STMPE24M31QTR STMicroelectronics, STMPE24M31QTR Datasheet - Page 72

• Manufacturer Part Number: STMPE24M31QTR
• Description: IC SENSOR S-TOUCH 24CH 40QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitiver

Specifications of STMPE24M31QTR

• Number Of Inputs/keys: 24 Key
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k, 400k
• Voltage Reference: External
• Voltage - Supply: 1.65 V ~ 1.95 V
• Current - Supply: 900µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VQFN
• Output Type: Logic
• Interface: I²C
• Input Type: Logic
• Supply Voltage: 1.8 V
• Number Of Channels: 24
• Dimensions: 5 mm L x 5 mm W x 0.85 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10380-2

DC electrical characteristics
16.1
72/83
Capacitive sensor specification
-40 to 85
Symbol
Csvr
Cs
°C
Capacitive sensor
sensitivity
Variance of Cs across
channels
unless stated otherwise.
Parameter
Doc ID 16174 Rev 2
V
V
V
V
IO
REG
IO
REG
= 2.7 - 5.5 V, internal
= 2.7 - 5.5 V, internal
Test conditions
STMPE16M31, STMPE24M31
Min
12
-
Value
Typ
16
10
Max
20
-
Unit
fF
%