MSP430F663x
SLAS566C –JUNE 2010–REVISED AUGUST 2012
www.ti.com
Conversion 1
Conversion 2
Conversion 3
VOUT
90%
90%
10%
10%
tSRLH
tSRHL
Figure 20. Slew Rate Testing
12-Bit DAC, Dynamic Specifications (Continued)
over recommended ranges of supply voltage and TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX UNIT
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
40
3-dB bandwidth,
VDC = 1.5 V,
VAC = 0.1 VPP
(see Figure 21)
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
BW–3dB
2.2 V, 3 V
180
550
kHz
DAC12AMPx = 7, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
DAC12_0DAT = 800h, No load,
DAC12_1DAT = 80h ↔ F7Fh, RLoad = 3 kΩ,
fDAC12_0OUT = 10 kHz at 50/50 duty cycle
–80
–80
Channel-to-channel
crosstalk(1) (see
Figure 22)
2.2 V, 3 V
dB
DAC12_0DAT = 80h ↔ F7Fh, RLoad = 3 kΩ,
DAC12_1DAT = 800h, No load,
fDAC12_0OUT = 10 kHz at 50/50 duty cycle
(1) RLoad = 3 kΩ, CLoad = 100 pF
RLoad = 3 kW
ILoad
VeREF+
AVCC
2
DAC12_x
DACx
AC
DC
CLoad = 100 pF
Figure 21. Test Conditions for 3-dB Bandwidth Specification
RLoad
ILoad
AVCC
DAC12_xDAT
VOUT
080h
7F7h
080h
7F7h
080h
DAC12_0
DAC12_1
2
DAC0
CLoad = 100 pF
RLoad
VREF+
VDAC12_yOUT
ILoad
VDAC12_xOUT
AVCC
2
fToggle
DAC1
CLoad = 100 pF
Figure 22. Crosstalk Test Conditions
78
Copyright © 2010–2012, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
