參數(shù)資料
型號： MAX5253BMJP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
中文描述： SERIAL INPUT LOADING, 16 us SETTLING TIME, 12-BIT DAC, CDIP20
封裝： CERDIP-20
文件頁數(shù)： 13/16頁
文件大小： 135K
代理商： MAX5253BMJP
__________Applic ations Information
Unipolar Output
For a unipolar output, the output voltages and the refer-
ence inputs have the same polarity. Figure 9 shows the
MAX5253 unipolar output circuit, which is also the typi-
cal operating circuit. Table 2 lists the unipolar output
codes.
For rail-to-rail outputs, see Figure 10. This circuit shows
the MAX5253 with the output amplifiers configured with
a closed-loop gain of +2.6 to provide 0V to 3.25V full-
scale range when a 1.25V reference is used.
Table 2. Unipolar Code Table
Bipolar Output
The MAX5253 outputs can be configured for bipolar
operation using Figure 11’s circuit.
V
OUT
= V
REF
[(2NB / 4096) - 1]
where NB is the numeric value of the DAC’s binary
input code. Table 3 shows digital codes (offset binary)
and corresponding output voltages for Figure 11’s
circuit.
M
+3V, Quad, 12-Bit Voltage-Output DAC
with S erial Interfac e
______________________________________________________________________________________
13
Table 3. Bipolar Code Table
DAC CONTENTS
MSB
ANALOG OUTPUT
LSB
1111
1111
1111
+V
REF
(
4096
)
1000
0000
0001
+V
REF
(
4096
)
4096
REF
2
1000
0000
0000
+V
REF
(
2048
)
= +V
0111
1111
1111
+V
REF
(
4096
)
0000
0000
0001
+V
REF
(
4096
)
0000
0000
0000
0V
DAC CONTENTS
MSB
ANALOG OUTPUT
LSB
1111
1111
1111
+V
REF
(
2048
)
1000
0000
0001
+V
REF
(
2048
)
1000
0000
0000
0V
0111
1111
1111
-V
REF
(
2048
)
0000
0000
0001
-V
REF
(
2048
)
0000
0000
0000
-V
REF
(
2048
)
= -V
REF
MAX5253
DAC A
DAC B
DAC C
DAC D
OUTA
FBA
FBB
FBC
FBD
OUTB
OUTC
OUTD
DGND
AGND
REFAB
REFCD
REFERENCE INPUTS
+3.3V
V
DD
Figure 9. Unipolar Output Circuit
相關(guān)PDF資料
PDF描述
MAX5253BCPP +3V, Quad, 12-Bit Voltage-Output DAC with Serial Interface
MAX5253AEAP RECTIFIER FAST-RECOVERY SINGLE 3A 100V 150A-ifsm 1.2V-vf 150ns 5uA-ir DO-201AD 1.2K/REEL-13
MAX525 Low-Power, Quad, 12-Bit Voltage-Output DAC with Serial Interface
MAX525ACAP Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
MAX525ACPP Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
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