AS8506 datasheet(13/89 Pages) AMSCO

13 / 89 page

ams Datasheet, Confidential:2013-Sep [1-00]

AS8506 – 13

El ec trical Charac t e ristics

High-precision Bandgap Reference

-40ºC < TJ < 115ºC; all voltages are with respect to ground

(GND).

Figure 9:

Bandgap Reference Parameters

Note: This bandgap output is the reference for the V5V (LDO) regulator.

Digital to Analog Converter

-40ºC < TJ < 115ºC; all voltages are with respect to ground

(GND).

Figure 10:

Digital to Analog Converter

Symbol

Parameter

Min

Typ

Max

Unit

Note

BG_Out

Reference output after

trim

1.2

1.235

1.27

After temperature trim

BG_out_Tvar

Reference variation with

respect to Temperature

±2.5

±4

After trim on the absolute

PSRR1K

PSRR at 1KHz

No production test

PSRRDC

PSRR at DC

Symbol

Parameter

Min

Typ

Max

Unit

Note

VSUP_DAC

Input supply voltage

4.75

5.25

LDO output as supply

VINREF

Input reference voltage

4.485

4.5

4.515

After absolute trim

DIN

Resolution

bits

Guaranteed by design

FDAC

Update rate

KHz

No production test

TSETT_DAC

Settling time

μs

DACINL

INL

±4

LSB

DACDNL

DNL

±0.5

LSB

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