Overview
The MAX1396, produced by Analog Devices Inc./Maxim Integrated, is a micropower, serial-output, 12-bit analog-to-digital converter (ADC). This device operates with a single power supply ranging from +1.5V to +3.6V, making it highly versatile for various low-power applications. The MAX1396 features automatic shutdown, fast wake-up, and a high-speed 3-wire interface, which is compatible with SPI, QSPI, MICROWIRE, and DSP protocols. Its low power consumption and small package size make it ideal for portable battery-powered data-acquisition applications and other scenarios where minimal space and low power are critical.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 12-bit |
| Conversion Rate | Maximum sampling rate | 312.5 ksps |
| Power Supply | Voltage range | +1.5V to +3.6V |
| Power Consumption | At maximum conversion rate (VDD = +1.5V) | 0.734 mW |
| Shutdown Current | Current in shutdown mode | < 1 µA |
| Analog Input | Type and range | Dual single-ended inputs, 0 to VREF |
| External Reference | Voltage range | 0.6V to VDD |
| Interface | Type and compatibility | 3-wire SPI, QSPI, MICROWIRE, DSP-compatible |
| Package | Type and size | 10-pin TDFN, 3mm x 3mm |
| Operating Temperature | Range | -40°C to +85°C |
Key Features
- 312.5 ksps, 12-bit Successive-Approximation Register (SAR) ADCs
- Dual single-ended input channels with channel-select input
- ±1 LSB INL, ±1 LSB DNL, No Missing Codes
- ±2 LSB Total Unadjusted Error (TUE)
- 70 dB SINAD at 75 kHz input frequency
- AutoShutdown™ between conversions to reduce power consumption
- Fast wake-up and high-speed 3-wire serial interface
- Small package size (3mm x 3mm) 10-pin TDFN package
Applications
- Portable battery-powered data-acquisition applications
- Medical instruments
- Process control
- Datalogging
- Other applications demanding low power consumption and minimal space
Q & A
- What is the resolution of the MAX1396 ADC?
The MAX1396 is a 12-bit analog-to-digital converter.
- What is the maximum conversion rate of the MAX1396?
The maximum conversion rate is 312.5 ksps.
- What is the power supply voltage range for the MAX1396?
The power supply voltage range is from +1.5V to +3.6V.
- How much power does the MAX1396 consume at its maximum conversion rate?
At the maximum conversion rate (VDD = +1.5V), the power consumption is 0.734 mW.
- What type of analog inputs does the MAX1396 provide?
The MAX1396 provides two single-ended input channels.
- What is the range of the external reference voltage for the MAX1396?
The external reference voltage range is from 0.6V to VDD.
- What type of interface does the MAX1396 use?
The MAX1396 uses a 3-wire SPI, QSPI, MICROWIRE, and DSP-compatible serial interface.
- What is the package type and size of the MAX1396?
The MAX1396 is available in a 10-pin TDFN package, measuring 3mm x 3mm.
- What is the operating temperature range of the MAX1396?
The operating temperature range is from -40°C to +85°C.
- What are some typical applications for the MAX1396?
Typical applications include portable battery-powered data-acquisition, medical instruments, process control, and datalogging.
