Overview
The LTC2435IGN#PBF is a high-precision, 20-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2435 series and is known for its delta-sigma architecture, which provides high accuracy and low noise. The LTC2435IGN#PBF is designed for applications requiring precise analog-to-digital conversion with a single-channel differential input and differential reference. It operates on a single supply voltage ranging from 2.7V to 5.5V and features an internal oscillator, eliminating the need for external frequency setting components.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 20 |
| Sampling Rate (Per Second) | 15 sps |
| Input Type | Differential |
| Data Interface | SPI |
| Configuration | ADC |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | SSOP-16 |
| Mounting Type | Surface Mount |
| Resolution | 20 bit |
| Number of Channels | 1 Channel |
| DNL - Differential Nonlinearity | 1 LSB |
| INL - Integral Nonlinearity | 3.14 LSB |
| Pd - Power Dissipation | 1 mW |
| Shutdown | Shutdown |
Key Features
- High Precision: 20-bit resolution with 3.14 ppm INL and 0.8 ppm RMS noise.
- Delta-Sigma Architecture: Provides single cycle settling time for multiplexed applications.
- Differential Input and Reference: Supports a common mode range from GND to VCC.
- Internal Oscillator: No external frequency setting components required.
- Low Power Consumption: 200 μA in normal operation and 4 μA in auto sleep mode.
- Flexible Reference Voltage: Accepts external differential reference voltage from 0.1V to VCC.
- Simultaneous 50Hz/60Hz Notch Filter: Configurable for better than 87dB input differential mode rejection.
Applications
The LTC2435IGN#PBF is suitable for a variety of applications that require high precision and low noise analog-to-digital conversion. These include:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For accurate data acquisition in medical equipment.
- Aerospace and Defense: For reliable and precise data conversion in harsh environments.
- Remote Sensing: For ratiometric and remote sensing measurement configurations.
Q & A
- What is the resolution of the LTC2435IGN#PBF?
The LTC2435IGN#PBF has a 20-bit resolution. - What is the sampling rate of the LTC2435IGN#PBF?
The sampling rate is 15 samples per second (sps). - What type of input does the LTC2435IGN#PBF support?
The device supports differential input. - What is the data interface of the LTC2435IGN#PBF?
The data interface is SPI (Serial Peripheral Interface). - What is the operating temperature range of the LTC2435IGN#PBF?
The operating temperature range is -40°C to 85°C. - What is the package type of the LTC2435IGN#PBF?
The package type is SSOP-16 (Shrink Small Outline Package with 16 pins). - Does the LTC2435IGN#PBF have an internal oscillator?
Yes, it has an internal oscillator that requires no external frequency setting components. - What is the power dissipation of the LTC2435IGN#PBF?
The power dissipation is approximately 1 mW. - Can the LTC2435IGN#PBF be used in multiplexed applications?
Yes, it provides single cycle settling time for multiplexed applications. - What is the common mode range of the differential input?
The common mode range is from GND to VCC.
