English
Language : 

MSP430F4796IPZ Datasheet, PDF (45/89 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER
◁
MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
SD16_A, built-in voltage reference
VREF
PARAMETER
Internal reference
voltage
TEST CONDITIONS
SD16REFON = 1, SD16VMIDON = 0
VCC MIN TYP MAX UNIT
3V
1.14 1.20 1.26 V
Reference supply
IREF
current
SD16REFON = 1, SD16VMIDON = 0
3V
175 260 µA
TC
Temperature coefficient SD16REFON = 1, SD16VMIDON = 0 (see Note 1) 3 V
18 50 ppm/K
CREF
ILOAD
VREF load capacitance SD16REFON = 1, SD16VMIDON = 0 (see Note 2)
VREF(I) maximum load SD16REFON = 1, SD16VMIDON = 0
3V
current
100
nF
±200 nA
SD16REFON = 0-->1, SD16VMIDON = 0,
tON
Turn on time
CREF = 100nF
3V
5
ms
PSRR
Line regulation
SD16REFON = 1, SD16VMIDON = 0
3V
100
uV/V
NOTES: 1. Calculated using the box method: (MAX(--40...85_C) -- MIN(--40...85_C))/MIN(--40...85_C)/(85C -- (--40_C))
2. There is no capacitance required on VREF. However, a capacitance of at least 100nF is recommended to reduce any reference
voltage noise.
SD16_A, reference output buffer
PARAMETER
TEST CONDITIONS
VREF,BUF
Reference buffer output
SD16REFON = 1, SD16VMIDON = 1
voltage
IREF,BUF
Reference Supply +
Reference output buffer SD16REFON = 1, SD16VMIDON = 1
quiescent current
CREF(O)
ILOAD,Max
Required load
capacitance on VREF
SD16REFON = 1, SD16VMIDON = 1
Maximum load current
on VREF
SD16REFON = 1, SD16VMIDON = 1
Maximum voltage
variation vs. load current |ILOAD| = 0 to 1mA
tON
Turn on time
SD16REFON = 0-->1, SD16VMIDON = 1,
CREF = 470nF
VCC MIN TYP MAX UNIT
3V
1.2
V
3V
385 600 µA
470
3V
nF
±1 mA
3 V --15
+15 mV
3V
100
µs
SD16_A, external reference input
PARAMETER
TEST CONDITIONS
VREF(I)
IREF(I)
Input voltage range
Input current
SD16REFON = 0
SD16REFON = 0
VCC MIN TYP MAX UNIT
3V
1.0 1.25 1.5 V
3V
50 nA
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
45
 ▷