Specifications

CY8C24094, CY8C24794
CY8C24894, CY8C24994
Document Number: 38-12018 Rev. AH Page 27 of 64
10.3.6 DC Analog Output Buffer Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V
and –40 °C  T
A
 85 °C, or 3.0 V to 3.6 V and –40 °C  T
A
 85 °C, respectively. Typical parameters are measured at 5 V and 3.3 V
at 25 °C and are for design guidance only.
Table 17. 5-V DC Analog Output Buffer Specifications
Symbol Description Min Typ Max Units Notes
C
L
Load Capacitance – – 200 pF This specification applies to the
external circuit that is being
driven by the analog output
buffer.
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 – V
DD
– 1.0 V
R
OUTOB
Output resistance
Power = low
Power = high
–
–
0.6
0.6
–
–


V
OHIGHOB
High output voltage swing
(Load = 32 ohms to V
DD
/2)
Power = low
Power = high
0.5 × V
DD
+ 1.1
0.5 × V
DD
+ 1.1
–
–
–
–
V
V
V
OLOWOB
Low output voltage swing
(Load = 32 ohms to V
DD
/2)
Power = low
Power = high
–
–
–
–
0.5 × V
DD
– 1.3
0.5 × V
DD
– 1.3
V
V
I
SOB
Supply current including opamp 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 × V
DD
– 1.3)  V
OUT

(V
DD
– 2.3).