MAX1329BETL+ Maxim Integrated Products, MAX1329BETL+ Datasheet - Page 35
MAX1329BETL+
Manufacturer Part Number
MAX1329BETL+
Description
IC DAS 12BIT 300KSPS 40-TQFN-EP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1329BETL.pdf
(78 pages)
Specifications of MAX1329BETL+
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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The four conversion modes programmed by the
APD<1:0> and AUTO<2:0> bits in the ADC Control
register are: autoconvert, fast power-down, normal, and
burst modes. In normal and fast power-down modes,
single conversions are initiated with the ADC convert
command or by toggling a configured DPIO. In fast
power-down mode, the PGA and ADC power down
between conversions to reduce power. A minimum of
16 clock cycles is required to complete a conversion in
normal or fast power-down mode.
Figure 16. Write to DACA (AB = 0) or DACB (AB = 1) Input Register Followed by a DPIO DACA or DACB Load
Figure 17. Write to Program and Use APIO SPI Mode
SCLK
DPIO
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
DAC
Reference, Voltage Monitors, and Temp Sensor
DIN
CS
DOUT
APIO4
APIO2
APIO1
APIO3
SCLK
X = DON'T CARE.
CS
DIN
X = DON'T CARE.
X
D
N
0
D
N-1
SET BY APIO CONTROL REGISTER
SET BY APIO CONTROL REGISTER
SET BY APIO CONTROL REGISTER
SET BY APIO CONTROL REGISTER
WRITE TO MAX1329/MAX1330 TO
1
______________________________________________________________________________________
D
N-2
ENABLE SPI MODE
0
D
N-3
AB
D
3
D
11
D
2
D
10
D
RISING EDGE TRIGGERED
1
D
9
D
0
D
8
E
E
N
N
PREVIOUS OUTPUT
D
WRITE THROUGH MAX1329/MAX1330 TO
E
7
E
N-1
N-1
D
E
E
6
N-2
N-2
APIO DEVICE
D
E
E
N-3
5
N-3
D
Burst mode is initiated with one ADC convert com-
mand and continuously converts on the same channel
sending the data directly to DOUT as long as there is
activity on SCLK and CS is low. Burst mode aborts
when CS goes high. In burst mode, SCLK directly
clocks the ADC. For best performance, synchronize
SCLK with the CLKIO clock (see Figure 18). A mini-
mum of 14 clock cycles is required to complete a con-
version in burst mode.
X
E
X
E
4
3
3
D
X
E
X
E
3
2
2
D
E
X
X
E
2
1
1
X
X
D
E
E
0
0
1
D
D
7
0
NORMAL WRITE TO MAX1329/MAX1330
D
6
X
D
5
X
INVERTED CS
SET TO GPO
SET TO GPO
SET TO GPI
D
4
X
D
3
X
D
2
NEW OUTPUT
X
D
1
X
D
0
X
X
35
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