June 3, 2004
Document No. 38-12009 Rev. *E
18
CY8C22x13 Final Data Sheet
3. Electrical Specifications
3.3.4
DC Analog Output Buffer Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40
°
C
≤
T
A
≤
85
°
C, or 3.0V to 3.6V and -40
°
C
≤
T
A
≤
85
°
C, respectively. Typical parameters apply to 5V and 3.3V at 25
°
C and
are for design guidance only or unless otherwise specified.
Table 3-8. 5V DC Analog Output Buffer Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
V
OSOB
Input Offset Voltage (Absolute Value)
–
3
12
mV
TCV
OSOB
Average Input Offset Voltage Drift
–
+6
–
µ
V/°C
V
CMOB
Common-Mode Input Voltage Range
0.5
–
Vdd - 1.0
V
R
OUTOB
Output Resistance
Power = Low
Power = High
–
–
1
1
–
–
Ω
Ω
V
OHIGHOB
High Output Voltage Swing (Load = 32 ohms to Vdd/2)
Power = Low
Power = High
0.5 x Vdd
+ 1.1
0.5 x Vdd
+ 1.1
–
–
–
–
V
V
V
OLOWOB
Low Output Voltage Swing (Load = 32 ohms to Vdd/2)
Power = Low
Power = High
–
–
–
–
0.5 x Vdd
- 1.3
0.5 x Vdd
- 1.3
V
V
I
SOB
Supply Current Including Bias Cell (No Load)
Power = Low
Power = High
–
–
1.1
2.6
5.1
8.8
mA
mA
PSRR
OB
Supply Voltage Rejection Ratio
60
–
–
dB
Table 3-9. 3.3V DC Analog Output Buffer Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
V
OSOB
Input Offset Voltage (Absolute Value)
–
3
12
mV
TCV
OSOB
Average Input Offset Voltage Drift
–
+6
–
µ
V/°C
V
CMOB
Common-Mode Input Voltage Range
0.5
-
Vdd - 1.0
V
R
OUTOB
Output Resistance
Power = Low
Power = High
–
–
1
1
–
–
Ω
Ω
V
OHIGHOB
High Output Voltage Swing (Load = 1K ohms to Vdd/2)
Power = Low
Power = High
0.5 x Vdd
+ 1.0
0.5 x Vdd
+ 1.0
–
–
–
–
V
V
V
OLOWOB
Low Output Voltage Swing (Load = 1K ohms to Vdd/2)
Power = Low
Power = High
–
–
–
–
0.5 x Vdd
- 1.0
0.5 x Vdd
- 1.0
V
V
I
SOB
Supply Current Including Bias Cell (No Load)
Power = Low
Power = High
–
0.8
2.0
2.0
4.3
mA
mA
PSRR
OB
Supply Voltage Rejection Ratio
50
–
–
dB
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