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AD7993BRUZ-0
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Product Detailed Parameters
- Description：IC ADC 10BIT SAR 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：10
- Sampling Rate (Per Second)：188k
- Number of Inputs：4
- Input Type：Single Ended
- Data Interface：I2C
- 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 ~ 5.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- Features：-
- Operating Temperature：-40°C ~ 125°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 AD7993BRUZ-0 is a 4-channel, 10-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It features an I2C-compatible serial interface and operates on a single power supply ranging from 2.7 V to 5.5 V. The device provides a throughput rate of up to 188 kSPS with a typical conversion time of 2 µs. It includes four single-ended analog input channels, an external reference input, and supports standard and fast I2C modes. The component is housed in a 16-lead TSSOP package and is specified for operation across a temperature range of -40°C to +125°C.
Feature Summary
- I2C-compatible serial interface supporting standard and fast modes
- Sequencer operation with automatic cycle interval mode
- Out-of-range indicator/alert function via ALERT/BUSY pin
- Low power consumption with shutdown mode drawing 1 µA max
Applications
- Portable instrumentation systems requiring low power
- Industrial process control data acquisition
- Battery-powered measurement devices
- Multi-channel sensor monitoring applications
Procurement Notes
Verify the specific suffix '-0' indicates support for standard and fast I2C modes only, distinct from the '-1' variant which supports high-speed mode. Confirm the B version designation corresponds to the industrial temperature range of -40°C to +125°C. Ensure the 16-lead TSSOP package matches the target PCB footprint requirements.
Selection Notes
Select this component when four single-ended inputs are required within a space-constrained design utilizing an I2C bus. Consider the AD7994 if 12-bit resolution is necessary instead of 10 bits. Verify that the system clock frequency does not exceed 400 kHz for the AD7993-0 variant. Ensure an external voltage reference between 1.2 V and VDD is available for the REFIN pin.
Part Context
The AD7993 belongs to a family of low-power, multi-channel ADCs from Analog Devices. It shares architectural similarities with the AD7994 (12-bit version) and relates to the AD7998 (8-channel) and AD7992 (2-channel) equivalents. The device utilizes a SAR architecture optimized for low power consumption while maintaining high throughput rates suitable for general-purpose data acquisition tasks.
Replacement Considerations
AD7993BRUZ-1: Supports high-speed I2C mode in addition to standard and fast modes.
FAQ
What I2C speed modes does the AD7993-0 support?
The AD7993-0 supports standard mode (up to 100 kHz) and fast mode (up to 400 kHz). It does not support high-speed mode.
How is the I2C address determined for the AD7993-0?
The I2C address is selected via the AS pin. For the AD7993-0, connecting AS to GND sets the address to 010 0001, while connecting it to VDD sets the address to 010 0010.
What is the maximum operating temperature for the B version?
The B version of the AD7993 is specified for an operating temperature range of -40°C to +125°C.
