AD7877ACPZ-REEL Overview
Housed in a Tape & Reel (TR) package.Dispatched with the 32-VFQFN Exposed Pad, CSP package.For better data acquisition performance the device adapts SPI interface.The part is mounted in the Surface Mount.If your meter doesn't read 2.7V~5.25V for the supply voltage as this unit is designed you better redo the circuit.The average operating temps for this chip should be -40°C~85°C.There are 32 terminals in total, which has their own funcitions.AD7877 is the base part number of this device.In total, there are 32 pins of the part.It provides with External Internal voltage reference.32-pin data acquisition device for your specialized needs.The lowest voltage can be supplied to this linear device is 2.7V.This is a high resolution 12-bit data acquisition device.Voltage exceeding 3.6V is not permitted to supply the part.Normal function status of the part requires 1μA supply current.It is also used as a CONSUMER CIRCUIT cosumer IC.This video processing device combines 9 channels to achieve amazing performance.It compounds additional features like FUNCTIONALLY IT OPERATES FROM 2.2 TO 5.25V.
AD7877ACPZ-REEL Features

AD7877ACPZ-REEL Applications
There are a lot of Analog Devices Inc.
AD7877ACPZ-REEL Touch Screen Controllers applications.

Audio/Video devices
Cell Phones
Digital Multimeters, PLC's (Programming Logic Controllers)
RADAR processing, digital oscilloscopes
CMOS Image sensors for mobile applications
Medical Instrumentation and medical imaging
Music recording
Digital signal processing
Scientific instruments
Rotary encoder

Contact Plating	Tin
Mounting Type	Surface Mount
Package / Case	32-VFQFN Exposed Pad, CSP
Surface Mount	YES
Number of Pins	32
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
JESD-609 Code	e3
Pbfree Code	yes
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	32
Additional Feature	FUNCTIONALLY IT OPERATES FROM 2.2 TO 5.25V
Voltage - Supply	2.7V~5.25V
Terminal Position	QUAD
Peak Reflow Temperature (Cel)	260
Number of Functions	1
Terminal Pitch	0.5mm
Time@Peak Reflow Temperature-Max (s)	40
Base Part Number	AD7877
Pin Count	32
Supply Voltage-Max (Vsup)	3.6V
Supply Voltage-Min (Vsup)	2.7V
Number of Channels	9
Interface	SPI
Operating Supply Current	1μA
Power Dissipation	3.2mW
Number of Bits	12
Sampling Rate	125 ksps
Input Capacitance	30pF
Consumer IC Type	CONSUMER CIRCUIT
Resolution (Bits)	12 b
Touchscreen	4 Wire Resistive
Voltage Reference	External Internal
Length	5mm
Height Seated (Max)	1mm
Width	5mm
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Contains Lead