Cypress CY8C24994 Manual De Usuario

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CY8C24094, CY8C24794
CY8C24894, CY8C24994
Document Number: 38-12018 Rev. *M
Page 25 of 47
10.3.6  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. 
Table 10-9.  5V DC Analog Output Buffer Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
V
OSOB
Input Offset Voltage (Absolute Value)
3
12
mV
TCV
OSO
B
Average Input Offset Voltage Drift
+6
μV/°C
V
CMOB
Common-Mode Input Voltage Range
0.5
Vdd - 1.0
V
R
OUTOB
Output Resistance
Power = Low
Power = High
0.6
0.6
W
W
V
OHIGHO
B
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
53
64
dB
(0.5 x Vdd - 1.3) 
≤ V
OUT
 
≤ 
(Vdd - 2.3).
Table 10-10.  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
μV/°C
V
CMOB
Common-Mode Input Voltage Range
0.5
-
Vdd - 1.0
V
R
OUTOB
Output Resistance
Power = Low
Power = High
1
1
W
W
V
OHIGHO
B
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
34
64
dB
(0.5 x Vdd - 1.0) 
≤ V
OUT
 
≤ 
(0.5 x Vdd + 0.9).