Datasheet

MSP430FG43x
MIXED SIGNAL MICROCONTROLLER
SLAS380C − APRIL 2004 − REVISED MARCH 2011
44
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
operational amplifier OA, supply specifications
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
V
CC
Supply voltage — 2.2 3.6 V
Fast Mode RRIP OFF
2 2 V/3 V
180
290
Fast Mode, RRIP OFF 2.2 V/3 V 180 290
Medium Mode RRIP OFF
2 2 V/3 V
110
190
Medium Mode, RRIP OFF 2.2 V/3 V 110 190
I
Su
pp
l
y
current
Slow Mode, RRIP OFF 2.2 V/3 V 50 80
A
I
CC
Supply
current
(see Note 1)
Fast Mode RRIP ON
2 2 V/3 V
300
490
μA
I
CC
(
see
N
o
t
e
1)
Fast Mode, RRIP ON 2.2 V/3 V 300 490
μA
Medium Mode RRIP ON
2 2 V/3 V
190
350
Medium Mode, RRIP ON 2.2 V/3 V 190 350
Slow Mode RRIP ON
2 2 V/3 V
90
190
Slow Mode, RRIP ON 2.2 V/3 V 90 190
PSRR Power supply rejection ratio Non-inverting 2.2 V/3 V 70 dB
NOTES: 1. P6SEL.x = 1 for each corresponding pin when used in OA input or OA output mode.
operational amplifier OA, input/output specifications
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
V
Voltage supply I/P
RRIP OFF — −0.1 V
CC
−1.2 V
V
I/P
Voltage supply, I/P
RRIP ON — −0.1 V
CC
+0.1 V
I
Input leaka
g
e current, I/P
T
A
= −40 to +55_C — −5 ±0.5 5 nA
I
Ikg
Input
leakage
current
,
I/P
(see Notes 1 and 2)
T
A
= +55 to +85_C — −20 ±5 20 nA
Fast Mode — 50
Medium Mode
f
V
(
I/P
)
= 1 kHz
— 80
V
Voltage noise density I/P
Slow Mode
f
V(I/P)
1
kHz
— 140
nV/√Hz
V
n
Voltage noise density, I/P
Fast Mode — 30
nV/√Hz
Medium Mode
f
V
(
I/P
)
= 10 kHz
— 50
Slow Mode
f
V(I/P)
10
kHz
— 65
V
Offset voltage I/P
2 2 V/3 V
±10
mV
V
IO
Offset voltage, I/P 2.2 V/3 V ±10 mV
Offset temperature drift, I/P see Note 3 2.2 V/3 V ±10 μV/°C
Offset voltage drift
with supply, I/P
0.3V ≤ V
IN
≤ V
CC
−0.3V
ΔV
CC
≤ ± 10%, T
A
= 25°C
2.2 V/3 V ±1.5 mV/V
V
High level output voltage O/P
Fast Mode, I
SOURCE
≤ −500μA 2.2 V V
CC
−0.2 V
CC
V
V
OH
High-level output voltage, O/P
Slow Mode,I
SOURCE
≤ −150μA 3 V V
CC
−0.1 V
CC
V
V
Low level output voltage O/P
Fast Mode, I
SOURCE
≤ +500μA 2.2 V V
SS
0.2
V
V
OL
Low-level output voltage, O/P
Slow Mode,I
SOURCE
≤ +150μA 3 V V
SS
0.1
V
R
Load
= 3 kΩ, C
Load
= 50pF, RRIP ON,
V
O/P(OAx)
< 0.2 V
2.2 V/3 V 150 250
R
O/P
(OAx
)
Output
Resistance
(see Figure 29 and Note 4)
R
Load
= 3 kΩ, C
Load
= 50pF, RRIP ON,
V
O/P(OAx)
> AV
CC
− 0.2 V
2.2 V/3 V 150 250
Ω
(OAx
)
(
see
Fi
gure
29
an
d
N
o
t
e
4)
R
Load
= 3 kΩ, C
Load
= 50pF, RRIP ON,
0.2 V ≤ V
O/P(OAx)
≤ AV
CC
− 0.2 V
2.2 V/3 V 0.1 4
CMRR Common-mode rejection ratio Non-inverting 2.2 V/3 V 70 dB
NOTES: 1. ESD damage can degrade input current leakage.
2. The input bias current is overridden by the input leakage current.
3. Calculated using the box method.
4. Specification valid for voltage-follower OAx configuration.