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AD7914BRU-REEL
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Product Detailed Parameters
- Description：IC ADC 10BIT 4CH W/SEQ 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：10
- Sampling Rate (Per Second)：1M
- 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：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7914BRU-REEL is a 10-bit, 4-channel successive approximation analog-to-digital converter (ADC) from Analog Devices. It operates on a single supply voltage ranging from 2.7 V to 5.25 V and supports throughput rates up to 1 MSPS. The device features four single-ended analog inputs with an integrated channel sequencer. It utilizes a flexible serial interface compatible with SPI, QSPI, Microwire, and DSP standards. Power consumption reaches a maximum of 13.5 mW at 5 V supplies during operation. The component is housed in a 16-lead TSSOP package.
Feature Summary
- Integrated channel sequencer for automated sequential conversion of multiple single-ended inputs
- VDRIVE function enabling direct connection to 3 V or 5 V processor systems independent of the analog supply
- Flexible power management with full shutdown mode reducing current consumption to 0.5 µA maximum
- No pipeline delays allowing accurate control of sampling instants via the CS input
Applications
- Industrial process control systems requiring multi-channel data acquisition
- Battery-powered instrumentation benefiting from low power consumption and single-supply operation
- Automotive applications due to qualification for automotive environments
- Data acquisition modules interfacing with microprocessors or DSPs
Procurement Notes
Verify the specific ordering suffix matches the required packaging format, as REEL indicates tape and reel delivery. Confirm that the B version temperature range of -40°C to +85°C aligns with the operational environment requirements. Ensure the external reference voltage is set to 2.5 V ±1% for specified performance metrics. Check for availability constraints as distribution status may vary by region.
Selection Notes
Select this model when 10-bit resolution and 1 MSPS throughput are required for four single-ended channels. Compare against the AD7904 for 8-bit applications or the AD7924 for 12-bit precision needs. Consider the external reference requirement and the need for a track-and-hold amplifier with wide bandwidth. Evaluate power budget constraints against the 13.5 mW maximum dissipation at 5 V.
Part Context
This component belongs to the AD7904/AD7914/AD7924 family of high-speed, low-power ADCs. All variants share identical pinouts, serial interfaces, and functional blocks, differing primarily in resolution: 8-bit, 10-bit, and 12-bit respectively. The family emphasizes low power consumption and flexible power-clock speed management within a compact 16-lead TSSOP package.
Replacement Considerations
The AD7914BRUZ is the tube-packaged equivalent of the same electrical specification. For higher resolution, the AD7924 series offers 12-bit performance with similar form factors. For lower resolution needs, the AD7904 provides 8-bit accuracy. Verify pin compatibility and software register settings when substituting within the family.
