JAJSG24C April 2015 – August 2018 MSP430FR5870 , MSP430FR5872 , MSP430FR58721 , MSP430FR5922 , MSP430FR59221 , MSP430FR5970 , MSP430FR5972 , MSP430FR59721
PRODUCTION DATA.
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
fADC12CLK | Specified performance | For specified performance of ADC12 linearity parameters with ADC12PWRMD = 0,
If ADC12PWRMD = 1, the maximum is 1/4 of the value shown here |
0.45 | 5.4 | MHz | ||
fADC12CLK | Reduced performance | Linearity parameters have reduced performance | 32.768 | kHz | |||
fADC12OSC | Internal oscillator(3) | ADC12DIV = 0, fADC12CLK = fADC12OSC from MODCLK | 4 | 4.8 | 5.4 | MHz | |
tCONVERT | Conversion time | REFON = 0, Internal oscillator,
fADC12CLK = fADC12OSC from MODCLK, ADC12WINC = 0 |
2.6 | 3.5 | µs | ||
External fADC12CLK from ACLK, MCLK, or SMCLK,
ADC12SSEL ≠ 0 |
(2) | ||||||
tADC12ON | Turnon settling time of the ADC | See (1) | 100 | ns | |||
tADC12OFF | Time ADC must be off before can be turned on again | tADC12OFF must be met to make sure tADC12ON time holds | 100 | ns | |||
tSample | Sampling time | RS = 400 Ω, RI = 4 kΩ,
CI = 15 pF, Cpext= 8 pF(4) |
All pulse sample mode (ADC12SHP = 1) and extended sample mode (ADC12SHP = 0) with buffered reference (ADC12 VRSEL = 0x1, 0x3, 0x5, 0x7, 0x9, 0xB, 0xD, 0xF) | 1 | µs | ||
Extended sample mode (ADC12SHP = 0) with unbuffered reference (ADC12 VRSEL= 0x0, 0x2, 0x4, 0x6, 0xC, 0xE) | (5) | µs |
Table 5-24 lists the linearity parameters of the ADC when using an external reference.