AD7879-1ACPZ-RL Analog Devices Inc, AD7879-1ACPZ-RL Datasheet - Page 10

• Manufacturer Part Number: AD7879-1ACPZ-RL
• Description: IC ADC 12BIT CTLR TOUCH 16LFCSP
• Manufacturer: Analog Devices Inc
• Type: Resistiver

Specifications of AD7879-1ACPZ-RL

• Resolution (bits): 12 b
• Data Interface: I²C, Serial
• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Data Rate/sampling Rate (sps, Bps): 105k
• Voltage Reference: External
• Voltage - Supply: 1.6 V ~ 3.6 V
• Current - Supply: 10nA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-LFCSP
• 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

AD7879
Figure 20. Typical FFT Plot for the Auxiliary Channels at 25 kHz Sampling
1400
1200
1000
–100
–120
–140
–160
800
600
400
200
–20
–40
–60
–80
0
0
2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
Figure 19. Temperature Code vs. V
Rate and 1 kHz Input Frequency
SNR = 61.58dB
THD = 72.34dB
FREQUENCY (Hz)
V
CC
(V)
CC
for 25°C
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Figure 21. Typical Uncalibrated Accuracy for Battery Channel (25°C)
250
200
150
100
50
0
–4
–3
ERROR (%)
–2
–1
MEAN: –1.98893
SD: 0.475534
0