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AD7924BRUZ-REEL
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Product Detailed Parameters
- Description：IC ADC 12BIT SAR 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：12
- Sampling Rate (Per Second)：1M
- Number of Inputs：4
- Input Type：Single Ended
- Data Interface：SPI, DSP
- Configuration：MUX-S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：SAR
- Reference Type：External
- Voltage - Supply, Analog：2.7V ~ 5.25V
- Voltage - Supply, Digital：2.7V ~ 5.25V
- 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 AD7924BRUZ-REEL is a 12-bit, 4-channel successive approximation analog-to-digital converter (ADC) from Analog Devices. It operates on a single 2.7 V to 5.25 V supply with a maximum throughput rate of 1 MSPS. The device features four single-ended inputs managed by a channel sequencer and includes a wide bandwidth track-and-hold amplifier. Key electrical parameters include a signal-to-noise ratio of 70 dB at 50 kHz input frequency, 13.5 mW maximum power dissipation at 5 V supplies, and an operating temperature range of -40°C to +85°C for the B version. It utilizes an external reference input and supports SPI/QSPI/MICROWIRE/DSP compatible serial interfaces.
Feature Summary
- Four single-ended analog inputs with a programmable channel sequencer for sequential conversion.
- Flexible power management with full shutdown mode reducing current consumption to 0.5 µA maximum.
- VDRIVE function allows the serial interface to connect directly to 3 V or 5 V processor systems independent of AVDD.
- No pipeline delays associated with the successive approximation conversion process.
Applications
- Industrial process control systems requiring multi-channel data acquisition.
- Battery-powered instrumentation benefiting from low power consumption modes.
- Automotive applications qualified under automotive standards.
- Data acquisition modules interfacing with microprocessors or DSPs.
Procurement Notes
Verify the specific ordering suffix matches the required package and reel quantity. Confirm that the B version temperature rating (-40°C to +85°C) aligns with the application environment. Ensure the external reference voltage is set to 2.5 V ±1% for specified performance. Check compatibility with the host system's serial clock speed and logic levels.
Selection Notes
Select this component when 12-bit resolution and 1 MSPS throughput are required for four single-ended channels. Compare against AD7904 and AD7914 if lower resolution options suffice. Consider the AD7927 if eight channels are needed instead of four. Verify that the 16-lead TSSOP package fits the PCB layout constraints. Ensure the application can provide the necessary external reference voltage.
Part Context
The AD7924 is part of the AD7904/AD7914/AD7924 family of high-speed, low-power ADCs. These devices share identical pinouts and functional blocks, differing primarily in resolution (8-bit, 10-bit, and 12-bit respectively). The BRUZ suffix indicates the B grade temperature range and TSSOP-16 packaging. The REEL suffix denotes tape and reel packaging for automated assembly.
Replacement Considerations
AD7924BRU is the non-reel version of the same component. AD7924WYRUZ is the automotive qualified W version with extended temperature range. AD7914BRUZ offers 10-bit resolution, and AD7904BRUZ offers 8-bit resolution within the same package.
