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AD7911ARM-REEL7
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Product Detailed Parameters
- Description：IC ADC 10BIT DUAL 250KSPS 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：10
- Sampling Rate (Per Second)：250k
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7911ARM-REEL7 is a dual-channel, 10-bit successive approximation analog-to-digital converter manufactured by Analog Devices. It operates from a single supply voltage ranging from 2.35 V to 5.25 V and supports throughput rates up to 250 kSPS. The device features an on-chip track-and-hold amplifier capable of handling input frequencies exceeding 6 MHz. It utilizes a flexible serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards. Power consumption is specified at 4 mW typical at 250 kSPS with 3 V supplies and 13.5 mW typical with 5 V supplies. The component is available in 8-lead MSOP packages.
Feature Summary
- Dual-channel architecture with internal multiplexing for sequential conversion
- Integrated track-and-hold amplifier supporting wide input bandwidth
- Flexible serial interface compatible with standard microprocessor protocols
- Power-down mode capability for reduced current consumption between conversions
Applications
- Battery-powered personal digital assistants
- Medical instrumentation systems
- Mobile communications equipment
- Data acquisition systems
- High-speed modems
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and reel specifications. Ensure compatibility with required operating temperature ranges and supply voltage constraints before integration. Confirm RoHS compliance status through manufacturer datasheets or authorized distributor declarations.
Selection Notes
Select this component when dual-channel 10-bit resolution is required within space-constrained designs. Consider the AD7921 variant if higher 12-bit resolution is necessary for the application. Evaluate power requirements against the specified operational modes to ensure system efficiency targets are met.
Part Context
This part belongs to the AD7911/AD7921 family of low-power, high-speed ADCs from Analog Devices. The series offers both 10-bit and 12-bit resolutions in compact 8-lead packages. These devices are designed for applications requiring moderate speed and low power consumption in portable electronics.
Replacement Considerations
The AD7921 serves as a higher-resolution alternative within the same family. Other members of the AD79xx series may offer different channel counts or performance characteristics.
