Texas Instruments MSP430F4132IPM, Руководство пользователя

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MSP430F41x2
MIXED SIGNAL MICROCONTROLLER
SLAS648E -- APRIL 2009 -- REVISED MARCH 2011
43
POST OFFICE BOX 655303

DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
10-bit ADC, timing parameters
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
f ADC10 inp t clock freq enc
For specified
performance of
ADC10SR = 0 2.2 V/3 V 0.45 6.3
MH f
ADC10CLK
ADC10 input clock frequency
performance of
ADC10 linearity
parameters
ADC10SR = 1 2.2 V/3 V 0.45 1.5
MHz
f
ADC10OSC
ADC10 built-in oscillator frequency
ADC10DIVx = 0, ADC10SSELx = 0
f
ADC10CLK =
f
ADC10OSC
2.2 V/3 V 3.7 6.3 MHz
t Con ersion time
ADC10 built-in oscillator,
ADC10SSELx = 0
f
ADC10CLK =
f
ADC10OSC
2.2 V/3 V 2.06 3.51

s
t
CONVERT
Conversion time
f
ADC10CLK
from ACLK, MCLK or
SMCLK: ADC10SSELx

0
13

ADC10DIV

1/f
ADC10CLK

s
t
ADC10ON
Turn on settling time of the ADC See Note 1 100 ns
NOTE 1: The condition is that the error in a conversion started after t
ADC10ON
is less than

0.5 LSB. The reference and input signals are already
settled.
10-bit ADC, linearity parameters
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
E
I
Integral linearity error 2.2 V/3 V

1 LSB
E
D
Differential linearity error 2.2 V/3 V

1 LSB
E
O
Offset error Source impedance R
S
< 100

2.2 V/3 V

1 LSB
SREFx = 010, Unbuffered external reference, V
eREF+ =
1.5 V 2.2 V

1.1

2 LSB
SREFx = 010, Unbuffered external reference, V
eREF+ =
2.5 V 3 V

1.1

2 LSB
E
G
Gain error
SREFx = 011, Buffered external reference (see Note 2),
V
eREF+ =
1.5 V
2.2 V

1.1

4 LSB
SREFx = 011, Buffered external reference (see Note 2),
V
eREF+ =
2.5 V
3 V

1.1

3 LSB
SREFx = 010, Unbuffered external reference, V
eREF+ =
1.5 V 2.2 V

2

5 LSB
SREFx = 010, Unbuffered external reference, V
eREF+ =
2.5 V 3 V

2

5 LSB
E
T
Total unadjusted error
SREFx = 011, Buffered external reference (see Note 2),
V
eREF+ =
1.5 V
2.2 V

2

7 LSB
SREFx = 011, Buffered external reference (see Note 2),
V
eREF+ =
2.5 V
3 V

2

6 LSB
NOTE 1: The reference buffer’s offset adds to the gain and total unadjusted error.