AD7879ACPZ-RL Analog Devices Inc, AD7879ACPZ-RL Datasheet - Page 11

• 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

TERMINOLOGY
Integral Nonlinearity (INL)
INL is the maximum deviation from a straight line passing
through the endpoints of the ADC transfer function. The end-
points of the transfer function are zero scale at 1 LSB below the
first code transition and full scale at 1 LSB above the last code
transition.
Differential Nonlinearity (DNL)
DNL is the difference between the measured and the ideal
1 LSB change between any two adjacent codes in the ADC.
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Offset Error
Offset error is the deviation of the first code transition
(00 … 000) to (00 … 001) from the ideal (AGND + 1 LSB).
Gain Error
Gain error is the deviation of the last code transition
(111 … 110) to (111 … 111) from the ideal (V
after the offset error has been adjusted out.
On Resistance
On resistance is a measure of the ohmic resistance between the
drain and the source of the switch drivers.
REF
− 1 LSB)
AD7879