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Document Number: 38-12018 Rev. *M Page 25 of 47
10.3.6 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 3.0V to 3.6V 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 10-9. 5V DC Analog Output Buffer Specifications
Symbol Description Min Typ Max Units Notes
V
OSOB
Input Offset Voltage (Absolute Value) – 3 12 mV
TCV
OSO
B
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
OHIGHO
B
High Output Voltage Swing (Load = 32 ohms
to Vdd/2)
Power = Low
Power = High
0.5 x Vdd
+
1.1
0.5 x Vdd
+
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 10-10. 3.3V 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 – 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
OHIGHO
B
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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