Overview
The MAX1391ETB+ is an 8-bit successive-approximation analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This ADC features a high-speed sampling rate of 416 kSPS and a single true-differential analog input channel. It is known for its low-power, low-noise design and compact 10-WFDFN package, making it suitable for a wide range of applications including industrial control, data acquisition, and portable electronics.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 8-bit | |
| Sampling Rate | 416 kSPS | |
| Analog Input Type | Single True-Differential | |
| Input Voltage Range (Unipolar) | 0 to VREF | V |
| Input Voltage Range (Bipolar) | ± VREF/2 | V |
| Power Supply Voltage | +1.5V to +3.6V | V |
| Power Consumption (at 416 kSPS, 1.8V) | 0.97 mW | mW |
| Shutdown Current | < 1 µA | µA |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 10-pin TDFN | |
| Package Size | 3mm x 3mm | mm |
Key Features
- High-speed data conversion with a sampling rate of 416 kSPS
- Low-power design with power consumption as low as 0.97 mW at 416 kSPS and 1.8V
- Single true-differential analog input channel with unipolar and bipolar input modes
- SPI-, QSPI-, MICROWIRE-, and DSP-compatible 3- or 4-wire serial interface
- Automatic shutdown between conversions to reduce power consumption
- Compact 10-pin TDFN package for space-constrained applications
- Excellent dynamic performance with ±0.2 LSB INL, ±0.2 LSB DNL, and no missing codes
- External reference voltage range from 0.6V to VDD
Applications
- Industrial control systems
- Data acquisition equipment
- Portable electronics
- Medical devices
- Instrumentation
- Battery-powered instruments
- Process control
- Portable data logging
Q & A
- What is the resolution and sampling rate of the MAX1391ETB+ ADC?
The MAX1391ETB+ has an 8-bit resolution and a sampling rate of 416 kSPS.
- What is the input type and range of the MAX1391ETB+?
The MAX1391ETB+ features a single true-differential analog input channel. The input voltage range is from 0 to VREF in unipolar mode and ± VREF/2 in bipolar mode.
- What is the power supply voltage range for the MAX1391ETB+?
The power supply voltage range is from +1.5V to +3.6V.
- How much power does the MAX1391ETB+ consume at 416 kSPS and 1.8V?
The power consumption is 0.97 mW at 416 kSPS and 1.8V.
- What is the shutdown current of the MAX1391ETB+?
The shutdown current is less than 1 µA.
- What is the operating temperature range of the MAX1391ETB+?
The operating temperature range is from -40°C to +85°C.
- What type of package does the MAX1391ETB+ come in?
The MAX1391ETB+ comes in a 10-pin TDFN package with a size of 3mm x 3mm.
- Is the MAX1391ETB+ compatible with various digital interfaces?
Yes, it is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- What are some typical applications of the MAX1391ETB+?
Typical applications include industrial control systems, data acquisition equipment, portable electronics, medical devices, and instrumentation.
- Does the MAX1391ETB+ have automatic shutdown to reduce power consumption?
Yes, it features automatic shutdown between conversions to reduce power consumption.
