EVAL-AD7747EBZ Analog Devices Inc, EVAL-AD7747EBZ Datasheet - Page 26

• Manufacturer Part Number: EVAL-AD7747EBZ
• Description: 24-Bit Capacitance-to-Digital Converter Eval. Board
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7747EBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: Capacitance-to-Digital Converter
• Kit Application Type: Data Converter
• Silicon Core Number: AD7747
• Sensor Type: Touch, Capacitive
• Interface: I²C
• Voltage - Supply: 2.7 V ~ 5.25 V
• Embedded: No
• Utilized Ic / Part: AD7747
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD7747
TYPICAL APPLICATION DIAGRAM
CIN1(+)
CIN1(–)
VIN (+)
VIN (–)
SHLD
SENSOR
EXCITATION
TEMP
Figure 39. Basic Application Diagram for a Differential Capacitive Sensor
MUX
CAP DAC 1
CAP DAC 2
REFIN(+)
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GENERATOR
24-BIT Σ-Δ
GENERATOR
CLOCK
REFIN(–)
VDD
DIGITAL
FILTER
REFERENCE
CONTROL LOGIC
VOLTAGE
CALIBRATION
0.1µF
AD7747
INTERFACE
GND
+
SERIAL
I
2
C
10µF
SDA
SCL
RDY
10kΩ
10kΩ
3V/5V
POWER SUPPLY
SYSTEM
HOST