Datasheet

Table Of Contents
MSP430FG42x0
MIXED SIGNAL MICROCONTROLLER
SLAS556A − JULY 2007 − REVISED AUGUST 2007
32
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, supply specifications
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
AV
CC
Analog supply voltage
AV
CC
=
DV
CC
,
AV
SS
= DV
SS
= 0 V
2.20 3.60 V
DAC12AMPx = 2, DAC12IR=0,
DAC12_xDAT=0800h
50 110
I
Supply current
DAC12AMPx = 2, DAC12IR=1,
DAC12_xDAT = 0800h, V
REF,DAC12
= AV
CC
2 2V/3V
50 110
A
I
DD
Supply
current
(see Notes 1 and 2)
DAC12AMPx = 5, DAC12IR = 1,
DAC12_xDAT = 0800h, V
REF,DAC12
= AV
CC
2.2V/3V
200 440
μA
DAC12AMPx=7, DAC12IR = 1,
DAC12_xDAT = 0800h, V
REF,DAC12
= AV
CC
700 1500
PSRR
Power supply
rejection ratio
(see Notes 3 and 4)
DAC12_xDAT = 800h, V
REF,DAC12
= 1.2V
ΔAV
CC
= 100 mV
2.7V 70 dB
NOTES: 1. No load at the output pin assuming that the control bits for the shared pins are set properly.
2. Current into reference terminals not included. If DAC12IR = 1 current flows through the input divider; see Reference Input
specifications.
3. PSRR = 20 × logAV
CC
/ΔV
DAC12_xOUT
}.
4. V
REF
is applied externally. The internal reference is not used.