STMPE821QTR STMicroelectronics, STMPE821QTR Datasheet - Page 18

• 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

System and identification registers
18/55
Table 7.
Operational
(6.5 MHz)
Autosleep
(200 KHz)
Mode
Sensor clock setting
Divider
16
16
1
2
4
8
1
2
4
8
Sensor clock
[2:0]
000
001
010
011
000
001
010
011
1xx
1xx
12.8 KHz
6.4 KHz
3.2 KHz
1.6 KHz
800 Hz
400 Hz
200 Hz
100 Hz
Active
50 Hz
25 Hz
Calibration
12.5 KHz
6.25 KHz
100 KHz
3.2 KHz
1.6 KHz
50 KHz
25 KHz
800 Hz
400 Hz
200 Hz
STMPE821