參數(shù)資料
型號： MSP430CG4619IPZ
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 59/110頁
文件大?。?/td> 1605K
代理商： MSP430CG4619IPZ
MSP430xG461x
MIXED SIGNAL MICROCONTROLLER
SLAS508I APRIL 2006 REVISED MARCH 2011
52
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit ADC, timing parameters
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
fADC12CLK
For specified performance of
ADC12 linearity parameters
VCC = 2.2V/3 V
0.45
5
6.3
MHz
fADC12OSC
Internal ADC12
oscillator
ADC12DIV=0,
fADC12CLK=fADC12OSC
VCC = 2.2 V/ 3 V
3.7
5
6.3
MHz
t
Conversion time
CVREF+ ≥ 5 μF, Internal oscillator,
fADC12OSC = 3.7 MHz to 6.3 MHz
VCC = 2.2 V/ 3 V
2.06
3.51
μs
tCONVERT
Conversion time
External fADC12CLK from ACLK, MCLK, or SMCLK,
ADC12SSEL
≠ 0
13
×ADC12DIV×
1/fADC12CLK
μs
tADC12ON
Turn on settling time
of the ADC
(see Note 1)
100
ns
t
Sampling time
RS = 400 Ω, RI = 1000 Ω,
C
30 pF
τ [R +R ]xC
VCC = 3 V
1220
ns
tSample
Sampling time
CI = 30 pF, τ = [RS + RI] x CI,
(see Note 2)
VCC = 2.2 V
1400
ns
NOTES:
1. The condition is that the error in a conversion started after tADC12ON is less than ±0.5 LSB. The reference and input signal are already
settled.
2. Approximately ten Tau (
τ) are needed to get an error of less than ±0.5 LSB:
tSample = ln(2n+1) x (RS + RI) x CI+ 800 ns where n = ADC resolution = 12, RS = external source resistance.
12-bit ADC, linearity parameters
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
E
Integral linearity error
1.4 V
≤ (VeREF+ VREF/VeREF) min ≤ 1.6 V
VCC =
±2
LSB
EI
Integral linearity error
1.6 V < (VeREF+ VREF/VeREF) min ≤ [VAVCC]
VCC =
2.2 V/3 V
±1.7
LSB
ED
Differential linearity
error
(VeREF+ VREF/VeREF)min ≤ (VeREF+ VREF/VeREF),
CVREF+ = 10 μF (tantalum) and 100 nF (ceramic)
VCC =
2.2 V/3 V
±1
LSB
EO
Offset error
(VeREF+ VREF/VeREF)min ≤ (VeREF+ VREF/VeREF),
Internal impedance of source RS < 100 Ω,
CVREF+ = 10 μF (tantalum) and 100 nF (ceramic)
VCC =
2.2 V/3 V
±2
±4
LSB
EG
Gain error
(VeREF+ VREF/VeREF)min ≤ (VeREF+ VREF/VeREF),
CVREF+ = 10 μF (tantalum) and 100 nF (ceramic)
VCC =
2.2 V/3 V
±1.1
±2
LSB
ET
Total unadjusted
error
(VeREF+ VREF/VeREF)min ≤ (VeREF+ VREF/VeREF),
CVREF+ = 10 μF (tantalum) and 100 nF (ceramic)
VCC =
2.2 V/3 V
±2
±5
LSB
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