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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging Marketplace | Tube
Number of Bits 12
Sampling Rate (Per Second) 100k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI, Parallel
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type Internal
Voltage - Supply, Analog ±5V
Voltage - Supply, Digital ±5V
Features -
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Grade -
Qualification -
Package / Case 24-DIP (0.300", 7.62mm)
Supplier Device Package 24-PDIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Analog Devices AD7870KNZ is a versatile 12-bit analog-to-digital converter offering both SPI and parallel interfaces for maximum design flexibility. With a sampling rate of 100 kSPS and a single input channel, it delivers accurate and fast conversions for a wide range of applications. The internal reference simplifies circuit design, while the S/H architecture ensures precise sampling. Packaged in a 24-pin DIP, it operates from 0°C to 70°C. This ADC is perfect for portable medical devices, motor control, and data acquisition systems.

  • Dual Interface: Supports both SPI and parallel, providing flexibility for various microcontroller and DSP connections.
  • Fast Sampling: 100 kSPS rate enables real-time processing of dynamic signals.
  • Internal Reference: Reduces external component count and simplifies design.
  • Compact Package: The 24-pin DIP is easy to handle and suitable for through-hole PCB designs.

Precision Sensor Interfaces

The 12-bit resolution and 100 kSPS sampling rate make it ideal for digitizing temperature, pressure, and strain gauge outputs in industrial sensors.

Portable Medical Devices

With its low power consumption and SPI interface, it is suitable for battery-powered patient monitoring devices like pulse oximeters.

Motor Control Systems

The fast sampling rate allows for accurate current and voltage sensing in motor drives, enabling precise speed and torque control.

Audio Processing

In professional audio equipment, the 12-bit resolution and 100 kSPS rate can be used for digital effects processing and mixing consoles.

Data Acquisition Cards

The dual interface (SPI and parallel) provides flexibility for integration into PC-based data acquisition systems, supporting various bus architectures.

Q: What is the resolution of the AD7870KNZ?
A: It is a 12-bit analog-to-digital converter.
Q: What is the sampling rate?
A: It has a sampling rate of 100 kSPS.
Q: How many channels does it have?
A: It has a single (1) input channel.
Q: What interfaces does it support?
A: It supports both SPI and parallel interfaces.
Q: What is the architecture?
A: It uses a Sample-and-Hold (S/H) ADC architecture.
Q: What is the package type?
A: It is available in a 24-pin DIP package.
Base Product Number : AD7870
100 kSPS 12-bit ADC Analog Devices Analog-to-Digital Converter DIP Parallel SPI
Q: What is the resolution of the AD7870KNZ?
A: It is a 12-bit analog-to-digital converter.
Q: What is the sampling rate?
A: It has a sampling rate of 100 kSPS.
Q: How many channels does it have?
A: It has a single (1) input channel.
Q: What interfaces does it support?
A: It supports both SPI and parallel interfaces.
Q: What is the architecture?
A: It uses a Sample-and-Hold (S/H) ADC architecture.
Q: What is the package type?
A: It is available in a 24-pin DIP package.