Cypress CY8C21634 Computer Hardware User Manual


 
CY8C21634, CY8C21534
CY8C21434, CY8C21334, CY8C21234
Document Number: 38-12025 Rev. *O Page 22 of 45
DC Low Power Comparator Specifications
Table 20 lists 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 at 25°C and are for design guidance only.
DC Switch Mode Pump Specifications
Table 21 lists 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, or 2.7V at 25°C and are for design guidance only.
Table 19. 2.7V DC Operational Amplifier Specifications
Symbol Description Min Typ Max Units Notes
V
OSOA
Input Offset Voltage (absolute value) 2.5 15 mV
TCV
OSOA
Average Input Offset Voltage Drift 10 μV/
o
C
I
EBOA
[5]
Input Leakage Current (Port 0 Analog Pins) 200 pA Gross tested to 1 μA.
C
INOA
Input Capacitance (Port 0 Analog Pins) 4.5 9.5 pF Package and pin dependent.
Temp = 25
o
C.
V
CMOA
Common Mode Voltage Range 0 Vdd - 1 V
G
OLOA
Open Loop Gain 80 dB
I
SOA
Amplifier Supply Current 10 30 μA
Table 20. DC Low Power Comparator Specifications
Symbol Description Min Typ Max Units Notes
V
REFLPC
Low power comparator (LPC) reference
voltage range
0.2 Vdd - 1 V
I
SLPC
LPC supply current 10 40 μA
V
OSLPC
LPC voltage offset 2.5 30 mV
Table 21. DC Switch Mode Pump (SMP) Specifications
Symbol Description Min Typ Max Units Notes
V
PUMP5V
5V Output Voltage from Pump 4.75 5.0 5.25 V Configuration of footnote.
[6]
Average, neglecting ripple.
SMP trip voltage is set to 5.0V.
V
PUMP3V
3.3V Output Voltage from Pump 3.00 3.25 3.60 V Configuration of footnote.
[6]
Average, neglecting ripple.
SMP trip voltage is set to 3.25V.
V
PUMP2V
2.6V Output Voltage from Pump 2.45 2.55 2.80 V Configuration of footnote.
[6]
Average, neglecting ripple.
SMP trip voltage is set to 2.55V.
I
PUMP
Available Output Current
V
BAT
= 1.8V, V
PUMP
= 5.0V
V
BAT
= 1.5V, V
PUMP
= 3.25V
V
BAT
= 1.3V, V
PUMP
= 2.55V
5
8
8
mA
mA
mA
Configuration of footnote.
[6]
SMP trip voltage is set to 5.0V.
SMP trip voltage is set to 3.25V.
SMP trip voltage is set to 2.55V.
V
BAT5V
Input Voltage Range from Battery 1.8 5.0 V Configuration of footnote.
[6]
SMP trip voltage is set to 5.0V.
V
BAT3V
Input Voltage Range from Battery 1.0 3.3 V Configuration of footnote.
[6]
SMP trip voltage is set to 3.25V.
V
BAT2V
Input Voltage Range from Battery 1.0 2.8 V Configuration of footnote.
[6]
SMP trip voltage is set to 2.55V.
V
BATSTA
RT
Minimum Input Voltage from Battery to Start
Pump
1.2 V Configuration of footnote.
[6]
0
o
C T
A
100. 1.25V at T
A
=
-40
o
C.
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