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參數(shù)資料
| 型號(hào)： | MAX532AEWE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MDAC 12BIT DUAL SER 16-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 設(shè)置時(shí)間： | 2.5µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 762mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | * |
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MAX532
Dual, Serial-Input,
Voltage-Output, 12-Bit MDAC
______________________________________________________________________________________
13
DACA
AGNDA
VOUTA
MAX532
RFBA
R/2
3
2
VREFA
1
VIN
4
R
2
4096
CODE
VOUT
VIN
=
-4096
CODE
VOUT
Figure 12. Programmable-Gain Amplifer
Programmable-Gain Amplifier (PGA)
The DAC/amplifier combination, along with access to
the feedback resistors, makes the MAX532 ideal as a
programmable-gain amplifier. In this application, the
DAC functions as a programmable resistor in the feed-
back loop. This type of configuration is shown in Figure
12, and is suitable for AC gain control. The DAC code
controls the gain for the PGA. As the code decreases,
the effective DAC resistance increases, and so the gain
also increases. The transfer function is given by:
VOUT/VIN = -REQA/RFBA,
where RFBA is the value of the feedback resistor (R/2),
and REQA is the effective DAC resistance controlled
by the digital input code:
R
4096
REQA = —— (————) ,
2
CODE
where CODE is the DAC code in decimal.
The transfer function is thus:
VOUT
-4096
——— =
———
VIN
CODE
The code may be programmed between 1 and (212 -1).
The zero code is not allowed, as it results in an open-
loop amplifier response.
Power-On Reset
On power-up, the internal DAC latches are set to
00 . . . . .00.
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參數(shù)描述 |
|---|---|
| MAX532AMJE | 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 |
| MAX532AMJE/883B | 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 |
| MAX532AMWE/PR | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX532BC/D | 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 |
| MAX532BCPE | 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 |
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