AD7147PACPZ-1RL Analog Devices Inc, AD7147PACPZ-1RL Datasheet - Page 10
![CAPACITANCE TO DIGITAL CONVERTER](/photos/6/52/65223/505-24-lfcsp_sml.jpg)
AD7147PACPZ-1RL
Manufacturer Part Number
AD7147PACPZ-1RL
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-1RL
Resolution (bits)
16 b
Data Interface
I²C, Serial
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
Compliant
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AD7147
58000
56000
54000
52000
50000
48000
46000
44000
42000
40000
960
940
920
900
880
860
840
820
800
780
12
10
8
6
4
2
0
–60
–45
Figure 13. Output Code vs. Capacitive Load on AC
Figure 15. Shutdown Supply Current vs. Temperature
–40
Figure 14. Supply Current vs. Temperature
–25
0
–20
–5
100
AC
SHIELD
0
15
TEMPERATURE (°C)
TEMPERATURE (°C)
200
20
CAPACITIVE LOAD (pF)
35
3.6V
3.3V
2.6V
40
55
300
60
3.3V
75
80
400
95
3.6V
100
SHIELD
2.6V
115
500
120
135
Rev. B | Page 10 of 72
160
140
120
100
120
100
Figure 17. Power Supply Square Wave Rejection, V
80
60
40
20
80
60
40
20
35
30
25
20
15
10
Figure 16. Power Supply Sine Wave Rejection, V
0
0
5
0
0
25mV
50mV
25mV
50mV
10000
Figure 18. CDC Linearity, V
SQUARE WAVE FREQUENCY (Hz)
20000
SINE WAVE FREQUENCY (Hz)
75mV
100mV
75mV
100mV
CDC OUTPUT CODE
30000
125mV
150mV
125mV
150mV
40000
CC
= 3.3 V
175mV
200mV
175mV
200mV
50000
CC
CC
= 3.6 V
= 3.6 V
60000
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