Overview
The LTC1857IG#TRPBF is a high-performance, 8-channel analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the SoftSpan ADC family, known for its low power consumption and versatile input range capabilities. The LTC1857IG#TRPBF operates from a single 5V supply and features a 12-bit resolution with a sampling rate of 100ksps. It is packaged in a 28-lead SSOP (Shrink Small Outline Package) and is RoHS compliant, making it suitable for a wide range of applications in industrial, medical, and automotive fields.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Description | IC A/D CONV 8CH 12BIT 28-SSOP |
| Number of Channels | 8 |
| Number of Bits | 12 |
| Sampling Rate | 100ksps |
| Supply Voltage (Digital/Analog) | 5V |
| Package/Case | 28-SSOP (0.209", 5.30mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Input Type | Differential, Single Ended |
| Reference Type | External, Internal |
| Power Dissipation | 40mW (Typ) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Data Interface | SPI |
Key Features
- Software-Programmable Input Ranges: 0V to 5V, 0V to 10V, ±5V, or ±10V.
- 8-Channel Multiplexer: Can be programmed for single-ended inputs or pairs of differential inputs or combinations of both.
- Fault Protection: All channels are fault protected to ±25V.
- Low Power Consumption: 40mW typical power dissipation with two user-selectable power shutdown modes (Nap and Sleep).
- High Performance Sample-and-Hold and Precision Reference: Minimizes external components.
- Internal Synchronized Clock: Trimmed for 5µs maximum conversion time.
- SPI/MICROWIRE Compatible Serial I/O: Eases connections to FIFOs, DSPs, and microprocessors.
- High Signal-to-Noise Ratio: 87dB (Typ) for the LTC1859, though the LTC1857 has a slightly lower SNR.
Applications
The LTC1857IG#TRPBF is suitable for various applications requiring high accuracy and low power consumption, such as:
- Industrial Automation: For monitoring and control systems.
- Medical Devices: For diagnostic equipment and patient monitoring systems.
- Automotive Systems: For sensor data acquisition and control systems.
- Data Acquisition Systems: For general-purpose data logging and measurement.
- Embedded Systems: For applications requiring precise analog-to-digital conversion.
Q & A
- What is the resolution of the LTC1857IG#TRPBF ADC?
The LTC1857IG#TRPBF has a 12-bit resolution.
- What is the sampling rate of the LTC1857IG#TRPBF?
The sampling rate is 100ksps.
- What are the programmable input ranges for the LTC1857IG#TRPBF?
The input ranges can be programmed for 0V to 5V, 0V to 10V, ±5V, or ±10V.
- What type of package does the LTC1857IG#TRPBF come in?
The device is packaged in a 28-lead SSOP (Shrink Small Outline Package).
- Is the LTC1857IG#TRPBF RoHS compliant?
- What is the operating temperature range of the LTC1857IG#TRPBF?
The operating temperature range is -40°C to 85°C.
- What types of inputs can the LTC1857IG#TRPBF handle?
The device can handle both single-ended and differential inputs.
- How much power does the LTC1857IG#TRPBF typically consume?
The typical power dissipation is 40mW.
- Does the LTC1857IG#TRPBF have fault protection?
- What is the data interface of the LTC1857IG#TRPBF?
The data interface is SPI/MICROWIRE compatible.
