MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
53
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
operational amplifier OA, dynamic specifications
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
Fast Mode
1.2
SR
Slew rate
Medium Mode
0.8
V/
s
SR
Slew rate
Slow Mode
0.3
V/
s
Open-loop voltage gain
100
dB
m
Phase margin
C
L
= 50 pF
60
deg
Gain margin
C
L
= 50 pF
20
dB
Noninverting, Fast Mode,
R
L
= 47 k
, C
L
= 50 pF
2.2
GBW
Gain-bandwidth product
(see Figure 27 and Figure 28)
Noninverting, Medium Mode,
R
L
= 300 k
, C
L
= 50pF
2.2 V/3 V
1.4
MHz
(see Figure 27 and Figure 28)
Non-inverting, Slow Mode,
R
L
= 300 k
, C
L
= 50pF
0.5
t
en(on)
Enable time on
t
on
, Noninverting, Gain = 1
2.2 V/3 V
10
20
s
t
en(off)
Enable time off
2.2 V/3 V
1
s
Figure 27
Input Frequency -- kHz
--80
--60
--40
--20
0
20
40
60
80
100
120
140
1
10
100
1000
10000
100000
TYPICAL OPEN-LOOP GAIN vs FREQUENCY
Slow Mode
Fast Mode
Gain
--
dB
Medium Mode
Figure 28
Input Frequency -- kHz
--250
--200
--150
--100
--50
0
1
10
100
1000
10000
100000
TYPICAL PHASE vs FREQUENCY
Phase
--
degrees
Slow Mode
Fast Mode
Medium Mode
Summary of Contents for MSP430FG47x
Page 91: ......
