ARMZ-REEL7 is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the maximum current in standby mode?
The maximum current in standby mode is 1 μA.
- What are some typical applications of the AD7911ARMZ-REEL7?
Typical applications include battery-powered systems, medical instruments, mobile communications, instrumentation and control systems, data acquisition systems, high-speed modems, and optical sensors.
