規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate(Per Second) | 1M |
| Number of Inputs | 8 |
| Input Type | Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| 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 |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 20-TSSOP |
概述
Description
The AD7928BRUZ is a 12-bit, 8-channel, successive approximation ADC (Analog-to-Digital Converter) from Analog Devices. It features a serial interface (SPI-compatible) and operates at a 1 MSPS (Mega Sample Per Second) conversion rate.
Key features:
- 8 single-ended or 4 pseudo-differential input channels
- Low power consumption (3.5 mW at 1 MSPS, 15 µW in shutdown)
- 2.7V to 5.25V supply range
- Internal reference (2.5V) or external reference support
- 16-lead TSSOP package
Applications include data acquisition, industrial control, and medical instruments. The device offers flexible power management and high-speed, accurate conversions, making it suitable for multi-channel systems.
For detailed specs, refer to the datasheet.
Key features:
- 8 single-ended or 4 pseudo-differential input channels
- Low power consumption (3.5 mW at 1 MSPS, 15 µW in shutdown)
- 2.7V to 5.25V supply range
- Internal reference (2.5V) or external reference support
- 16-lead TSSOP package
Applications include data acquisition, industrial control, and medical instruments. The device offers flexible power management and high-speed, accurate conversions, making it suitable for multi-channel systems.
For detailed specs, refer to the datasheet.
Equivalent
The AD7928BRUZ is an 8-channel, 12-bit ADC. Equivalent alternatives include:
- AD7928BRUZ-REEL (same specs, tape/reel packaging)
- AD7928WBRUZ (wider temp range)
- AD7927BRUZ (10-bit resolution, otherwise similar)
- LTC1867L (12-bit, 8-channel, from Linear Tech)
- MAX1308 (12-bit, 8-channel, from Maxim Integrated)
Check datasheets for exact compatibility in voltage, speed, and interface (SPI).
- AD7928BRUZ-REEL (same specs, tape/reel packaging)
- AD7928WBRUZ (wider temp range)
- AD7927BRUZ (10-bit resolution, otherwise similar)
- LTC1867L (12-bit, 8-channel, from Linear Tech)
- MAX1308 (12-bit, 8-channel, from Maxim Integrated)
Check datasheets for exact compatibility in voltage, speed, and interface (SPI).
Pinout
The AD7928BRUZ is a 12-bit, 8-channel successive approximation ADC (SAR ADC) in a 20-pin TSSOP package.
Key Functions:
- 8 analog input channels with single-ended operation.
- SPI-compatible serial interface for communication.
- 2.5V to 5.25V supply range, supporting low-power operation.
- On-chip track-and-hold and reference (2.5V internal, or external reference option).
- Throughput: Up to 1 MSPS (all channels).
Pin Count: 20 pins (TSSOP package).
Typical applications include data acquisition, industrial control, and medical instruments.
Key Functions:
- 8 analog input channels with single-ended operation.
- SPI-compatible serial interface for communication.
- 2.5V to 5.25V supply range, supporting low-power operation.
- On-chip track-and-hold and reference (2.5V internal, or external reference option).
- Throughput: Up to 1 MSPS (all channels).
Pin Count: 20 pins (TSSOP package).
Typical applications include data acquisition, industrial control, and medical instruments.
Application
The AD7928BRUZ is an 8-channel, 12-bit ADC with SPI interface, widely used in:
- Industrial Automation: Process control, PLCs, and monitoring systems.
- Medical Equipment: Patient monitoring and diagnostic devices.
- Automotive Systems: Sensor data acquisition and battery management.
- Consumer Electronics: Audio processing and touchscreen interfaces.
- Test & Measurement: Data logging and instrumentation.
Its high-speed (1 MSPS), low power, and multi-channel capability make it ideal for precision analog signal acquisition in compact designs.
- Industrial Automation: Process control, PLCs, and monitoring systems.
- Medical Equipment: Patient monitoring and diagnostic devices.
- Automotive Systems: Sensor data acquisition and battery management.
- Consumer Electronics: Audio processing and touchscreen interfaces.
- Test & Measurement: Data logging and instrumentation.
Its high-speed (1 MSPS), low power, and multi-channel capability make it ideal for precision analog signal acquisition in compact designs.
Package
The AD7928BRUZ is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) with 20 leads. This compact, surface-mount package is suitable for space-constrained applications, offering reliable performance for analog-to-digital converters. The TSSOP-20 provides good thermal and electrical characteristics, making it ideal for industrial and embedded systems.
