CY8C24x23 Final Data Sheet
3. Electrical Specifications
Table 3-12. 3.3V DC Analog Reference Specifications
Symbol
BG
Description
Bandgap Voltage Reference
Min
Typ
Max
Units
1.274
1.30
1.326
V
V
a
–
AGND = Vdd/2
Vdd/2 - 0.037
Not Allowed
Vdd/2 - 0.020
Vdd/2 + 0.002
CT Block Power = High
a
–
AGND = 2 x BandGap
CT Block Power = High
AGND = P2[4] (P2[4] = Vdd/2)
CT Block Power = High
–
–
P2[4] - 0.008
BG - 0.009
P2[4] + 0.001
BG + 0.005
P2[4] + 0.009
BG + 0.015
V
V
a
AGND = BandGap
CT Block Power = High
a
–
–
AGND = 1.6 x BandGap
1.6 x BG - 0.027
1.6 x BG - 0.010
0.000
1.6 x BG + 0.018
0.034
V
CT Block Power = High
a
AGND Column to Column Variation (AGND = Vdd/2)
CT Block Power = High
-0.034
mV
–
–
–
–
–
–
–
–
–
–
–
RefHi = Vdd/2 + BandGap
Not Allowed
Ref Control Power = High
RefHi = 3 x BandGap
Not Allowed
Not Allowed
Not Allowed
Ref Control Power = High
RefHi = 2 x BandGap + P2[6] (P2[6] = 0.5V)
Ref Control Power = High
RefHi = P2[4] + BandGap (P2[4] = Vdd/2)
Ref Control Power = High
RefHi = P2[4] + P2[6] (P2[4] = Vdd/2, P2[6] = 0.5V)
Ref Control Power = High
P2[4] + P2[6] - 0.075
Not Allowed
P2[4] + P2[6] - 0.009
P2[4] + P2[6] + 0.057
V
RefHi = 3.2 x BandGap
Ref Control Power = High
RefLo = Vdd/2 - BandGap
Not Allowed
Not Allowed
Not Allowed
Not Allowed
Ref Control Power = High
RefLo = BandGap
Ref Control Power = High
RefLo = 2 x BandGap - P2[6] (P2[6] = 0.5V)
Ref Control Power = High
RefLo = P2[4] – BandGap (P2[4] = Vdd/2)
Ref Control Power = High
RefLo = P2[4]-P2[6] (P2[4] = Vdd/2, P2[6] = 0.5V)
Ref Control Power = High
P2[4] - P2[6] - 0.048
P2[4]- P2[6] + 0.022
P2[4] - P2[6] + 0.092
V
a. AGND tolerance includes the offsets of the local buffer in the PSoC block. Bandgap voltage is 1.3V ± 2%
3.3.7
DC Analog PSoC Block Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C ≤ T ≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T ≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and
A
A
are for design guidance only or unless otherwise specified.
Table 3-13. DC Analog PSoC Block Specifications
Symbol
Description
Min
Typ
12.24
80
Max
Units
kΩ
fF
Notes
R
C
Resistor Unit Value (Continuous Time)
–
–
–
–
CT
SC
Capacitor Unit Value (Switch Cap)
June 4, 2004
Document No. 38-12011 Rev. *F
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