Datasheet

MSP430F22x2
MSP430F22x4
SLAS504G –JULY 2006–REVISED AUGUST 2012 www.ti.com
Operational Amplifier (OA) Supply 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
V
CC
Supply voltage range 2.2 3.6 V
Fast Mode 180 290
I
CC
Supply current
(1)
Medium Mode 2.2 V, 3 V 110 190 µA
Slow Mode 50 80
PSRR Power-supply rejection ratio Noninverting 2.2 V, 3 V 70 dB
(1) Corresponding pins configured as OA inputs and outputs, respectively.
Operational Amplifier (OA) Input/Output 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
V
I/P
Input voltage range -0.1 V
CC
- 1.2 V
T
A
= -40 to +55°C -5 ±0.5 5
Input leakage
I
lkg
T
A
= +55 to +85°C 2.2 V, 3 V -20 ±5 20 nA
current
(1) (2)
T
A
= +85 to +105°C -50 50
Fast Mode 50
Medium Mode f
V(I/P)
= 1 kHz 80
Slow Mode 140
Voltage noise
V
n
nV/√Hz
density, I/P
Fast Mode 30
Medium Mode f
V(I/P)
= 10 kHz 50
Slow Mode 65
V
IO
Offset voltage, I/P 2.2 V, 3 V ±10 mV
Offset temperature
2.2 V, 3 V ±10 µV/°C
drift, I/P
(3)
Offset voltage drift 0.3 V ≤ V
IN
≤ V
CC
- 1.0 V
2.2 V, 3 V ±1.5 mV/V
with supply, I/P ΔV
CC
≤ ±10%, T
A
= 25°C
Fast Mode, I
SOURCE
≤ -500 µA V
CC
- 0.2 V
CC
High-level output
V
OH
2.2 V, 3 V V
voltage, O/P
Slow Mode, I
SOURCE
≤ -150 µA V
CC
- 0.1 V
CC
Fast Mode, I
SOURCE
≤ 500 µA V
SS
0.2
Low-level output
V
OL
2.2 V, 3 V V
voltage, O/P
Slow Mode, I
SOURCE
≤ 150 µA V
SS
0.1
R
Load
= 3 kΩ, C
Load
= 50 pF,
150 250
V
O/P(OAx)
< 0.2 V
Output resistance
(4)
R
Load
= 3 kΩ, C
Load
= 50 pF,
R
O/P(OAx)
2.2 V, 3 V 150 250 Ω
(see Figure 25) V
O/P(OAx)
> V
CC
- 1.2 V
R
Load
= 3 kΩ, C
Load
= 50 pF,
0.1 4
0.2 V ≤ V
O/P(OAx)
≤ V
CC
- 0.2 V
Common-mode
CMRR Noninverting 2.2 V, 3 V 70 dB
rejection ratio
(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
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