STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 43

• 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
11
Electrical specifications
Table 13.
I
Symbol
hibernate
I
I
I
I
V
active
active
active
sleep
V
V
CC
IO
IL
DC electrical characteristics (-40 - 85 °C unless otherwise stated)
Core supply
voltage
IO supply
voltage
Active current
Active current
Active current
Sleep current
Hibernate
current
Input voltage
low state
(GPIO)
Input voltage
low state
(RST)
Parameter
Doc ID 14478 Rev 5
Supplied by
internal LDO
5% touch activity
V
V
internal LDO,
current measured
at V
10% touch activity
V
V
internal LDO,
current measured
at V
100% touch
activity V
3.6 V, V
supplied by
internal LDO,
current measured
at V
V
V
internal LDO,
current measured
at V
V
V
internal LDO,
current measured
at V
V
V
IO
CC
IO
CC
IO
CC
IO
CC
IO
CC
Test condition
= 2.7-3.6V
= 2.7-3.6 V,
IO
= 2.7-3.6 V,
IO
IO
= 2.7-3.6 V,
IO
= 2.7-3.6 V,
IO
= 1.8 V
supplied by
supplied by
supplied by
supplied by
.
CC
IO
= 2.7-
-0.3 V
-0.3 V
1.65
Min
2.7
−
−
−
−
−
Value
Typ
350
42
60
25
5
−
−
−
−
Electrical specifications
0.20 V
0.25 V
Max
1.95
650
3.6
63
90
40
8
CC
IO
Unit
µA
µA
µA
µA
µA
V
V
V
V
43/50