Texas Instruments MSP430F643 Series, Руководство пользователя

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R
O/P(DAC12_x)
Max
0.3
AV
CC
AV – 0.3 V
CC
V
OUT
Min
R
Load
AV
CC
C = 100 pF
Load
2
I
Load
DAC12
O/P(DAC12_x)
MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
SLAS720D – AUGUST 2010 – REVISED DECEMBER 2015 www.ti.com
5.47 12-Bit DAC, Output Specifications
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
No load, VeREF+ = AV
CC
,
DAC12_xDAT = 0h, DAC12IR = 1, 0 0.005
DAC12AMPx = 7
No load, VeREF+ = AV
CC
,
AV
CC
–
DAC12_xDAT = 0FFFh, DAC12IR = 1, AV
CC
0.05
Output voltage
DAC12AMPx = 7
V
O
range
(1)
(see 2.2 V, 3 V V
R
Load
= 3 k Ω , VeREF+ = AV
CC
,
Figure 5-18 )
DAC12_xDAT = 0h, DAC12IR = 1, 0 0.1
DAC12AMPx = 7
R
Load
= 3 k Ω , VeREF+ = AV
CC
,
AV
CC
–
DAC12_xDAT = 0FFFh, DAC12IR = 1, AV
CC
0.13
DAC12AMPx = 7
Maximum DAC12
C
L(DAC12)
2.2 V, 3 V 100 pF
load capacitance
DAC12AMPx = 2, DAC12_xDAT = 0FFFh,
–1
V
O/P(DAC12)
> AV
CC
– 0.3
Maximum DAC12
I
L(DAC12)
2.2 V, 3 V mA
load current
DAC12AMPx = 2, DAC12_xDAT = 0h,
1
V
O/P(DAC12)
< 0.3 V
R
Load
= 3 k Ω , VO/P(DAC12) < 0.3 V,
150 250
DAC12AMPx = 2, DAC12_xDAT = 0h
Output resistance R
Load
= 3 k Ω , V
O/P(DAC12)
> AV
CC
– 0.3 V,
R
O/P(DAC12)
2.2 V, 3 V 150 250
Ω
(see Figure 5-18 ) DAC12_xDAT = 0FFFh
R
Load
= 3 k Ω ,
6
0.3 V
≤
V
O/P(DAC12)
≤
AV
CC
– 0.3 V
(1) Data is valid after the offset calibration of the output amplifier.
Figure 5-18. DAC12_x Output Resistance Tests
48 Specifications
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