Product Specifications

CY8C29466/CY8C29566
CY8C29666/CY8C29866
Document Number: 38-12013 Rev. AB Page 27 of 67
Table 19. 3.3-V DC Analog Output Buffer Specifications
Symbol Description Min Typ Max Unit Notes
V
OSOB
Input offset voltage (absolute value)
Power = Low, Opamp bias = Low
Power = Low, Opamp bias = High
Power = High, Opamp bias = Low
Power = High, Opamp bias = High
–
–
–
–
3.2
3.2
6
6
20
20
25
25
mV
mV
mV
mV
High power setting
is not
recommended.
TCV
OSOB
Average input offset voltage drift
Power = Low, Opamp bias = Low
Power = Low, Opamp bias = High
Power = High, Opamp bias = Low
Power = High, Opamp bias = High
–
–
–
–
8
8
12
12
32
32
41
41
µV/°C
µV/°C
µV/°C
µV/°C
High power setting
is not
recommended.
V
CMOB
Common-mode input voltage range 0.5 – V
DD
– 1.0 V
R
OUTOB
Output resistance
Power = Low
Power = High
–
–
–
–
10
10
W
W
V
OHIGHOB
High output voltage swing
(Load = 32 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 = 32 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 bias cell (no load)
Power = Low
Power = High
–
–
0.8
2.0
1
5
mA
mA
PSRR
OB
Supply voltage rejection ratio 60 64 – dB
C
L
Load capacitance – – 200 pF This specification
applies to the
external circuit
driven by the
analog output
buffer.