1
10
100
1000
10000
0
-50
-100
-150
-200
-250
Input Frequency - kHz
Phase-degrees
Fast Mode
Medium Mode
Slow Mode
140
120
100
80
60
40
20
0
-20
-40
-60
-80
0.001
0.01
0.1
1
10
100
1000 10000
Input Frequency - kHz
Gain=dB
Fast Mode
Medium Mode
Slow Mode
RO/P(OAx)
Max
0.2V
AVCC
AVCC -0.2V
VOUT
Min
R Load
AVCC
CLoad
2
ILoad
OAx
O/P(OAx)
MSP430FG4619, MSP430FG4618, MSP430FG4617, MSP430FG4616
MSP430CG4619, MSP430CG4618, MSP430CG4617, MSP430CG4616
www.ti.com
SLAS508J – APRIL 2006 – REVISED JUNE 2015
Figure 5-34. OAx Output Resistance Tests
5.41
Operational Amplifier OA, Dynamic Specifications
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
2.2
Noninverting, Fast Mode, R
L
= 47 k
Ω
, C
L
= 50 pF
Gain-bandwidth product
1.4
GBW
(see
Figure 5-35
and
2.2 V, 3 V
MHz
Noninverting, Medium Mode, R
L
= 300 k
Ω
, C
L
= 50 pF
Figure 5-36
)
0.5
Noninverting, Slow Mode, 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
5.42 Operational Amplifier OA, Typical Characteristics
Figure 5-35. Typical Open-Loop Gain vs Frequency
Figure 5-36. Typical Phase vs Frequency
Copyright © 2006–2015, Texas Instruments Incorporated
Specifications
45
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