CC430F6147_15 Datasheet, PDF (65/118 Pages) Texas Instruments – MSP430 SoC With RF Core

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ECCN 5E002 TSPA - Technology / Software Publicly Available
CC430F614x
CC430F514x
CC430F512x
SLAS555A – NOVEMBER 2012 – REVISED FEBRUARY 2013
REF, Built-In Reference (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)⁽¹⁾
PARAMETER
PSRR_AC Power supply rejection ratio (ac)
TEST CONDITIONS
AV_CC = AV_{CC (min)} - AV_CC(max),
T_A = 25°C, f = 1 kHz, ΔVpp = 100 mV,
REFVSEL = (0, 1, 2}, REFON = 1
V_CC
MIN TYP
6.4
t_SETTLE
Settling time of reference
voltage ⁽⁹⁾
AV_CC = AV_CC(min) -
AV_CC(max),
REFVSEL = {0, 1, 2},
T_A = -40°C to
85°C
T_A = 25°C
23
23
REFON = 0 → 1
T_A = 85°C
16
(9) The condition is that the error in a conversion started after t_REFON is less than ±0.5 LSB.
1000
MAX UNIT
mV/V
125
50 ^µs
25
950
900
850
800
750
700
650
600
550
500
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Ambient Temperature - ˚C
Figure 22. Typical Temperature Sensor Voltage
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