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| GMS81C7216 Datasheet, PDF (16/121 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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GMS81C7208/7216
7.4 A/D Converter Characteristics
(TA=25°C, VSS=0V, VDD=5.0V, AVDD=5.0V @fXIN=4MHz)
Parameter
Specifications
Symbol
Test Condition
Unit
Min.
Typ.1
Max.
Analog Input Voltage Range
VAIN
VSS-0.3
-
AVDD+0.3
V
Non-linearity Error
NNLE
-
±1.0
±1.5
LSB
Differential Non-linearity Error
NDNLE
-
±1.0
±1.5
LSB
Zero Offset Error
NZOE
-
±0.5
±1.5
LSB
Full Scale Error
NFSE
VDD=AVDD=5.0V
-
±0.25
±0.5
LSB
Gain Error
NGE
-
±1.0
±1.5
LSB
Overall Accuracy
NACC
-
±1.0
±1.5
LSB
AVDD Input Current
IREF
-
-
200
µA
Conversion Time
TCONV
-
-
20
µs
Analog Power Supply Input Range
AVDD
VDD=5.0V
3.0
VDD=3.0V
2.7
-
VDD
V
1. Data in âTypâ column is at 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.
7.5 AC Characteristics
(TA=-40~+85°C, VDD=5V±10%, VSS=0V)
Parameter
Symbol
Pins
Specifications
Min.
Typ.
Max.
Operating Frequency
fMAIN
XIN
0.455
-
4.2
External Clock Pulse Width
tMCPW
XIN
80
-
-
External Clock Transition Time tMRCP,tMFCP
XIN
-
-
20
Main oscillation Stabilizing
Time
tMST
XIN, XOUT at 4MHz
-
-
20
Interrupt Pulse Width
tIW
INT0, INT1, INT2
2
-
-
RESET Input Width
tRST
RESET
8
-
-
Event Counter Input Pulse
Width
tECW
EC0, EC2
2
-
-
1. tSYS is one of 2/fMAIN or 8/fMAIN or 16/fMAIN or 64/fMAIN in the main clock operation mode.
Unit
MHz
ns
ns
ms
tSYS1
tSYS1
tSYS1
12
FEB. 2005 Ver 1.04
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