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參數(shù)資料
| 型號： | MAX525ACPP |
| 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, 12 us SETTLING TIME, 12-BIT DAC, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 141K |
| 代理商： | MAX525ACPP |
M
Using an AC Referenc e
In applications where the reference has AC signal com-
ponents, the MAX525 has multiplying capability within
the reference input range specifications. Figure 12
shows a technique for applying a sine-wave signal to
the reference input where the AC signal is offset before
being applied to REFAB/REFCD. The reference voltage
must never be more negative than DGND.
The MAX525’s total harmonic distortion plus noise (THD
+ N) is typically less than -72dB, given a 1Vp-p signal
swing and input frequencies up to 25kHz. The typical
-3dB frequency is 650kHz, as shown in the Typical
Operating Characteristics graphs.
Digitally Programmable Current S ourc e
The circuit of Figure 13 places an NPN transistor
(2N3904 or similar) within the op-amp feedback loop to
implement a digitally programmable, unidirectional cur-
rent source. This circuit can be used to drive 4mA to
20mA current loops, which are commonly used in
industrial-control applications. The output current is cal-
culated with the following equation:
I
OUT
= (V
REF
/ R) x (NB / 4096)
where NB is the numeric value of the DAC’s binary
input code and R is the sense resistor shown in
Figure 13.
Low-Power, Quad, 12-Bit Voltage-Output DAC
with S erial Interfac e
14
______________________________________________________________________________________
MAX525
DAC A
DAC B
DAC C
DAC D
V
REFAB
= V
REFCD
= 2.5V
OUTA
FBB
10k
10k
10k
10k
10k
10k
10k
10k
OUTB
FBC
OUTC
FBD
OUTD
DGND
AGND
REFAB
REFCD
REFERENCE INPUTS
+5V
V
DD
FBA
Figure 10. Unipolar Rail-to-Rail Output Circuit
DAC
V
OUT
+5V
-5V
R1 = R2 = 10k
± 0.1%
MAX525
REF_
R1
R2
FB_
OUT_
Figure 11. Bipolar Output Circuit
DAC_
OUT_
MAX525
AGND
10k
26k
REF_
V
DD
DGND
+5V
AC
REFERENCE
INPUT
500mVp-p
1/2 MAX492
Figure 12. AC Reference Input Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX525AMJP | 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 |
| MAX525BCAP | 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 |
| MAX525BEPP | 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 |
| MAX525BMJP | 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 |
| MAX525AEAP | Low-Power, Quad, 12-Bit Voltage-Output DAC with Serial Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX525ACPP+ | 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 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間: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 |
| MAX525AEAP | 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 |
| MAX525AEAP/GH9 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Low-Power Quad 12-Bit Voltage-Output DAC with Serial Interface 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 |
| MAX525AEAP/GH9-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Low-Power Quad 12-Bit Voltage-Output DAC with Serial Interface 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 |
| MAX525AEAP+ | 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 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間: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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