AD7147AACBZ-RL Analog Devices Inc, AD7147AACBZ-RL Datasheet - Page 10

• Manufacturer Part Number: AD7147AACBZ-RL
• Description: CAPACITANCE TO DIGITAL CONVERTER
• Manufacturer: Analog Devices Inc
• Series: CapTouch™r
• Type: Capacitive Sensor Controllerr

Specifications of AD7147AACBZ-RL

• Resolution (bits): 16 b
• Data Interface: Serial, SPI™
• 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: 25-WLCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sampling Rate (per Second): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7147A
58,000
56,000
54,000
52,000
50,000
48,000
46,000
44,000
42,000
40,000
960
940
920
900
880
860
840
820
800
780
12
10
8
6
4
2
0
–45
–60
Figure 15. Shutdown Supply Current vs. Temperature
Figure 13. CDC Code vs. Capacitive Load on AC
–25
–40
0
Figure 14. Supply Current vs. Temperature
–20
–5
100
AC
SHIELD
15
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
200
CAPACITIVE LOAD (pF)
35
3.6V
3.3V
2.6V
40
55
300
3.3V
60
75
80
400
95
3.6V
100
SHIELD
2.6V
115
500
120
135
Rev. B | Page 10 of 68
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
5
0
0
Figure 16. Power Supply Sine Wave Rejection, V
0
0
25mV
50mV
25mV
50mV
10,000
Figure 18. CDC Linearity, V
SQUARE WAVE FREQUENCY (Hz)
20,000
SINE WAVE FREQUENCY (Hz)
75mV
100mV
75mV
100mV
CDC OUTPUT CODE
30,000
125mV
150mV
125mV
150mV
40,000
CC
= 3.3 V
50,000
175mV
200mV
175mV
200mV
CC
CC
= 3.6 V
= 3.6 V
60,000