Overview
The LTC2351HUH-14#TRPBF is a 14-bit, 1.5Msps (mega-samples per second) simultaneous sampling analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high precision and low power consumption, making it suitable for a variety of applications, including portable and battery-powered systems. It features six differential inputs that are sampled simultaneously, ensuring accurate and synchronized data acquisition.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Sampling Rate | 1.5 Msps |
| Number of Inputs | 6 differential |
| Input Type | Differential, Pseudo-Differential |
| Supply Voltage (Analog and Digital) | 2.7 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Package | 32-pin QFN (5mm x 5mm x 0.75mm) |
| Power Consumption (Active) | 16.5 mW (5.5 mA from a single 3V supply) |
| Power Consumption (Shutdown) | 12 µW |
| Interface | 3-wire SPI-compatible serial interface |
| Reference Type | External, Internal (2.5V internal bandgap reference) |
| Common Mode Rejection | 83 dB |
Key Features
- Simultaneous sampling of six differential inputs on the rising edge of the CONV signal.
- Low power consumption: 16.5 mW active, 12 µW in shutdown mode.
- High precision: 14-bit resolution with a sampling rate of 1.5 Msps.
- Compact package: 32-pin QFN (5mm x 5mm x 0.75mm).
- 3-wire SPI-compatible serial interface for data transfer.
- Internal or external reference options, with a 2.5V internal bandgap reference.
- Ability to convert fewer than six channels based on the logic state of SEL2, SEL1, and SEL0 inputs.
- Lead-free and RoHS compliant.
Applications
The LTC2351HUH-14#TRPBF is suitable for various applications requiring high precision and low power consumption, such as:
- Portable and battery-powered systems.
- Medical devices, including diagnostic equipment.
- Industrial automation and control systems.
- Aerospace and defense applications.
- Data acquisition systems in scientific and research environments.
Q & A
- What is the resolution and sampling rate of the LTC2351HUH-14#TRPBF?
The LTC2351HUH-14#TRPBF has a 14-bit resolution and a sampling rate of 1.5 Msps. - How many differential inputs does the LTC2351HUH-14#TRPBF have?
The device has six differential inputs that are sampled simultaneously. - What is the power consumption of the LTC2351HUH-14#TRPBF in active and shutdown modes?
The device consumes 16.5 mW in active mode and 12 µW in shutdown mode. - What type of package does the LTC2351HUH-14#TRPBF come in?
The device is packaged in a 32-pin QFN (5mm x 5mm x 0.75mm). - Is the LTC2351HUH-14#TRPBF lead-free and RoHS compliant?
Yes, the device is lead-free and RoHS compliant. - What is the operating temperature range of the LTC2351HUH-14#TRPBF?
The operating temperature range is -40°C to 125°C. - What type of interface does the LTC2351HUH-14#TRPBF use for data transfer?
The device uses a 3-wire SPI-compatible serial interface. - Can the LTC2351HUH-14#TRPBF use an external reference?
Yes, the device can use either an internal or external reference, with a 2.5V internal bandgap reference available. - How does the common mode rejection of the LTC2351HUH-14#TRPBF help in signal measurement?
The 83 dB common mode rejection helps eliminate ground loops and common mode noise by measuring signals differentially from the source. - Can the conversion sequence be abbreviated to convert fewer than six channels?
Yes, the conversion sequence can be abbreviated based on the logic state of the SEL2, SEL1, and SEL0 inputs.
