AD7879ACPZ-RL Analog Devices Inc, AD7879ACPZ-RL Datasheet - Page 3

• 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

SPECIFICATIONS
V
Table 1.
Parameter
DC ACCURACY
SWITCH DRIVERS
ANALOG INPUTS
TEMPERATURE MEASUREMENT
BATTERY MONITOR
LOGIC INPUTS (DIN, SCL, CS , SDA, GPIO)
LOGIC OUTPUTS (DOUT, GPIO, SCL, SDA, INT )
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
See the Terminology section.
Guaranteed by characterization, not production tested.
Sample tested at 25°C to ensure compliance.
CC
Resolution
No Missing Codes
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Offset Error
Gain Error
Noise
Power Supply Rejection
Internal Clock Frequency
On Resistance
Input Voltage Ranges
DC Leakage Current
Input Capacitance
Accuracy
Temperature Range
Resolution
Accuracy
Input Voltage Range
Input Impedance
Accuracy
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Conversion Time
Throughput Rate
V
I
Converting Mode
Static
Shutdown Mode
CC
CC
= 1.6 V to 3.6 V, T
Negative DNL
Positive DNL
Y+, X+
Y−, X−
(Specified Performance)
3
2
2
2
1
IN
3
3
IN
INL
INH
3
OL
A
OH
3
= −40°C to +85°C, unless otherwise noted.
1
1
2
Min
12
11
0
−40
0
0.7 V
V
1.6
CC
− 0.2
CC
Rev. 0 | Page 3 of 36
Typ
12
±2
70
60
2
6
5
±0.1
30
0.3
0.3
±2
16
2
0.01
10
±0.1
5
9.5
105
2.6
480
406
0.5
Max
±3
−0.99
+2
±6
±4
V
+85
5
5
0.3 V
0.4
3.6
650
6
CC
CC
V
Unit
Bits
Bits
LSB
LSB
LSB
LSB
LSB
μV rms
dB
MHz
Ω
Ω
V
μA
pF
%
°C
°C
°C
V
kΩ
%
V
V
μA
pF
V
V
μA
pF
μs
kSPS
μA
μA
μA
Test Conditions/Comments
LSB size = 390 μV
LSB size = 390 μV
Calibrated at 25°C
Uncalibrated accuracy
V
Including 2 μs of acquisition time
Digital inputs = 0 V or V
ADC on, PM = 10
ADC and temperature sensor are off; the reference and
oscillator are on; PM = 01, 11
PM = 00
IN
= 0 V or V
CC
CC
AD7879