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| MSP430X15X Datasheet, PDF (45/73 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER | |||
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MSP430x15x, MSP430x16x, MSP430x161x
MIXED SIGNAL MICROCONTROLLER
SLAS368E â OCTOBER 2002 â REVISED AUGUST 2006
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, output specifications
PARAMETER
TEST CONDITIONS
No Load, VeREF+ = AVCC,
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
No Load, VeREF+ = AVCC,
Output voltage DAC12_xDAT = 0FFFh, DAC12IR = 1,
range
DAC12AMPx = 7
VO
(see Note 1,
RLoad= 3 kΩ, VeREF+ = AVCC,
Figure 22)
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
RLoad= 3 kΩ, VeREF+ = AVCC,
DAC12_xDAT = 0FFFh, DAC12IR = 1,
DAC12AMPx = 7
CL(DAC12)
Max DAC12
load capacitance
IL(DAC12)
Max DAC12
load current
RLoad= 3 kΩ
VO/P(DAC12) = 0 V
DAC12AMPx = 7
DAC12_xDAT = 0h
RO/P(DAC12)
Output
Resistance
(see Figure 22)
RLoad= 3 kΩ
VO/P(DAC12) = AVCC
DAC12AMPx = 7
DAC12_xDAT = 0FFFh
RLoad= 3 kΩ
0.3 V < VO/P(DAC12) < AVCC â 0.3 V
DAC12AMPx = 7
NOTES: 1. Data is valid after the offset calibration of the output amplifier.
VCC
MIN
2.2V/3V
0
2.2V/3V AVCCâ0.05
2.2V/3V
0
2.2V/3V AVCCâ0.13
2.2V/3V
2.2V
3V
â0.5
â1.0
2.2V/3V
2.2V/3V
2.2V/3V
DAC12
ILoad
RLoad
AV CC
2
RO/P(DAC12_x)
Max
O/P(DAC12_x) CLoad= 100pF
Min
0.3
Figure 22. DAC12_x Output Resistance Tests
TYP
MAX UNIT
0.005
V
AVCC
0.1 V
AVCC
V
100 pF
+0.5 mA
+1.0 mA
150
250
Ω
150
250
1
4
AVCCâ0.3V VOUT
AV CC
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
45
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