Overview
The LTC2435-1IGN#TRPBF is a 20-bit, no latency, differential analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2435 series, which includes the LTC2435 and LTC2435-1 models. The LTC2435-1IGN#TRPBF is designed for high precision and low power consumption, making it suitable for a variety of applications requiring accurate analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 20 bits |
| Input Type | Differential |
| Reference Type | Differential Reference |
| Supply Voltage | 2.7V to 5.5V |
| Supply Current | 200µA (active), 4µA (auto sleep) |
| Integral Nonlinearity (INL) | 3ppm |
| RMS Noise | 0.8ppm |
| Gain Error | 10ppm |
| Common Mode Input Rejection | Better than 120dB |
| Output Data Rate | 13.75Hz (LTC2435), 15Hz (LTC2435-1 with 50Hz/60Hz notch) |
| Package Type | 16-Lead Plastic SSOP (Narrow SSOP-16) |
| Digital Interface | 3-wire SPI and MICROWIRE compatible |
Key Features
- Delta-sigma conversion technology for high accuracy and low noise.
- Internal oscillator with no external frequency setting components required.
- Option to use an external oscillator for user-defined rejection frequency.
- Single cycle settling time for multiplexed applications.
- High common mode input rejection (better than 120dB).
- Flexible differential input range from 0.5V to 0.5V and differential reference voltage from 0.1V to VCC.
- Low power consumption with 200µA active current and 4µA in auto sleep mode.
- 3-wire digital interface compatible with SPI and MICROWIRE protocols.
Applications
- Weight scales and direct sensor digitization.
- Direct temperature measurement and gas analyzers.
- Strain gage transducers and instrumentation.
- Data acquisition and industrial process control.
- 6-digit DVMs and other precision measurement instruments.
Q & A
- What is the resolution of the LTC2435-1IGN#TRPBF ADC?
The resolution of the LTC2435-1IGN#TRPBF is 20 bits.
- What is the supply voltage range for the LTC2435-1IGN#TRPBF?
The supply voltage range is from 2.7V to 5.5V.
- What is the typical supply current of the LTC2435-1IGN#TRPBF?
The typical supply current is 200µA in active mode and 4µA in auto sleep mode.
- Does the LTC2435-1IGN#TRPBF have an internal oscillator?
- What is the common mode input rejection of the LTC2435-1IGN#TRPBF?
The common mode input rejection is better than 120dB.
- What digital interface protocols is the LTC2435-1IGN#TRPBF compatible with?
The device is compatible with SPI and MICROWIRE protocols.
- What is the output data rate of the LTC2435-1IGN#TRPBF?
The output data rate is 13.75Hz for the LTC2435 and 15Hz for the LTC2435-1 with 50Hz/60Hz notch.
- What is the package type of the LTC2435-1IGN#TRPBF?
The package type is 16-Lead Plastic SSOP (Narrow SSOP-16).
- Can the LTC2435-1IGN#TRPBF be used for multiplexed applications?
- What are some typical applications of the LTC2435-1IGN#TRPBF?
Typical applications include weight scales, direct temperature measurement, gas analyzers, strain gage transducers, and data acquisition.
