STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 4
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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
List of figures
List of figures
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Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
STMPE821 pin assignment (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typical application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
STMPE821 operating states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Power using the internal regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Read and write modes (random and sequential) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Interrupt controller module block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Pulses with programmable brightness, ON/OFF period and repetition. . . . . . . . . . . . . . . . 40
Ramps with programmable brightness, ON/OFF period and repetition . . . . . . . . . . . . . . . 41
Fixed brightness output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Package outline for QFN16 (2.6 x 1.8 x 0.55 mm) - 0.40 mm pitch . . . . . . . . . . . . . . . . . . 50
Footprint recommendations for QFN16 (2.6 x 1.8 x 0.55 mm) - 0.40 mm pitch . . . . . . . . . 51
Carrier tape for QFN16 (2.6 x 1.8 x 0.55 mm) - 0.40 mm pitch . . . . . . . . . . . . . . . . . . . . . 52
Reel information for QFN16 (2.6 x 1.8 x 0.55 mm) - 0.40 mm pitch . . . . . . . . . . . . . . . . . . 53
STMPE821