LIS3MDLTR

Part: LIS3MDLTR — STMicroelectronics

Type: Digital Output 3-Axis Magnetometer

Description: Ultra-low-power, high-performance 3-axis magnetic sensor offering selectable full scales of ±4/±8/±12/±16 gauss with 16-bit data output and I2C/SPI interfaces.

Operating Conditions:

• Supply voltage: 1.9 to 3.6 V (Vdd)
• I/O supply voltage: 1.71 V to Vdd + 0.1 V (1.8 V typ)
• Operating temperature: -40 to +85 °C

Absolute Maximum Ratings:

• Max supply voltage: -0.3 to 4.8 V (Vdd, Vdd_IO)
• Input voltage on any control pin: -0.3 to Vdd_IO + 0.3 V
• Acceleration (any axis): 3,000 g for 0.5 ms; 10,000 g for 0.1 ms
• Maximum exposed field: 1000 gauss
• Max junction/storage temperature: -40 to +125 °C (storage temperature range)

Key Specs:

• Measurement range: ±4, ±8, ±12, ±16 gauss
• Sensitivity: 6842 LSB/gauss (±4 gauss), 3421 LSB/gauss (±8 gauss), 2281 LSB/gauss (±12 gauss), 1711 LSB/gauss (±16 gauss)
• Current consumption (ultra-high-resolution mode): 270 μA (ODR = 20 Hz, Vdd = 2.5 V)
• Current consumption (low-power mode): 40 μA (ODR = 20 Hz, Vdd = 2.5 V)
• Current consumption (power-down): 1 μA (Vdd = 2.5 V)
• RMS noise (ultra-high-performance mode, FS = ±12 gauss): 3.2 mgauss (X/Y-axis), 4.1 mgauss (Z-axis)
• Non-linearity: ±0.12 %FS (best-fit straight line, Happlied = ±6 gauss)
• SPI clock frequency: 10 MHz max
• I2C clock frequency: 400 kHz max (Fast mode)

Features:

• Independent IO supply (1.8 V)
• Continuous and single-conversion modes
• 16-bit data output
• Programmable interrupt generator
• Embedded temperature sensor
• Built-in self-test capability
• I2C and SPI digital output interfaces (SPI configurable in 3-wire or 4-wire mode)
• ECOPACK, RoHS, and "Green" compliant

Applications:

• Magnetometers
• Compasses

Package:

• LGA-12 (VFLGA 2x2x1 12LD, 0.5 mm pitch)

• Wide supply voltage, 1.9 V to 3.6 V
• Independent IO supply (1.8 V)
• ±4/±8/±12/ 16 gauss selectable magnetic full scales
• Continuous and single-conversion modes
• 16-bit data output
• Interrupt generator
• Self-test
• I 2 C/SPI digital output interface
• Power-down mode / low-power mode
• ECOPACK ® , RoHS and 'Green' compliant

Figure 2. Pin connections

Table 2. Pin description

• @ Vdd = 2.5 V, T = 25 °C unless otherwise noted (c)

Table 5. Electrical characteristics

Stresses above those listed as 'absolute maximum ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

Table 8. Absolute maximum ratings

Note: Supply voltage on any pin should never exceed 4.8 V.

Table 8. Absolute maximum ratings

This device is sensitive to magnetic fields, improper handling can cause permanent damage to the part.

This device is sensitive to electrostatic discharge (ESD), improper handling can cause permanent damage to the part.

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark.