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MSP432P401R Datasheet, PDF (46/157 Pages) Texas Instruments – Mixed-Signal Microcontrollers
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MSP432P401R, MSP432P401M
SLAS826B – MARCH 2015 – REVISED FEBRUARY 2016
www.ti.com
Table 5-38. 14-Bit ADC, Timing Parameters
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
fADC14CLK
PARAMETER
For specified performance of
ADC14 linearity parameters
TEST CONDITIONS
1 Msps, ADC14PWRMD = 0
200 ksps, ADC14PWRMD = 2
VCC
1.8 V to 3.7 V
1.62 V to 3.7 V
MIN TYP MAX UNIT
25
MHz
5
ADC14RES = 11
16
NCONVERT Clock cycles for conversion
ADC14RES = 10
ADC14RES = 01
14
cycles
11
tADC14ON
tSample
Turnon settling time of the ADC
Sampling time(2)
ADC14RES = 00
See (1)
RS = 200 Ω, CS = 10pF
0.215
9
100
ns
µs
(1) The condition is that the error in a conversion started after tADC14ON is less than ±0.5 LSB. The reference and input signal are already
settled.
(2) Sampling time should be at-least 4x 1/fADC14CLK.
Table 5-39. 14-Bit ADC, Linearity Parameters, LDO Operation
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
SINAD
ENOB
PARAMETER
With single-ended input
With differential input
With single-ended input
With differential input
TEST CONDITIONS
1Msps, ADC14DIF = 0, ADC14VRSEL = 1110(1),
2.5-V reference, 20-kHz input sine
1Msps, ADC14DIF = 1, ADC14VRSEL = 1110(1),
2.5-V reference, 20-kHz input sine
1Msps, ADC14DIF = 0, ADC14VRSEL = 1110(1),
2.5-V reference, 20-kHz input sine
1Msps, ADC14DIF = 1, ADC14VRSEL = 1110(1),
2.5-V reference, 20-kHz input sine
VCC
1.8 V to 3.7 V
MIN
TBD
TYP
75
1.8 V to 3.7 V TBD
80
1.8 V to 3.7 V TBD 12.1
1.8 V to 3.7 V TBD
13
EI
Integral linearity error
(INL)
1.45 V≤ VR+ - VR-≤ AVCC
1.2 V < VR+ - VR-< 1.45
ED
Differential linearity
error (DNL)
–2.0
TBD
–0.99
EO
Offset error
EG
Gain error
ET
Total unadjusted error
–0.7 ±0.35
–2.0
±1
–10 ±TBD
(1) VeREF- pin should be connected to onboard ground for ADC14VRSEL = 1110.
MAX
2.0
TBD
1.0
0.7
2.0
10
UNIT
dB
bit
LSB
LSB
mV
LSB
LSB
46
Specifications
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