Datasheet

MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504B − JULY 2006 − REVISED JULY 2007
51
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
operational amplifier OA, supply specifications (MSP430x22x4 only)
PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT
V
CC
Supply voltage range 2.2 3.6 V
Fast Mode 180 290
I
CC
Supply current (see Note 1)
Medium Mode
2.2 V/3 V
110 190
μA
I
CC
Supply
current
(see
Note
1)
Slow Mode
2.2
V/3
V
50 80
μA
PSRR Power supply rejection ratio Non-inverting 2.2 V/3 V 70 dB
NOTES: 1. Corresponding pins configured as OA inputs and outputs respectively.
operational amplifier OA, input/output specifications (MSP430x22x4 only)
PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT
V
I/P
Input voltage range −0.1 V
CC
−1.2 V
Itlk t
T
A
= −40 to +55_C −5 ±0.5 5
I
Ik
g
Input leakage current
(see Notes 1 and 2)
T
A
= +55 to +85_C
2.2 V/3 V
−20 ±5 20
nA
I
Ikg
(
see
N
o
t
es
1
an
d
2)
T
A
= +85 to +105_C
2.2
V/3
V
−50 50
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
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
0.3 V ≤ V
IN
≤ V
CC
−1.0 V
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
≤ −500 μA
2 2 V/3 V
V
CC
−0.2 V
CC
V
V
OH
High-level output voltage, O/P
Slow Mode, I
SOURCE
≤ −150 μA
2.2 V/3 V
V
CC
−0.1 V
CC
V
V
Low level output voltage O/P
Fast Mode, I
SOURCE
≤ +500 μA
2 2 V/3 V
V
SS
0.2
V
V
OL
Low-level output voltage, O/P
Slow Mode, I
SOURCE
≤ +150 μA
2.2 V/3 V
V
SS
0.1
V
R
Load
= 3 kΩ, C
Load
= 50pF,
V
O/P(OAx)
< 0.2 V
150 250
R
O/P(OAx)
Output resistance
(see Figure 25 and Note 4)
R
Load
= 3 kΩ, C
Load
= 50pF,
V
O/P(OAx)
> V
CC
− 1.2 V
2.2 V/3 V
150 250
Ω
R
Load
= 3 kΩ, C
Load
= 50pF,
0.2 V ≤ V
O/P(OAx)
≤ V
CC
− 0.2 V
0.1 4
CMRR Common-mode rejection ratio Noninverting 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