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参数资料
| 型号： | MAX532AEWE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC MDAC 12BIT DUAL SER 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 设置时间： | 2.5µs |
| 位数： | 12 |
| 数据接口： | 串行 |
| 转换器数目： | 2 |
| 电压电源： | 双 ± |
| 功率耗散（最大）： | 762mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | * |
| 产品目录页面： | 1394 (CN2011-ZH PDF) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX532AEWE/GH9-T | 制造商:Maxim Integrated Products 功能描述:DUAL, SERIAL INPUT, VOLTAGE-OUTPUT, MULTIPLYING, 12-BIT DAC - Tape and Reel |
| MAX532AEWE+ | 功能描述:数模转换器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX532AEWE+T | 功能描述:数模转换器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX532AEWE-C40276 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX532AEWE-T | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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