STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 29
![IC CTLR TOUCH KEY 8CH CAP 16-QFN](/photos/6/64/66486/stmpe821qtr_sml.jpg)
STMPE821QTR
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STMPE821QTR
Manufacturer:
STM
Quantity:
1 261
STMPE821
INTEGRATION TIME
Address:
Type:
Reset:
Description:
7
[7:0] Integration time in AFS mode
6
0x23
R/W
0x0F
Integration time
Total period of integration = sensor clock period * Integration Time [7:0]
78 μS - 320 mS
5
4
Integration time
INTEGRATION_TIME[7:0]
3
2
Capacitive touch module registers
1
0
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