AD7877 Analog Devices, AD7877 Datasheet - Page 6

• Manufacturer Part Number: AD7877
• Description: Touch Screen Controller
• Manufacturer: Analog Devices

Specifications of AD7877

• Resolution (bits): 12bit
• # Chan: 9
• Sample Rate: 125kSPS
• Interface: Ser
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: CSP

AD7877
ABSOLUTE MAXIMUM RATINGS
T
Table 3.
Parameter
V
Analog Input Voltage to GND
Digital Input Voltage to GND
Digital Output Voltage to GND
V
V
Input Current to Any Pin Except Supplies
ESD Rating (IEC 1000-4-2, Air Discharge)
Operating Temperature Range
Storage Temperature Range
Junction Temperature
LFCSP Package
IR Reflow Peak Temperature
Lead Temperature (Soldering 10 sec)
1
Transient currents of up to 100 mA do not cause SCR latch-up.
CC
REF
BAT
A
Power Dissipation
θ
Tablet Pins (X+, X−, Y+, Y−)
Other Pins
Pb-Free Parts Only
= 25°C, unless otherwise noted.
to GND
JA
to GND
to GND
Thermal Impedance
1
Rating
−0.3 V to +7 V
−0.3 V to V
−0.3 V to V
−0.3 V to V
−0.3 V to V
−0.3 V to V
10 mA
4 kV
2 kV
−40°C to +85°C
−65°C to +150°C
150°C
450 mW
135.7°C/W
220°C
260°C (±0.5°C)
300°C
CC
CC
CC
CC
CC
+ 0.3 V
+ 0.3 V
+ 0.3 V
+ 0.3 V
+5 V
Rev. D | Page 6 of 44
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
Data Sheet