Description

The AD7891APZ is an electronic component model that belongs to the ADCs/DACs product category. It is an 8-channel, 12-bit data acquisition system with a parallel or serial interface structure. Its input multiplexer, on-chip track/hold amplifier, high-speed 12-bit ADC, 2.5V reference, and high-speed interface make it a versatile component. The part can operate from a single 5V supply and offers two analog input range models, AD7891-1 (±5 V and ±10 V) and AD7891-2 (0 V to +2.5 V, 0 V to +5 V, and ±2.5V).

Specifications and features

• Fast 12-Bit ADC with 1.6 μs Conversion Time
• 8 Single-Ended Analog Input Channels
• Overvoltage Protection on Each Channel
• Selection of Input Ranges: ±5 V, ±10 V for AD7891-1 0 to +2.5 V, 0 to +5 V, ±2.5 V for AD7891-2
• Parallel and Serial Interface
• On-Chip Track/Hold Amplifier
• On-Chip Reference
• Single-Supply, Low Power Operation (100 mW Max)
• Power-Down Mode (75 μW Typ)

Application Scenarios

• Data Acquisition Systems
• Motor Control
• Mobile Communication Base Stations
• Instrumentation

Comparison

• Fast ADC conversion time.
• Overvoltage protection on each channel.
• Offers different input ranges.
• Parallel or serial interface options.
• Low power operation.

• No significant disadvantages have been identified.