Datasheet
MSP430F22x2
MSP430F22x4
SLAS504G –JULY 2006–REVISED AUGUST 2012
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Operational Amplifier OA Feedback Network, Resistor Network (MSP430F22x4 Only)
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
R
total
Total resistance of resistor string 76 96 128 kΩ
R
unit
Unit resistor of resistor string
(2)
4.8 6 8 kΩ
(1) A single resistor string is composed of 4 R
unit
+ 4 R
unit
+ 2 R
unit
+ 2 R
unit
+ 1 R
unit
+ 1 R
unit
+ 1 R
unit
+ 1 R
unit
= 16 R
unit
= R
total
.
(2) For the matching (that is, the relative accuracy) of the unit resistors on a device, see the gain and level specifications of the respective
configurations.
Operational Amplifier (OA) Feedback Network, Comparator Mode (OAFCx = 3) (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
OAFBRx = 1, OARRIP = 0 0.245 0.25 0.255
OAFBRx = 2, OARRIP = 0 0.495 0.5 0.505
OAFBRx = 3, OARRIP = 0 0.619 0.625 0.631
OAFBRx = 4, OARRIP = 0 N/A
(1)
OAFBRx = 5, OARRIP = 0 N/A
(1)
OAFBRx = 6, OARRIP = 0 N/A
(1)
OAFBRx = 7, OARRIP = 0 N/A
(1)
V
Level
Comparator level 2.2 V, 3 V V
CC
OAFBRx = 1, OARRIP = 1 0.061 0.0625 0.065
OAFBRx = 2, OARRIP = 1 0.122 0.125 0.128
OAFBRx = 3, OARRIP = 1 0.184 0.1875 0.192
OAFBRx = 4, OARRIP = 1 0.245 0.25 0.255
OAFBRx = 5, OARRIP = 1 0.367 0.375 0.383
OAFBRx = 6, OARRIP = 1 0.495 0.5 0.505
OAFBRx = 7, OARRIP = 1 N/A
(1)
Fast Mode, Overdrive 10 mV 40
Fast Mode, Overdrive 100 mV 4
Fast Mode, Overdrive 500 mV 3
Medium Mode, Overdrive 10 mV 60
t
PLH
, Propagation delay
Medium Mode, Overdrive 100 mV 2.2 V, 3 V 6 µs
t
PHL
(low-high and high-low)
Medium Mode, Overdrive 500 mV 5
Slow Mode, Overdrive 10 mV 160
Slow Mode, Overdrive 100 mV 20
Slow Mode, Overdrive 500 mV 15
(1) The level is not available due to the analog input voltage range of the operational amplifier.
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