Cypress CY8C24123A Manual De Usuario

Descargar
Página de 56
CY8C24123A
CY8C24223A, CY8C24423A
Document Number: 38-12028  Rev. *I
Page 25 of 56
DC Analog Output Buffer Specifications
The following tables list the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C 
≤ T
A
 
≤ 85°C, 3.0V to 3.6V and -40°C ≤ T
A
 
≤ 85°C, or 2.4V to 3.0V and -40°C ≤ T
A
 
≤ 85°C, respectively. Typical parameters
apply to 5V, 3.3V, and 2.7V at 25°C and are for design guidance only. 
Table 21.  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
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
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


.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
52
64
dB
V
OUT
 > (Vdd - 1.25).
Table 22.  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
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
52
64
dB
V
OUT
 > (Vdd - 1.25)