Overview
The AD7911ARMZ is a 10-bit, high-speed, low-power, 2-channel successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single power supply ranging from 2.35 V to 5.25 V and features a throughput rate of up to 250 kilosamples per second (kSPS). The AD7911ARMZ is designed to provide low power consumption and high-speed data acquisition, making it suitable for a variety of applications, including battery-powered systems, medical instruments, and data acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10-bit | |
| Throughput Rate | Up to 250 | kSPS |
| Power Supply Range | 2.35 V to 5.25 V | |
| Power Consumption (typical at 250 kSPS) | 4 mW at 3 V, 13.5 mW at 5 V | |
| Input Bandwidth | Exceeds 6 MHz | |
| Signal-to-Noise Ratio (SNR) at 100 kHz input frequency | 71 dB minimum | |
| Package Type | 8-lead TSOT, 8-lead MSOP | |
| Standby Current | 1 μA maximum |
Key Features
- Fast throughput rate of up to 250 kSPS
- Low power consumption: 4 mW typical at 250 kSPS with 3 V supplies, 13.5 mW typical at 250 kSPS with 5 V supplies
- Wide input bandwidth exceeding 6 MHz
- Flexible power and serial clock speed management
- No pipeline delays
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP
- Standby mode with a maximum current of 1 μA
- Available in 8-lead TSOT and 8-lead MSOP packages
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 ADC?
The AD7911ARMZ is a 10-bit ADC.
- What is the maximum throughput rate of the AD7911ARMZ?
The maximum throughput rate is up to 250 kSPS.
- What is the power supply range for the AD7911ARMZ?
The power supply range is from 2.35 V to 5.25 V.
- How much power does the AD7911ARMZ typically consume at 250 kSPS?
It typically consumes 4 mW at 3 V and 13.5 mW at 5 V.
- What is the input bandwidth of the AD7911ARMZ?
The input bandwidth exceeds 6 MHz.
- What is the signal-to-noise ratio (SNR) at a 100 kHz input frequency?
The SNR is at least 71 dB.
- In what packages is the AD7911ARMZ available?
It is available in 8-lead TSOT and 8-lead MSOP packages.
- Does the AD7911ARMZ have pipeline delays?
No, there are no pipeline delays associated with this part.
- What interfaces is the AD7911ARMZ compatible with?
It is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the standby current of the AD7911ARMZ?
The standby current is a maximum of 1 μA.
