STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 36

• Manufacturer Part Number: STMPE321QTR
• Description: IC CTLR TOUCH KEY 3CH 12-QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitiver

Specifications of STMPE321QTR

• Number Of Inputs/keys: 3 Key
• Resolution (bits): 8 b
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k
• Voltage - Supply: 1.65 V ~ 1.95 V
• Mounting Type: Surface Mount
• Package / Case: 12-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 1.95 V
• Supply Voltage (min): 1.65 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Sampling Rate (per Second): -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8985-2

Package mechanical data
36/40
Table 14.
Figure 9.
1. Drawing not to scale.
2. Dimensions are in millimeters.
Symbol
A1
D
A
E
b
e
L
Mechanical data for QFN12 (2.2 x 1.5 x 0.5 mm) - 0.40 mm pitch
Footprint recommendations for QFN12 (2.2 x 1.5 x 0.5 mm) - 0.40 mm
pitch
Doc ID 15791 Rev 3
0.50
0.15
0.35
Min
0
−
−
−
Millimeters
1.50
2.20
0.40
Typ
−
−
−
−
STMPE321
Max
0.60
0.25
0.45
−
−
−
−