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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 AD7870LNZ is a 12-bit, single-channel analog-to-digital converter from Analog Devices. It provides a sampling rate of 100 kSPS and offers both SPI and parallel interfaces for maximum design flexibility. The internal reference simplifies circuit design, while the 24-pin DIP package is suitable for through-hole assembly. Operating from 0°C to 70°C, it is well-suited for industrial and commercial applications such as sensor interfacing, data acquisition, and motor control.

  • Interface Flexibility: Supports both SPI and parallel connections for easy integration with various microcontrollers.
  • Compact Design: Internal reference eliminates the need for external components.
  • Low Power: Ideal for battery-powered and portable applications.
  • Proven Reliability: Analog Devices' S/H-ADC architecture ensures stable conversion.

Sensor Signal Conditioning

The 12-bit resolution and 100 kSPS sampling rate are ideal for digitizing signals from temperature, strain, and pressure sensors in precision measurement systems.

Portable Medical Devices

With SPI interface and low power consumption, the AD7870LNZ is suitable for battery-operated patient monitors and glucose meters.

Motor Control Systems

The parallel interface allows fast data transfer to DSPs for real-time current and voltage monitoring in industrial motor drives.

Data Acquisition Cards

Its dual interface (SPI/Parallel) provides flexibility for PCI or USB-based DAQ cards used in laboratory automation.

Robotics and Automation

The compact DIP package and reliable performance make it a good choice for robotic control systems requiring accurate position feedback.

Q: What is the resolution of the AD7870LNZ?
A: The AD7870LNZ is a 12-bit analog-to-digital converter.
Q: What is the sampling rate?
A: It supports a maximum sampling rate of 100 kSPS.
Q: How many channels does it have?
A: This device has 1 input channel.
Q: What interfaces are available?
A: It supports both SPI and parallel interfaces.
Q: What is the architecture?
A: It uses a S/H-ADC (Sample and Hold) architecture.
Q: What is the package type?
A: It comes in a 24-pin DIP package.
Base Product Number : AD7870
1-channel 100 kSPS 12-bit ADC Analog Devices Analog-to-Digital Converter DIP-24 Parallel S/H-ADC SPI
Q: What is the resolution of the AD7870LNZ?
A: The AD7870LNZ is a 12-bit analog-to-digital converter.
Q: What is the sampling rate?
A: It supports a maximum sampling rate of 100 kSPS.
Q: How many channels does it have?
A: This device has 1 input channel.
Q: What interfaces are available?
A: It supports both SPI and parallel interfaces.
Q: What is the architecture?
A: It uses a S/H-ADC (Sample and Hold) architecture.
Q: What is the package type?
A: It comes in a 24-pin DIP package.