Specifications

CY8C24094, CY8C24794
CY8C24894, CY8C24994
Document Number: 38-12018 Rev. AH Page 28 of 64
Table 18. 3.3-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
–
–
1
1
–
–
W
W
V
OHIGHOB
High output voltage swing
(Load = 1 K ohms to V
DD
/2)
Power = low
Power = high
0.5 × V
DD
+ 1.0
0.5 × V
DD
+ 1.0
–
–
–
–
V
V
V
OLOWOB
Low output voltage swing
(Load = 1 K ohms to V
DD
/2)
Power = low
Power = high
–
–
–
–
0.5 × V
DD
– 1.0
0.5 × V
DD
– 1.0
V
V
I
SOB
Supply current including opamp bias
cell (No load)
Power = low
Power = high
–
–
0.8
2.0
2.0
4.3
mA
mA
PSRR
OB
Supply voltage rejection ratio 34 64 – dB (0.5 × V
DD
– 1.0)  V
OUT

(0.5 × V
DD
+ 0.9).