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參數(shù)資料
| 型號： | MAX525BEPP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT QUAD LP 20-DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 18 |
| 設(shè)置時間： | 12µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 20-PDIP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | * |
MAX525
Using an AC Reference
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 Source
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:
IOUT = (VREF / 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 Serial Interface
14
______________________________________________________________________________________
MAX525
DAC A
DAC B
DAC C
DAC D
V= VREFCD = 2.5V
OUTA
10k
10k
10k
10k
10k
10k
10k
10k
OUTB
OUTC
OUTD
DGND
AGND
REFAB
REFCD
REFERENCE INPUTS
+5V
VDD
FBA
FBB
FBC
FBD
Figure 10. Unipolar Rail-to-Rail Output Circuit
DAC
VOUT
+5V
-5V
R1 = R2 = 10k
± 0.1%
MAX525
REF_
R1
R2
FB_
OUT_
Figure 11. Bipolar Output Circuit
DAC_
OUT_
MAX525
10k
26k
REF_
VDD
AGND
DGND
+5V
AC
REFERENCE
INPUT
500mVP-P
1/2 MAX492
Figure 12. AC Reference Input Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX525BEPP+ | 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 |
| MAX525BMJP | 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 |
| MAX5260ACMH | 制造商:Maxim Integrated Products 功能描述: |
| MAX5264ACMH | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Octal 14-Bit DAC w/ Parallel 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 |
| MAX5264ACMH-T | 制造商:Maxim Integrated Products 功能描述:OCTAL, 14-BIT VOLTAGE-OUTPUT DAC WITH PARALLE - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DAC 14BIT PAR 44MQFP 制造商:Maxim Integrated Products 功能描述:Octal 14-Bit DAC w/ Parallel Interface |
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