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参数资料
| 型号： | MAX6126BASA21+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/18页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 2.048V 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 基准类型： | 串联，精度 |
| 输出电压： | 2.048V |
| 容差： | ±0.06% |
| 温度系数： | 10ppm/°C |
| 输入电压： | 2.7 V ~ 12.6 V |
| 通道数： | 1 |
| 电流 - 静态： | 725µA |
| 电流 - 输出： | 10mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1428 (CN2011-ZH PDF) |
MAX6126
Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
racy is needed. The MAX6126 has the same type of
Kelvin connection to cancel drops in the ground return
line. Connect the load to ground and bring a connection
from GNDS to exactly the same point.
Applications Information
Precision Current Source
Figure 2 shows a typical circuit providing a precision
current source. The OUTF output provides the bias cur-
rent for the bipolar transistor. OUTS and GNDS sense
the voltage across the resistor and adjust the current
IN
MAX6126
OUTF
OUTS
I SOURCE
sourced by OUTF accordingly. For even higher preci-
sion, use a MOSFET to eliminate base current errors.
GND
GNDS
R
High-Resolution DAC and Reference from
a Single Supply
Figure 3 shows a typical circuit providing the reference
for a high-resolution, 16-bit MAX541 D/A converter.
Temperature Coefficient vs. Operating
Temperature Range for a 1 LSB Maximum
Error
In a data converter application, the reference voltage of
the converter must stay within a certain limit to keep the
error in the data converter smaller than the resolution
limit through the operating temperature range. Figure 4
shows the maximum allowable reference voltage tem-
perature coefficient to keep the conversion error to less
Figure 2. Precision Current Source
3V SUPPLY
V OUT(NOMINAL) / R = I SOURCE
than 1 LSB, as a function of the operating temperature
range (T MAX - T MIN ) with the converter resolution as a
parameter. The graph assumes the reference voltage
temperature coefficient as the only parameter affecting
IN
MAX6126
V DD
MAX541
accuracy.
In reality, the absolute static accuracy of a data con-
verter is dependent on the combination of many para-
OUTF
OUTS
REF
DAC
OUT
ANALOG
OUTPUT
meters such as integral nonlinearity, differential
nonlinearity, offset error, gain error, as well as voltage
reference changes.
GND
GNDS
GND
Figure 3. 14-Bit High-Resolution DAC and Positive Reference
from a Single 3V Supply
Maxim Integrated
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6126BASA21+ | 功能描述:基准电压& 基准电流 Ultra-High-Precision Ultra-Low-Noise RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MAX6126BASA21+T | 功能描述:基准电压& 基准电流 Ultra-High-Precision Ultra-Low-Noise RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MAX6126BASA21-T | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MAX6126BASA25 | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MAX6126BASA25+ | 功能描述:基准电压& 基准电流 Ultra-High-Precision Ultra-Low-Noise RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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