MSP430F6459-HIREL Datasheet, PDF (47/125 Pages) Texas Instruments – Mixed-Signal Microcontroller

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MSP430F6459-HIREL
SLASEC3A – AUGUST 2016 – REVISED AUGUST 2016
Conversion 1
V
OUT
Conversion 2
90%
Conversion 3
90%
10%
10%
t
SRLH
t
SRHL
Figure 5-20. Slew Rate Testing
Table 5-37. 12-Bit DAC, Dynamic Specifications (Continued)
over recommended ranges of supply voltage and operating junction temperature (unless otherwise noted)
BW_–3dB
PARAMETER
3-dB bandwidth,
V_DC = 1.5 V,
V_AC = 0.1 V_PP (see
Figure 5-21)
Channel-to-channel
crosstalk⁽¹⁾ (see Figure 5-
22)
TEST CONDITIONS
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
T_J = 25°C
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
T_J = 25°C
DAC12AMPx = 7, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
T_J = 25°C
DAC12_0DAT = 800h, No load,
DAC12_1DAT = 80h ↔ F7Fh, R_Load = 3 kΩ,
f_{DAC12_1OUT} = 10 kHz at 50/50 duty cycle,
T_J = 25°C
DAC12_0DAT = 80h ↔ F7Fh, R_Load = 3 kΩ,
DAC12_1DAT = 800h, No load,
f_{DAC12_0OUT} = 10 kHz at 50/50 duty cycle,
T_J = 25°C
V_CC
MIN TYP
40
2.2 V, 3 V 180
550
–80
2.2 V, 3 V
–80
(1) R_Load = 3 kΩ, C_Load = 100 pF
MAX
UNIT
kHz
dB
Ve_REF+
AC
DC
DAC12_x
R_Load = 3 kW
I_Load
DACx
C_Load = 100 pF
AV_CC
2
V_REF+
Figure 5-21. Test Conditions for 3-dB Bandwidth Specification
DAC12_0
DAC12_1
I_Load
R_Load
DAC0
C_Load = 100 pF
I_Load
R_Load
DAC1
C_Load = 100 pF
AV_CC
2
AV_CC
2
DAC12_xDAT 080h
V_OUT
V_{DAC12_yOUT}
V_{DAC12_xOUT}
F7Fh
080h
1/f_Toggle
Figure 5-22. Crosstalk Test Conditions
F7Fh 080h
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Specifications
47