SLAS616 datasheet(31/52 Pages) TI2

31 / 52 page

MSP430FE42x2

MIXED SIGNAL MICROCONTROLLER

SLAS616 − JULY 2008

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature (unless otherwise

noted) (continued)

ESP430CE1B, SD16 built-in voltage reference

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF

Internal reference

voltage

SD16REFON = 1, SD16VMIDON = 0

3 V

1.14

1.20

1.26

IREF

Reference supply

current

SD16REFON = 1, SD16VMIDON = 0

3 V

175

260

µA

Temperature

coefficient

SD16REFON = 1, SD16VMIDON = 0 (see Note 1)

3 V

ppm/K

CREF

VREF load

capacitance

SD16REFON = 1, SD16VMIDON = 0 (see Note 2)

100

ILOAD

VREF(I) maximum

load current

SD16REFON = 0, SD16VMIDON = 0

3 V

±200

tON

Turn-on time

SD16REFON = 0

→ 1, SD16VMIDON = 0, CREF = 100 nF

3 V

DC PSR

DC power supply

rejection,

∆VREF/∆VCC

SD16REFON = 1, SD16VMIDON = 0, VCC = 2.5 V to 3.6 V

200

µV/V

NOTES:

1. Calculated using the box method: (MAX(−40...85

°C) − MIN(−40...85°C)) / MIN(−40...85°C) / (85 − (−40°C))

2. There is no capacitance required on VREF. However, a capacitance of at least 100 nF is recommended to reduce any reference

voltage noise.

ESP430CE1B, SD16 reference output buffer

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF,BUF

Reference buffer

output voltage

SD16REFON = 1, SD16VMIDON = 1

3 V

1.2

IREF,BUF

Reference supply +

reference output

buffer quiescent

current

SD16REFON = 1, SD16VMIDON = 1

3 V

385

600

µA

CREF(O)

Required load

capacitance on

VREF

SD16REFON = 1, SD16VMIDON = 1

470

ILOAD,Max

Maximum load

current on VREF

SD16REFON = 1, SD16VMIDON = 1

3 V

±1

Maximum voltage

variation vs load

current

|ILOAD| = 0 to 1mA

3 V

−15

+15

tON

Turn-on time

SD16REFON = 0

→ 1, SD16VMIDON = 1, CREF = 470 nF

3 V

100

µs

ESP430CE1B, SD16 external reference input

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF(I)

Input voltage range

SD16REFON = 0

3 V

1.0

1.25

1.5

IREF(I)

Input current

SD16REFON = 0

3 V

SLAS616 Datasheet(PDF) 31 Page - Texas Instruments

SLAS616 Datasheet(HTML) 31 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

Datasheet Download

Link URL