Document Number: 001-52469 Rev. *H Page 19 of 50
DC Analog Output Buffer Specifications
The following tables list the 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, 3.0 V to 3.6 V and –40 °C T
A
85 °C, respectively. Typical parameters apply to 5 V and 3.3 V at
25 °C and are for design guidance only.
Table 14. 5-V DC Analog Output Buffer Specifications
Symbol Description Min Typ Max Units Notes
V
OSOB
Input offset voltage (absolute value) – 3 12 mV
TCV
OSOB
Average input offset voltage drift – +6 – V/°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
–
–
V
OHIGHOB
High output voltage swing (Load = 32 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 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 bias cell (no load)
Power = low
Power = high
–
–
1.1
2.6
5.1
8.8
mA
mA
PSRR
OB
Supply voltage rejection ratio 52 64 – dB V
OUT
> (V
DD
– 1.25).
C
L
Load Capacitance – – 200 pF This specification
applies to the
external circuit that is
being driven by the
analog output buffer.
Table 15. 3.3-V DC Analog Output Buffer Specifications
Symbol Description Min Typ Max Units Notes
V
OSOB
Input offset voltage (absolute value) – 3 12 mV
TCV
OSOB
Average input offset voltage drift – +6 – V/°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
–
–
V
OHIGHOB
High output voltage swing (Load = 1 k 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 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
2.0
4.3
mA
mA
PSRR
OB
Supply voltage rejection ratio 52 64 – dB V
OUT
> (V
DD
– 1.25).
C
L
Load Capacitance – – 200 pF This specification
applies to the
external circuit that is
being driven by the
analog output buffer.
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