Overview
The LTC2311IMSE-12#WTRPBF is a 12-bit + sign successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This high-speed ADC features differential inputs and a wide input common mode range, making it ideal for applications requiring a wide dynamic range with high common mode rejection. It operates from a single 3.3V or 5V supply and achieves low noise and high accuracy, with typical specifications including ±0.25LSB INL and 73dB SNR.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit + sign |
| Sample Rate | 5 Msps |
| Differential Input Range | 8V P-P |
| Supply Voltage | 3.3V or 5V |
| Input Common Mode Range | Wide input common mode range |
| Integral Nonlinearity (INL) | ±0.25 LSB typical |
| Signal-to-Noise Ratio (SNR) | 73 dB typical |
| Reference Voltage | Onboard 2.048V or 4.096V temperature compensated reference |
| Serial Interface | High speed SPI-compatible, supports CMOS or LVDS |
| Package | 16-Lead MSOP |
| Operating Temperature | -40°C to 125°C |
| Power Consumption | 50 mW with 5V supply, nap and sleep modes for power savings |
Key Features
- Low noise and high speed operation
- Differential inputs with wide input common mode range
- Onboard low drift temperature compensated reference (2.048V or 4.096V)
- External 1.25V buffered reference input
- High speed SPI-compatible serial interface supporting CMOS or LVDS
- Fast 5 Msps throughput with one-cycle latency
- Low power consumption with nap and sleep modes
- No missing codes at 12 bits
Applications
The LTC2311IMSE-12#WTRPBF is suited for a variety of high-speed applications that require high accuracy and wide dynamic range. These include:
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Aerospace and defense applications where high reliability is crucial
- Automotive systems, especially those requiring wide operating temperature ranges
- High-speed data acquisition systems
Q & A
- What is the resolution of the LTC2311IMSE-12#WTRPBF ADC?
The resolution is 12-bit + sign.
- What is the sample rate of the LTC2311IMSE-12#WTRPBF?
The sample rate is 5 Msps.
- What is the differential input range of the LTC2311IMSE-12#WTRPBF?
The differential input range is 8V P-P.
- What are the supply voltage options for the LTC2311IMSE-12#WTRPBF?
The supply voltage options are 3.3V or 5V.
- What is the typical integral nonlinearity (INL) of the LTC2311IMSE-12#WTRPBF?
The typical INL is ±0.25 LSB.
- What is the signal-to-noise ratio (SNR) of the LTC2311IMSE-12#WTRPBF?
The typical SNR is 73 dB.
- Does the LTC2311IMSE-12#WTRPBF have an onboard reference voltage?
Yes, it has an onboard low drift temperature compensated reference (2.048V or 4.096V).
- What type of serial interface does the LTC2311IMSE-12#WTRPBF support?
The LTC2311IMSE-12#WTRPBF supports a high speed SPI-compatible serial interface that can be either CMOS or LVDS.
- What is the power consumption of the LTC2311IMSE-12#WTRPBF with a 5V supply?
The power consumption is 50 mW with a 5V supply, and it also has nap and sleep modes for further power savings.
- What is the operating temperature range of the LTC2311IMSE-12#WTRPBF?
The operating temperature range is -40°C to 125°C.
