AD7879ACPZ-RL Analog Devices Inc, AD7879ACPZ-RL Datasheet - Page 9

• Manufacturer Part Number: AD7879ACPZ-RL
• Description: IC ADC 12BIT CTLR TOUCH 16LFCSP
• Manufacturer: Analog Devices Inc
• Type: Touch Screen Controller: 4-Wire Resistiver

Specifications of AD7879ACPZ-RL

• Resolution (bits): 12 b
• Data Interface: I²C
• Package / Case: 16-LFCSP
• Mounting Type: Surface Mount
• Voltage - Supply: 1.6 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 105k
• Sampling Rate: 105kSPS
• Supply Voltage Range - Analog: 1.6V To 3.6V
• Supply Current: 480µA
• Digital Ic Case Style: CSP
• No. Of Pins: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
7
6
5
4
3
2
1
0
0
1
1.6
1.8
501
Figure 16. Switch On Resistance vs. V
(X+, Y+: V
2.0
1001
Figure 15. ADC DNL Plot
2.2
CC
1501
to Pin; X−, Y−: Pin to GND)
2.4
V
CC
2001
CODE
2.6
(V)
2.8
2501
3.0
3001
3.2
X+ TO V
Y+ TO V
X– TO GND
Y– TO GND
CC
3501
3.4
CC
CC
3.6
4001
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2370
2369
2368
2367
2366
2365
2364
2363
2362
2361
2360
6.0
5.5
5.0
4.5
4.0
3.5
3.0
Figure 18. ADC Code vs. Temperature (Fixed Analog Input)
–40 –25 –15 –5
–40
Figure 17 Switch On Resistance vs. Temperature
(X+, Y+: V
–25
–10
CC
to Pin; X−, Y−: Pin to GND)
TEMPERATURE (°C)
5
TEMPERATURE (°C)
10
15
25
25
35
40
45
55
55
X+ TO V
X– TO GND
Y+ TO V
Y– TO GND
65
70
CC
CC
75
AD7879
85
85