Overview
The AD7858LBNZ is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component features a successive approximation register (SAR) architecture and is designed for multichannel data acquisition applications. It operates from a single 3V to 5.5V power supply and offers a flexible analog input structure, making it suitable for various industrial and medical applications. The AD7858LBNZ is available in a 24-pin DIP package and is known for its excellent dynamic performance, including a high signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AD7858LBNZ |
| Package / Case | 24-DIP |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Number of Inputs | 4, 8 |
| Input Type | Pseudo-Differential, Single Ended |
| Sampling Rate (Per Second) | 100 kSPS |
| Reference Type | External, Internal |
| Voltage - Supply, Analog/Digital | 3 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Data Interface | SPI |
Key Features
- High-performance 12-bit ADC with SAR architecture
- Flexible analog input structure supporting 4 or 8 channels
- Pseudo-differential and single-ended input types
- Internal or external reference options
- SPI digital interface for data communication
- Wide supply voltage range (3V ~ 5.5V)
- Extended operating temperature range (-40°C to 85°C)
- Excellent dynamic performance with 74dB SNR and 91dB SFDR
Applications
- Industrial process control
- Instrumentation and measurement
- Medical equipment
- Communications
- Industrial automation
- Aerospace and defense
- Motor and power control
Q & A
- What is the resolution of the AD7858LBNZ ADC?
The AD7858LBNZ has a 12-bit resolution. - What is the sampling rate of the AD7858LBNZ?
The sampling rate is 100 kSPS. - What types of input structures does the AD7858LBNZ support?
The AD7858LBNZ supports pseudo-differential and single-ended input types. - What is the operating temperature range of the AD7858LBNZ?
The operating temperature range is -40°C to 85°C. - What is the data interface used by the AD7858LBNZ?
The data interface is SPI. - Is the AD7858LBNZ RoHS compliant?
Yes, the AD7858LBNZ is lead-free and RoHS compliant. - What are the typical applications of the AD7858LBNZ?
Typical applications include industrial process control, instrumentation and measurement, and medical equipment. - What is the supply voltage range for the AD7858LBNZ?
The supply voltage range is 3V to 5.5V for both analog and digital supplies. - Does the AD7858LBNZ support internal or external references?
Yes, it supports both internal and external references. - What is the moisture sensitivity level (MSL) of the AD7858LBNZ?
The MSL is 3 (168 Hours).
