AD7147PACPZ-RL Analog Devices Inc, AD7147PACPZ-RL Datasheet - Page 9
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AD7147PACPZ-RL
Manufacturer Part Number
AD7147PACPZ-RL
Description
CAPACITANCE TO DIGITAL CONVERTER
Manufacturer
Analog Devices Inc
Series
CapTouch™r
Type
Capacitive Sensor Controllerr
Datasheet
1.AD7147ACPZ-1500RL7.pdf
(72 pages)
Specifications of AD7147PACPZ-RL
Resolution (bits)
16 b
Data Interface
I²C
Voltage Supply Source
Single Supply
Voltage - Supply
2.6 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sampling Rate (per Second)
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7147PACPZ-RL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
TYPICAL PERFORMANCE CHARACTERISTICS
0.12
0.10
0.08
0.06
0.04
0.02
935
915
895
875
855
835
815
795
180
160
140
120
100
80
60
40
20
0
0
Figure 8. Low Power Supply Current vs. Supply Voltage,
Figure 9. Low Power Supply Current vs. Supply Voltage,
2.6
2.5
2.5
2.7
Figure 7. Supply Current vs. Supply Voltage
DECIMATION = 128
2.7
2.7
2.8
2.9
Decimation Rate = 256
Decimation Rate = 128
DECIMATION = 64
2.9
2.9
200ms
400ms
600ms
800ms
200ms
400ms
3.0
3.1
V
V
V
CC
CC
CC
3.1
3.1
(V)
(V)
(V)
3.2
3.3
600ms
800ms
3.3
3.3
DECIMATION = 256
3.4
3.5
3.5
3.5
3.6
3.7
3.7
3.7
Rev. B | Page 9 of 72
1150
1100
1050
1000
950
900
2.5
2.0
1.5
1.0
0.5
70
60
50
40
30
20
10
Figure 10. Low Power Supply Current vs. Supply Voltage,
Figure 12. Supply Current vs. Capacitive Load on AC
0
0
Figure 11. Shutdown Supply Current vs. Supply Voltage
2.5
2.7
0
2.8
2.7
2.9
100
AC
Decimation Rate = 64
SHIELD
3.0
2.9
200ms
400ms
3.1
200
CAPACITIVE LOAD (pF)
V
V
CC
CC
3.1
3.2
(V)
(V)
800ms
300
3.3
3.3
3.4
400
3.5
3.5
600ms
SHIELD
AD7147
500
3.6
3.7