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参数资料
| 型号： | LM4050BEX3-5.0+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | IC VREF SHUNT PREC 5V SC-70-3 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 基准类型： | 旁路，精度 |
| 输出电压： | 5V |
| 容差： | ±0.2% |
| 温度系数： | 50ppm/°C |
| 通道数： | 1 |
| 电流 - 阴极： | 80µA |
| 电流 - 输出： | 15mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-70，SOT-323 |
| 供应商设备封装： | SC-70-3 |
| 包装： | 标准包装 |
| 产品目录页面： | 1426 (CN2011-ZH PDF) |
| 其它名称： | LM4050BEX3-5.0+TDKR |
LM4050/LM4051
50ppm/°C Precision Micropower Shunt Voltage
References with Multiple Reverse Breakdown Voltages
ELECTRICAL CHARACTERISTICS—5.000V
(I R = 100μA, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LM4050A (0.1%)
4.9950
5.0000
5.0050
Reverse Breakdown Voltage
V R
T A = +25 ° C
LM4050B (0.2%)
4.9900
5.0000
5.0100
V
LM4050C (0.5%)
4.9750
5.0000
5.0250
Reverse Breakdown Voltage
Tolerance (Note 2)
Minimum Operating Current
V RTOL
I RMIN
LM4050A
LM4050B
LM4050C
± 5.0
± 10
± 25
54
± 30
± 35
± 50
80
mV
μA
Average Reverse Voltage
I R = 10mA
± 30
Temperature Coefficient
? V R / ? T
I R = 1mA
± 20
± 50
ppm/ ° C
(Notes 2, 3)
I R = 100μA
± 15
Reverse Breakdown Voltage
Change with Operating
Current Change
I RMIN ≤ I R ≤ 1mA
1mA ≤ I R ≤ 15mA
0.5
3.5
1.4
12.0
mV
Reverse Dynamic
Impedance (Note 3)
Wideband Noise
Reverse Breakdown Voltage
Long-Term Stability
Z R
e N
? V R
I R = 1mA, f = 120Hz, I AC = 0.1I R
I R = 100μA, 10Hz ≤ f ≤ 10kHz
T = 1000h
0.5
80
120
1.1
?
μV RMS
ppm
Note 1: All devices are 100% production tested at +25°C and are guaranteed by design for T A = T MIN to T MAX , as specified.
Note 2: The limit over the full temperature range for the reverse breakdown voltage tolerance is defined as:
[V RTOL ] ±[( ? V R / ? T) X (max ? T) X (V R )]
where ? V R / ? T is the V R temperature coefficient, max ? T is the difference from the +25°C reference point to T MIN or T MAX ,
and V R is the reverse breakdown voltage.
The total tolerance over the full temperature range for the different grades where max ? T = +100°C is shown below:
? A grade: ±0.6% = ±0.1% ±50ppm/°C 100°C
? B grade: ±0.7% = ±0.2% ±50ppm/°C 100°C
? C grade: ±1.0% = ±0.5% ±50ppm/°C 100°C
Note 3: Guaranteed by design.
Maxim Integrated
7
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