Overview
The LTC2321HUFD-12, produced by Analog Devices Inc., is a high-performance, dual-channel, 12-bit analog-to-digital converter (ADC) designed for demanding signal processing applications. This ADC features a successive approximation register (SAR) architecture, offering low noise, high speed, and low power consumption. It is particularly suited for applications requiring high accuracy and precision, such as medical devices, security systems, and home automation.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Series | LTC2321-12 | Mounting Style | SMD/SMT |
| Resolution | 12 bit | Number of Channels | 2 Channel |
| Sampling Rate | 2 MS/s | Architecture | SAR |
| Analog Supply Voltage | 3.3 V, 5 V | Brand | Analog Devices |
| Development Kit | DC1996A-F | DNL - Differential Nonlinearity | 0.4 LSB |
| Gain Error | 10 LSB | INL - Integral Nonlinearity | 0.5 LSB |
| Pd - Power Dissipation | 37 mW | Reference Type | Internal |
| SFDR - Spurious Free Dynamic Range | 88 dB | Shutdown | Shutdown |
| SINAD - Signal to Noise and Distortion Ratio | 72.8 dB | Factory Pack Quantity | 2500 |
| THD - Total Harmonic Distortion | -85 dB | Temperature Range | -40°C ~ 85°C |
| Input Type | Differential, Pseudo-Differential | Data Interface | LVDS - Serial, Serial |
Key Features
The LTC2321HUFD-12 boasts several key features that make it an ideal choice for various applications:
- Symmetrically Switched Capacitor Architecture: Ensures high accuracy and low noise.
- Low Power, High-Speed A/D Converters: Operates at 2 MS/s with low power dissipation of 37 mW.
- Simultaneous Sampling: Allows for the simultaneous sampling of two differential or pseudo-differential inputs.
- High Accuracy Analog Front End: Suitable for IoT applications requiring precise signal processing.
- Power Management: Supports nap and sleep modes to reduce power consumption to 5 μW during inactive periods.
- Flexible Input Options: Wide input common mode range and 8V_P-P differential input range provide flexibility in circuit configurations.
- Internal or External Reference: Offers an onboard low drift (20 ppm/°C max) 2.048 V or 4.096 V temperature-compensated reference.
- High-Speed SPI-Compatible Serial Interface: Supports CMOS or LVDS serial data interface for reliable data transmission.
Applications
The LTC2321HUFD-12 is versatile and can be applied in a variety of fields, including:
- Medical Devices: For precise signal processing in medical imaging and diagnostics.
- Security Systems: Enhances the accuracy and reliability of security systems.
- Home Automation: Supports the development of smart home devices with high precision and low power consumption.
- Data Acquisition Systems: Ideal for high-speed data acquisition and signal processing tasks.
- Industrial Automation and Control: Used in instrumentation and test equipment, and in control loop applications.
- Communications and Wireless Infrastructure: Suitable for high-speed data conversion in communications systems.
Q & A
- What is the resolution of the LTC2321HUFD-12 ADC?
The LTC2321HUFD-12 has a resolution of 12 bits.
- What is the sampling rate of the LTC2321HUFD-12?
The sampling rate is 2 MS/s per channel.
- What type of architecture does the LTC2321HUFD-12 use?
The LTC2321HUFD-12 uses a successive approximation register (SAR) architecture.
- What are the power supply options for the LTC2321HUFD-12?
The ADC operates from a single 3.3 V or 5 V supply.
- What is the input type of the LTC2321HUFD-12?
The input type is differential or pseudo-differential.
- Does the LTC2321HUFD-12 support simultaneous sampling?
Yes, it supports simultaneous sampling of two differential or pseudo-differential inputs.
- What is the power dissipation of the LTC2321HUFD-12?
The power dissipation is 37 mW.
- What are the temperature range and packaging of the LTC2321HUFD-12?
The temperature range is -40°C to 85°C, and it is packaged in a 28-QFN (4x5) exposed pad package.
- Does the LTC2321HUFD-12 have an internal reference option?
Yes, it has an onboard low drift (20 ppm/°C max) 2.048 V or 4.096 V temperature-compensated reference.
- What data interface does the LTC2321HUFD-12 support?
The LTC2321HUFD-12 supports LVDS serial and CMOS serial data interfaces.
