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参数资料
| 型号： | MAX6029EUK21+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/16页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC SOT-23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 基准类型： | 串联，精度 |
| 输出电压： | 2.048V |
| 容差： | ±0.15% |
| 温度系数： | 30ppm/°C |
| 输入电压： | 2.5 V ~ 12.6 V |
| 通道数： | 1 |
| 电流 - 静态： | 5.25µA |
| 电流 - 输出： | 4mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1427 (CN2011-ZH PDF) |
| 其它名称： | MAX6029EUK21+TDKR |
Ultra-Low-Power Precision Series
Voltage Reference
Pin Description
1.5μA/V (max) variation with supply voltage. The
MAX6029 family draws load current from the input volt-
SOT23
1
2
PIN
SO
2
4
NAME
IN
GND
FUNCTION
Positive Voltage Supply
Ground
age source only when required, so supply current is not
wasted and efficiency is maximized at all input volt-
ages. This improved efficiency reduces power dissipa-
tion and extends battery life.
3, 4
5
1, 3, 5, 7,
8
6
N.C.
OUT
No Connection. Leave
unconnected or connect to
ground.
Reference Output
Output Thermal Hysteresis
Output thermal hysteresis is the change of the output
voltage at T A = +25°C before and after the device is
cycled over its entire operating temperature range.
Hysteresis is caused by differential package stress
Applications Information
Input Bypassing
The MAX6029 does not require an input bypass capac-
itor. For improved transient performance, bypass the
input to ground with a 0.1μF ceramic capacitor. Place
the capacitor as close to IN as possible.
Load Capacitance
The MAX6029 does not require an output capacitor for
stability. The MAX6029 is stable driving capacitive
loads from 0 to 100pF and 0.1μF to 10μF when sourc-
ing current and from 0 to 0.4μF when sinking current. In
applications where the load or the supply can experi-
ence step changes, an output capacitor reduces the
amount of overshoot (undershoot) and improves the cir-
cuit ’s transient response. Many applications do not
require an external capacitor, and the MAX6029 offers
a significant advantage in applications where board
space is critical.
Supply Current
The quiescent supply current of the series-mode
MAX6029 is very small, 5.25μA (max), and is very sta-
ble against changes in the supply voltage with only
10,000
1000
100
appearing across the device.
Temperature Coefficient vs. Operating
Temperature Range for a 1LSB
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 1
shows the maximum allowable reference voltage temper-
ature coefficient to keep the conversion error to less than
1 LSB, as a function of the operating temperature range
(T MAX - T MIN ) with the converter resolution as a parame-
ter. The graph assumes the reference-voltage tempera-
ture coefficient as the only parameter affecting accuracy.
In reality, the absolute static accuracy of a data convert-
er is dependent on the combination of many parameters
such as integral nonlinearity, differential nonlinearity, off-
set error, gain error, as well as voltage reference
changes.
Turn-On Time
These devices turn on and settle to within 0.1% of their
final value in less than 1ms. The turn-on time increases
when heavily loaded and operating close to dropout.
TEMPERATURE
COEFFICIENT
(ppm/ ° C)
10
1
0.1
0.01
8-BIT
10-BIT
12-BIT
14-BIT
16-BIT
18-BIT
20-BIT
1
10
100
OPERATING TEMPERATURE RANGE (T MAX - T MIN ) ( ° C)
Figure 1. Temperature Coefficient vs. Operating Temperature Range for a 1 LSB Maximum Error
______________________________________________________________________________________
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6029EUK25 | 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER PRECISION SERIES VO - Cut Tape Product |
| MAX6029EUK25/GH9-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 |
| MAX6029EUK25+ | 制造商:Maxim Integrated Products 功能描述:V-REF PRECISION 2.5V 4MA 5PIN SOT-23 - Rail/Tube |
| MAX6029EUK25+T | 功能描述:基准电压& 基准电流 Ultra-Low-Power Voltage Ref 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 |
| MAX6029EUK25-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 |
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