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LTC1867CGN

Name: LTC1867CGN
Rating: 4.7 (12 reviews)

IC ADC 16BIT 8CH 200KSPS 16SSOP

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規格

Part Status	Discontinued at DigiKey
Base Product Number	LTC1867
Number of Bits	16
Sampling Rate (Per Second)	200k
Number of Inputs	8
Input Type	Differential, Single Ended
Data Interface	SPI
Configuration	MUX-S/H-ADC
Ratio - S/H:ADC	1:1
Number of A/D Converters	1
Architecture	SAR
Reference Type	External, Internal
Voltage - Supply, Analog	4.75V ~ 5.25V
Voltage - Supply, Digital	4.75V ~ 5.25V
Operating Temperature	0°C ~ 70°C
Package	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package	16-SSOP
Mounting Type	Surface Mount
Packaging	Tube

概述

Description

The LTC1867CGN is a 16-bit, successive approximation analog-to-digital converter (ADC) produced by Analog Devices. It operates at a maximum sampling rate of 100 kSPS and features a low power consumption of about 1.5 mA in normal mode. The device offers a differential input range of ±10V or a single-ended input range of 0 to 10V. Its integrated features include an internal reference and a serial interface for easy communication with microcontrollers and digital systems.
The LTC1867 is notable for its low noise performance, making it suitable for precision measurement applications in industrial, medical, and instrumentation markets. The chip supports both external and internal voltage references, allowing flexibility in various applications. With a simple configuration and a compact package, the LTC1867CGN is ideal for applications where high accuracy and reliability are essential.

Features

The LTC1867CGN is a 16-bit analog-to-digital converter (ADC) featuring a sampling rate of up to 100 kSPS. Key features include:
1. Resolution: 16-bit conversion for high precision.
2. Input Range: ±10V (differential input) or 0V to 10V (single-ended input).
3. Low Power Consumption: Operates on a single 5V supply with low power requirements.
4. SPI Interface: Serial Peripheral Interface (SPI) for easy integration with microcontrollers.
5. Internal Reference: Built-in 2.5V reference to simplify design.
6. Differential Inputs: Reduces noise and improves accuracy in noisy environments.
7. Fast Conversion Time: 8µs typical conversion time enhances throughput.
8. Single Cycle Settling: Ensures quick response to input changes.
9. Enhanced Linearity: Features integral and differential non-linearity specifications.
These features make the LTC1867CGN suitable for various applications including data acquisition, industrial control, and portable instrumentation.

Package

The LTC1867CGN is available in a 20-lead TSSOP (Thin Shrink Small Outline Package) configuration. This type of package is designed for compactness and efficient thermal performance in electronic applications.

Pinout

The LTC1867CGN is a 16-bit analog-to-digital converter (ADC) with a pin count of 28.
Pin Functions:
1. VREF: Reference voltage input.
2. VSS: Ground pin.
3. VDD: Supply voltage.
4. A0-A3: Analog input channels (four channels).
5. DIN: Digital input for control bits.
6. DOUT: Digital output for the converted data.
7. SCLK: Serial clock input.
8. CS: Chip select for enabling/disabling the device.
9. CNVST: Convert start signal input.
10. BUSY: Indicates ongoing conversion.
11. LDAC: Load DAC signal (not used in this ADC).
12. AGND: Analog ground for noise isolation.
13. DGND: Digital ground for noise isolation.
14. Other pins: Configured for additional functionalities like power-down mode and specific timing controls.
This ADC is designed for applications requiring high precision and low power consumption.

Manufacturer

The LTC1867CGN is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company focuses on high-performance semiconductor solutions used in various applications, including communications, industrial automation, automotive, healthcare, and consumer electronics. Founded in 1965, Analog Devices is known for its innovative technologies and commitment to quality, serving a wide range of markets with precision analog and digital signal processing products.

Application

The LTC1867CGN is a 16-bit analog-to-digital converter (ADC) used in various applications, including data acquisition systems, industrial process control, medical instrumentation, and portable measuring devices. It is suitable for low-power applications, signal processing, sensor interfacing, and audio signal conversion. Its high resolution and fast conversion rates make it ideal for precision measurement tasks in both consumer and industrial electronics.

Equivalent

Equivalent products to the LTC1867CGN include the AD7265, MCP3201, and MAX11612. These alternatives offer similar 12-bit resolution and multi-channel capabilities. Ensure to check specifications like sampling rate, power supply requirements, and interface compatibility for your specific application.