Overview
The LTC1290BIJ is a 12-bit serial I/O analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of a single-chip data acquisition system that integrates several key functional blocks, including a successive approximation capacitive A/D converter, an analog multiplexer, a sample-and-hold circuit, and a synchronous, full duplex serial interface. The LTC1290BIJ is designed to provide high accuracy and flexibility in various data acquisition applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Number of Channels | 8 | |
| Input Type | Single-Ended/Differential | |
| Conversion Time | 13 μs Max Over Temp | |
| Supply Voltage | 5V | V |
| Supply Current | 6.0 mA | mA |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 20-CDIP | |
| Maximum Throughput Rate | 50 kHz | kHz |
Key Features
- Software programmable features for unipolar or bipolar conversion.
- Four differential or eight single-ended inputs with an on-chip sample-and-hold circuit.
- Variable data word length (8, 12, or 16 bits) and MSB- or LSB-first data sequence.
- Single supply operation at 5V with power shutdown capability for low power consumption.
- Synchronous, full duplex serial interface compatible with most microprocessor serial ports.
- Automatic 2's complement output coding in bipolar mode.
Applications
The LTC1290BIJ is suitable for a wide range of data acquisition applications, including industrial control systems, medical devices, and automotive systems. Its ability to handle both single-ended and differential inputs makes it versatile for various signal processing needs. Additionally, its low power consumption and compact package make it ideal for battery-powered devices and space-constrained designs.
Q & A
- What is the resolution of the LTC1290BIJ ADC?
The LTC1290BIJ has a resolution of 12 bits. - How many input channels does the LTC1290BIJ have?
The LTC1290BIJ has 8 input channels that can be configured as either single-ended or differential inputs. - What is the maximum conversion time of the LTC1290BIJ?
The maximum conversion time is 13 μs over the operating temperature range. - What is the supply voltage for the LTC1290BIJ?
The supply voltage is 5V. - Can the LTC1290BIJ operate in both unipolar and bipolar modes?
Yes, the LTC1290BIJ can be programmed for either unipolar or bipolar conversion. - What is the maximum throughput rate of the LTC1290BIJ?
The maximum throughput rate is 50 kHz. - Does the LTC1290BIJ have a power shutdown feature?
Yes, the LTC1290BIJ has a power shutdown feature to reduce power consumption when idle. - What type of serial interface does the LTC1290BIJ use?
The LTC1290BIJ uses a synchronous, full duplex serial interface. - Is the LTC1290BIJ compatible with most microprocessor serial ports?
Yes, the serial interface is designed to be compatible with industry-standard full duplex serial interfaces. - What is the operating temperature range of the LTC1290BIJ?
The operating temperature range is -40°C to 85°C.
