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參數(shù)資料
| 型號(hào)： | MAX5742 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual Very-High Speed, High-Current Peripheral Drivers 8-CDIP -55 to 125 |
| 中文描述： | 12位、低功耗、四路、電壓輸出DAC，串行接口 |
| 文件頁(yè)數(shù)： | 11/15頁(yè) |
| 文件大?。?/td> | 676K |
| 代理商： | MAX5742 |
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M
12-Bit, Low-Power, Quad, Voltage-Output
DAC with Serial Interface
______________________________________________________________________________________
11
Applications Information
Unipolar Output
The typical application circuit (Figure 3) shows the
MAX5742 configured for a unipolar output, where the
output voltages and the reference inputs have the
same polarity. Table 3 lists the unipolar output codes.
Bipolar Output
The MAX5742 can be configured for bipolar operation
using a dual supply op amp (Figure 4). The transfer
function for bipolar operation is:
where NB is the decimal value of the DACs binary input
code. Table 4 shows digital codes (offset binary) and
corresponding output voltages for the circuit in Figure 4.
Power Supply and Layout Considerations
Careful PC board layout is important for optimal system
performance. To reduce noise injection and digital feed-
through, keep analog and digital signals separate.
Ensure that that the return path from GND to the supply
ground is short and low impedance. Use a ground
plane. Bypass V
DD
to GND with a 0.1μF capacitor as
close as possible to V
DD
.
V
V
2NB
4096
OUT
REF
=
1
CONTENTS OF SHIFT REGISTER
D15 (MSB)
C3
C2
D0 (LSB)
D1
C1
C0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D0
Figure 1. 16-Bit Input Word
SCLK
X
1
2
3
t
CL
t
OS
t
CSPWH
t
CSS
t
CSH
t
OH
t
CH
4
5
6
16
X
X
C3
C2
C1
C0
D11
D10
D0
D1
X
DIN
CS
Figure 2. Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5742AUB | 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(lèi)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 |
| MAX5742AUB+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-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(lèi)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 |
| MAX5742AUB+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-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(lèi)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 |
| MAX5742AUB-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(lèi)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 |
| MAX5742EUB | 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(lèi)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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