STMPE16M31QTR STMicroelectronics, STMPE16M31QTR Datasheet - Page 3

• Manufacturer Part Number: STMPE16M31QTR
• Description: IC SENSOR S-TOUCH 16CH 32QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitive, PWM, Ratio Enginer

Specifications of STMPE16M31QTR

• Number Of Inputs/keys: 16 Key, Slider
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k, 400k
• Voltage Reference: External
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN
• Output Type: Logic
• Interface: I²C
• Input Type: Logic
• Supply Voltage: 1.8 V
• Number Of Channels: 16
• Dimensions: 4 mm L x 4 mm W x 0.8 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-10381-2

STMPE16M31, STMPE24M31
14
15
16
17
18
19
13.3
13.4
13.5
13.6
13.7
Touchkey controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
15.1
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
16.1
DC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
17.1
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Auto-tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Locked impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Definition of data accessible through channel data register . . . . . . . . . . . 59
Ratiometric engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Average current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Capacitive sensor specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Doc ID 16174 Rev 3
Contents
3/85