Document Number: 001-52469 Rev. *H Page 18 of 50
DC Low Power Comparator Specifications
Tab le 13 lists 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 at 25 °C and are for design
guidance only.
Table 12. 3.3-V DC Operational Amplifier Specifications
Symbol Description Min Typ Max Units Notes
V
OSOA
Input offset voltage (absolute value)
Power = low, Opamp bias = high
Power = medium, Opamp bias = high
Power = high, Opamp bias = high
–
–
–
1.65
1.32
–
10
8
–
mV
mV
mV
Power = high, Opamp bias = high
is not allowed.
TCV
OSOA
Average input offset voltage drift – 7.0 35.0 V/°C
I
EBOA
Input leakage current (Port 0 analog pins) – 20 – pA Gross tested to 1 A.
C
INOA
Input capacitance (Port 0 analog pins) – 4.5 9.5 pF Package and pin dependent.
T
A
= 25 °C
V
CMOA
Common mode voltage range 0.2 – V
DD
– 0.2 V The common-mode input voltage
range is measured through an
analog output buffer. The
specification includes the
limitations imposed by the
characteristics of the analog
output buffer.
G
OLOA
Open loop gain
Power = low, Opamp bias = low
Power = medium, Opamp bias = low
Power = high, Opamp bias = low
60
60
80
–
–
–
–
–
–
dB
dB
dB
Specification is applicable at high
power. For all other bias modes
(except high power, high opamp
bias), minimum is 60 dB.
V
OHIGHOA
High output voltage swing (internal signals)
Power = low, Opamp bias = low
Power = medium, Opamp bias = low
Power = high, Opamp bias = low
V
DD
– 0.2
V
DD
– 0.2
V
DD
– 0.2
–
–
–
–
–
–
V
V
V
V
OLOWOA
Low output voltage swing (internal signals)
Power = low, Opamp bias = low
Power = medium, Opamp bias = low
Power = high, Opamp bias = low
–
–
–
–
–
–
0.2
0.2
0.2
V
V
V
I
SOA
Supply current (including associated AGND
buffer)
Power = low, Opamp bias = low
Power = low, Opamp bias = high
Power = medium, Opamp bias = low
Power = medium, Opamp bias = high
Power = high, Opamp bias = low
Power = high, Opamp bias = high
–
–
–
–
–
–
150
300
600
1200
2400
–
200
400
800
1600
3200
–
A
A
A
A
A
A
Power = high, Opamp bias = high
is not allowed.
PSRR
OA
Supply voltage rejection ratio 64 80 – dB V
SS
VIN (V
DD
– 2.25) or
(V
DD
– 1.25 V) VIN V
DD
.
Table 13. DC Low Power Comparator Specifications
Symbol Description Min Typ Max Units Notes
V
REFLPC
Low power comparator (LPC) reference
voltage range
0.2 – V
DD
– 1 V
I
SLPC
LPC supply current – 10 40 A
V
OSLPC
LPC voltage offset – 2.5 30 mV
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