MTCH101

MTCH101 Single-Channel Proximity Detector Features: Capacitive Proximity Detection System: - High Signal to Noise Ratio (SNR) - Adjustable sensitivity - Noise rejection filters - Automatic Environmental Compensation - Wide range of sensor shape and size support - Stuck Release Mechanism No External Components Low-Power mode Response Time Down to 75 ms Wide Operative Voltage: - 2.0V to 5.5V Operating Temperature: - -40°C to +85°C Applications: Light Switch Portable Device Enabler White Goods and Appliances Office Equipment and Toys Display and Keypad Backlighting Activation SAR Compliant Application Package Type The device is available in 6-lead SOT-23 packaging (see Figure 1). FIGURE 1: 6-PIN DIAGRAM SOT-23 MTI 1 Vss 2 MTSA 3 MTCH101 6 MTPM 5 VDD 4 MTO TABLE 1: 6-PIN SOT-23 PINOUT DESCRIPTION I/O 6-Pin SOT-23 Description MTI 1 Proximity Sensor Input VSS MTSA MTO 2 Ground 3 Sensitivity Adjust Input 4 Detect Output (Active-Low) VDD 5 Power Supply Input MTPM 6 Low-Power mode Select (Active-Low)  2012-2013 Microchip Technology Inc. Preliminary DS40001664B-page 1 MTCH101 Table of Contents 1.0 Device Overview ........................................................................................................................................................................ 3 2.0 Typical Circuit ..................................................................................................................................................