參數(shù)資料
型號(hào)： MAX5251BCAP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： +3V, Quad, 10-Bit Voltage-Output DAC with Serial Interface
中文描述： QUAD, SERIAL INPUT LOADING, 12 us SETTLING TIME, 10-BIT DAC, PDSO20
封裝： SSOP-20
文件頁(yè)數(shù)： 13/16頁(yè)
文件大?。?/td> 146K
代理商： MAX5251BCAP
M
+3V, Quad, 10-Bit Voltage-Output DAC
with S erial Interfac e
______________________________________________________________________________________
13
__________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
MAX5251 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 MAX5251 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 MAX5251 outputs can be configured for bipolar
operation using Figure 11’s circuit:
V
OUT
= V
REF
[(2NB / 1024) - 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.
Table 3. Bipolar Code Table
DAC CONTENTS
MSB
ANALOG OUTPUT
LSB
1024
1111
1111
11(00)
+V
REF
(
1023
)
1024
1000
0000
01(00)
+V
REF
(
513
)
1024
REF
2
1000
0000
00(00)
+V
REF
(
512
)
= +V
1024
0111
1111
11(00)
+V
REF
(
511
)
0000
0000
01(00)
+V
REF
(
—1
)
1024
0000
0000
00(00)
0V
DAC CONTENTS
MSB
ANALOG OUTPUT
LSB
1111
1111
11(00)
+V
REF
(
512
)
1000
0000
01(00)
+V
REF
(
512
)
1000
0000
00(00)
0V
0111
1111
11(00)
-V
REF
(
512
)
0000
0000
01(00)
-V
REF
(
512
)
512
0000
0000
00(00)
-V
REF
(
512
)
= -V
REF
MAX5251
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
( ) Sub-bits
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參數(shù)描述
MAX5251BCAP+ 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5251BCAP+T 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5251BCAP-T 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5251BCPP 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5251BCPP+ 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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