AD7873ARU-REEL7 Analog Devices Inc, AD7873ARU-REEL7 Datasheet - Page 4

• Manufacturer Part Number: AD7873ARU-REEL7
• Description: IC ADC 12BIT TOUCHSCREEN 16TSSOP
• Manufacturer: Analog Devices Inc
• Type: Resistiver

Specifications of AD7873ARU-REEL7

• Rohs Status: RoHS non-compliant
• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Resolution (bits): 12 b
• Data Interface: Serial
• Data Rate/sampling Rate (sps, Bps): 125k
• Voltage Reference: External, Internal
• Voltage - Supply: 2.2 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 125k
• Lead Free Status / RoHS Status: Not Compliant

AD7873
Parameter
LOGIC OUTPUTS
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
5
6
Temperature range as follows: A, B Versions: –40°C to +85°C.
See the Terminology section.
Difference between TEMP0 and TEMP1 measurement. No calibration necessary.
Temperature drift is –2.1 mV/°C.
Sample tested @ 25°C to ensure compliance.
See the Power vs. Throughput Rate section.
Output High Voltage, V
Output Low Voltage, V
PENIRQ Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
+V
I
Power Dissipation
CC
6
Normal Mode (f
Normal Mode (f
Normal Mode (Static)
Shutdown Mode (Static)
Normal Mode (f
Shutdown
CC
(Specified Performance)
6
SAMPLE
SAMPLE
SAMPLE
OL
OH
= 125 kSPS)
= 12.5 kSPS)
= 125 kSPS)
OL
5
AD7873A
V
0.4
0.4
±10
10
12
3
125
2.7/3.6
380
670
170
150
580
1
1.368
2.412
3.6
CC
– 0.2
1
Straight (Natural) Binary
AD7873B
V
0.4
0.4
±10
10
12
3
125
2.7/3.6
380
670
170
150
580
1
1.368
2.412
3.6
CC
– 0.2
Rev. E | Page 4 of 28
Unit
V min
V max
V max
μA max
pF max
DCLK cycles max
DCLK cycles min
kSPS max
V min/max
μA max
μA typ
μA typ
μA typ
μA typ
μA max
mW max
mW typ
μW max
Test Conditions/Comments
I
I
100 kΩ pull-up; I
Functional from 2.2 V to 5.25 V
Digital I/Ps = 0 V or V
Internal reference off, V
Internal reference on, V
Internal reference off, V
Internal reference off, V
Internal reference on, V
200 nA typ
Internal reference off, V
Internal reference on, V
V
SOURCE
SINK
CC
= 3.6 V
= 250 μA
= 250 μA; V
SINK
CC
= 2.2 V to 5.25 V
= 250 μA
CC
CC
CC
CC
CC
CC
CC
CC
= 3.6 V, 240 μA typ
= 3.6 V
= 2.7 V, f
= 3.6 V
= 3.6 V
= 3.6 V
= 3.6 V
DCLK
= 200 kHz