參數(shù)資料
型號: MSP430F5632IPZ
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP100
封裝: GREEN, PLASTIC, LQFP-100
文件頁數(shù): 61/101頁
文件大小: 1073K
代理商: MSP430F5632IPZ
PRODUCTPREVIEW
V
R+
Gain Error
Offset Error
DAC Code
DAC V
OUT
Ideal transfer
function
R
=
Load
AV
CC
C
= 100 pF
Load
2
DAC Output
Positive
Negative
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)
MSP430F563x
SLAS650A – JUNE 2010 – REVISED JULY 2010
www.ti.com
Figure 9. Linearity Test Load Conditions and Gain/Offset Definition
12-Bit DAC, Output Specifications
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
No load, VeREF+ = AVCC,
DAC12_xDAT = 0h, DAC12IR = 1,
0
0.005
DAC12AMPx = 7
No load, VeREF+ = AVCC,
AVCC
DAC12_xDAT = 0FFFh, DAC12IR =
AVCC
– 0.05
1, DAC12AMPx = 7
Output voltage range(1) (see
VO
2.2 V/3 V
V
RLoad = 3 k, VeREF+ = AVCC,
DAC12_xDAT = 0h, DAC12IR = 1,
0
0.1
DAC12AMPx = 7
RLoad = 3 k, VeREF+ = AVCC,
AVCC
DAC12_xDAT = 0FFFh, DAC12IR =
AVCC
– 0.13
1, DAC12AMPx = 7
Maximum DAC12 load
CL(DAC12)
2.2 V/3 V
100
pF
capacitance
DAC12AMPx = 2, DAC12xDAT =
0FFFh,
–1
VO/P(DAC12) > AVCC – 0.3
IL(DAC12)
Maximum DAC12 load current
2.2 V/3 V
mA
DAC12AMPx = 2, DAC12xDAT = 0h,
1
VO/P(DAC12) < 0.3 V
RLoad = 3 k, VO/P(DAC12) < 0.3 V,
150
250
DAC12AMPx = 2, DAC12_xDAT = 0h
RLoad = 3 k, VO/P(DAC12) >
RO/P(DAC12)
Output resistance (see Figure 10)
AVCC – 0.3 V,
2.2 V/3 V
150
250
DAC12_xDAT = 0FFFh
RLoad = 3 k,
6
0.3 V
≤ VO/P(DAC12) ≤ AVCC – 0.3 V
(1)
Data is valid after the offset calibration of the output amplifier.
Figure 10. DAC12_x Output Resistance Tests
62
Copyright 2010, Texas Instruments Incorporated
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