STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 11

• Manufacturer Part Number: STMPE821QTR
• Description: IC CTLR TOUCH KEY 8CH CAP 16-QFN
• Manufacturer: STMicroelectronics
• Type: Capacitiver

Specifications of STMPE821QTR

• Number Of Inputs/keys: 8 Key
• Data Interface: I²C
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sampling Rate (per Second): -
• Resolution (bits): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8826-2

STMPE821
2
Power schemes
The STMPE821 is powered by a 2.7 - 3.6 V supply. An internal LDO regulates this supply
into 1.8 V for core operation. All GPIOs operates at V
Figure 5.
* recommended at least 1 μF
Power using the internal regulator
STMPE821
Doc ID 14478 Rev 5
GND
VIO
VCC
IO
domain.
*
2.7-3.6V
Power schemes
AM00736V1
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