Input Frequency − kHz
−250
−200
−150
−100
−50
0
1
10
100
1000
10000
100000
Phase
−
degrees
Slow Mode
Fast Mode
Medium Mode
Input Frequency − kHz
−80
−60
−40
−20
0
20
40
60
80
100
120
140
1
10
100
1000
10000
100000
Slow Mode
Fast Mode
Gain
−
dB
Medium Mode
RO/P(OAx)
Max
0.2V
AVCC
AVCC−0.2V
VOUT
Min
RLoad
AVCC
CLoad
2
ILoad
OAx
O/P(OAx)
MSP430F22x2
MSP430F22x4
www.ti.com
SLAS504G – JULY 2006 – REVISED AUGUST 2012
Figure 25. OAx Output Resistance Tests
Operational Amplifier (OA) Dynamic Specifications (MSP430F22x4 Only)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
Fast Mode
1.2
SR
Slew rate
Medium Mode
0.8
V/µs
Slow Mode
0.3
Open-loop voltage gain
100
dB
φ
m
Phase margin
C
L
= 50 pF
60
deg
Gain margin
C
L
= 50 pF
20
dB
Noninverting, Fast Mode,
2.2
R
L
= 47 k
Ω
, C
L
= 50 pF
Gain-bandwidth product
Noninverting, Medium Mode,
GBW
2.2 V, 3 V
1.4
MHz
(see
Figure 26
and
Figure 27
)
R
L
= 300 k
Ω
, C
L
= 50 pF
Noninverting, Slow Mode,
0.5
R
L
= 300 k
Ω
, C
L
= 50 pF
t
en(on)
Enable time on
t
on
, noninverting, Gain = 1
2.2 V, 3 V
10
20
µs
t
en(off)
Enable time off
2.2 V, 3 V
1
µs
TYPICAL OPEN-LOOP GAIN
TYPICAL PHASE
vs
vs
FREQUENCY
FREQUENCY
Figure 26.
Figure 27.
Copyright © 2006–2012, Texas Instruments Incorporated
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