Document Number: 38-08036 Rev. *E Page 17 of 33
DC Analog Output Buffer Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and –40°C <
T
A
< 85°C, or 3.15V to 3.5V and –40°C < T
A
< 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and
are for design guidance only.
Table 11. 5V DC Analog Output Buffer Specifications
Parameter Description Min Typ Max Unit Notes
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 – Vdd - 1.0 V
R
OUTOB
Output Resistance
Power = Low
Power = High
–
–
0.6
0.6
–
–
W
W
V
OHIGHOB
High Output Voltage Swing
(Load = 32 ohms to Vdd/2)
Power = Low
Power = High
0.5xVdd
+ 1.1
0.5xVdd
+ 1.1
–
–
–
–
V
V
V
OLOWOB
Low Output Voltage Swing
(Load = 32 ohms to Vdd/2)
Power = Low
Power = High
–
–
–
–
0.5 x Vdd
–
1.3
0.5 x Vdd
–
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 53 64 – dB (0.5 x Vdd – 1.3) < V
OUT
< (Vdd
– 2.3).
Table 12. 3.3V DC Analog Output Buffer Specifications
Parameter Description Min Typ Max Unit Notes
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 - Vdd - 1.0 V
R
OUTOB
Output Resistance
Power = Low
Power = High
–
–
1
1
–
–
W
W
V
OHIGHOB
High Output Voltage Swing
(Load = 1K ohms to Vdd/2)
Power = Low
Power = High
0.5 x Vdd
+ 1.0
0.5 x Vdd
+ 1.0
–
–
–
–
V
V
V
OLOWOB
Low Output Voltage Swing
(Load = 1K ohms to Vdd/2)
Power = Low
Power = High
–
–
–
–
0.5 x Vdd
– 1.0
0.5 x Vdd
– 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 34 64 – dB (0.5 x Vdd – 1.0) < V
OUT
< (0.5 x
Vdd + 0.9).
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