
Cypress MicroSystems CY8C25122/CY8C26233/CY8C26443/CY8C26643 Family Data Sheet
130
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
September 5, 2002
13.2.2
Analog Input Pin with Multiplexer Specifications
13.2.3
Analog Input Pin to Switch Cap Block Specifications
13.2.4
DC Analog Output Buffer Specifications
The following table lists guaranteed maximum and mini-
mum specifications for the voltage and temperature
ranges, 5V +/- 5% and -40
°
C <= T
A
<= 85
°
C. Typical
parameters apply to 5V at 25
°
C and are for design guid-
ance only. For 3.3V operation, see
Table 109 on
page 131
.
Table 106:
DC Analog Input Pin with Multiplexer Specifications
Symbol
DC Analog Input Pin with Multiplexer Specifications
Minimum
Typical
Maximum
Unit
Input Leakage (Absolute Value)
-
0.1
5
μA
Input Capacitance
0.5
1.7
8
pF
Bandwidth
-
10
-
MHz
Input Voltage Range
0
-
V
cc
V
Table 107:
DC Analog Input Pin to SC Block Specifications
Symbol
DC Analog Input Pin to SC Block Specifications
Minimum
Typical
Maximum
Unit
Effective input resistance = 1/(f x c)
-
5
1
1.
2.
Assumes 2 pF cap selected and 100 kHz sample frequency.
This is a sampled input. Recommendation is Fs/Fin > 10 and for Fs = 1 MHz Fin < 100 kHz.
-
M
Input Capacitance
0.5
-
10
pF
Bandwidth
-
-
100
2
kHz
Input Voltage Range
0
-
V
cc
V
Table 108:
5V DC Analog Output Buffer Specifications
Symbol
5V DC Analog Output Buffer Specifications
Minimum
Typical
Maximum
Unit
Input Offset Voltage (Absolute Value)
-
3
12
mV
Average Input Offset Voltage Drift
-
+6
-
μV/°C
Common-Mode Input Voltage Range
.5
-
V
cc
- 1.0
V
Output Resistance
Bias = Low
Bias = High
-
-
1
1
-
-
High Output Voltage Swing (Load = 32 ohms to V
cc
/2)
Bias = Low
Bias = High
.5 x V
cc
+ 1.3
.5 x V
cc
+ 1.3
-
-
-
-
V
V
Low Output Voltage Swing (Load = 32 ohms to V
cc
/2)
Bias = Low
Bias = High
-
-
-
-
.5 x V
cc
- 1.3
.5 x V
cc
- 1.3
V
V
Supply Current Including Bias Cell (No Load)
Bias = Low
Bias = High
-
-
1.1
2.6
5.1
8.8
mA
mA
Supply Voltage Rejection Ratio
80
-
-
dB