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AD7873BRQZ-REEL Datasheet(PDF) 5 Page - Analog Devices

No. de pieza AD7873BRQZ-REEL
Descripción Electrónicos  Touch Screen Digitizer
Download  29 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

AD7873BRQZ-REEL Datasheet(HTML) 5 Page - Analog Devices

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AD7873
Data Sheet
Rev. F | Page 4 of 28
Parameter
AD7873A1
AD7873B1
Unit
Test Conditions/Comments
LOGIC OUTPUTS
Output High Voltage, VOH
VCC – 0.2
VCC – 0.2
V min
ISOURCE = 250 µA; VCC = 2.2 V to 5.25 V
Output Low Voltage, VOL
0.4
0.4
V max
ISINK = 250 µA
PENIRQ Output Low Voltage, VOL
0.4
0.4
V max
100 kΩ pull-up; ISINK = 250 µA
Floating-State Leakage Current
±10
±10
µA max
Floating-State Output Capacitance5
10
10
pF max
Output Coding
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
12
12
DCLK cycles max
Track-and-Hold Acquisition Time
3
3
DCLK cycles min
Throughput Rate
125
125
kSPS max
POWER REQUIREMENTS
+VCC (Specified Performance)
2.7/3.6
2.7/3.6
V min/max
Functional from 2.2 V to 5.25 V
ICC6
Digital I/Ps = 0 V or VCC
Normal Mode (fSAMPLE = 125 kSPS)
380
380
µA max
Internal reference off, VCC = 3.6 V, 240 µA typ
670
670
µA typ
Internal reference on, VCC = 3.6 V
Normal Mode (fSAMPLE = 12.5 kSPS)
170
170
µA typ
Internal reference off, VCC = 2.7 V, fDCLK = 200 kHz
Normal Mode (Static)
150
150
µA typ
Internal reference off, VCC = 3.6 V
580
580
µA typ
Internal reference on, VCC = 3.6 V
Shutdown Mode (Static)
1
1
µA max
200 nA typ
Power Dissipation6
Normal Mode (fSAMPLE = 125 kSPS)
1.368
1.368
mW max
Internal reference off, VCC = 3.6 V
2.412
2.412
mW typ
Internal reference on, VCC = 3.6 V
Shutdown
3.6
3.6
µW max
VCC = 3.6 V
1
Temperature range as follows: A, B Versions: –40°C to +85°C.
2
See the Terminology section.
3
Difference between TEMP0 and TEMP1 measurement. No calibration necessary.
4
Temperature drift is –2.1 mV/°C.
5
Sample tested @ 25°C to ensure compliance.
6
See the Power vs. Throughput Rate section.


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