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参数资料
| 型号： | LM4051AIX3-1.2+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3 |
| 封装： | 1.80 X 1.80 MM, EIAJ, SC-70, 3 PIN |
| 文件页数： | 24/26页 |
| 文件大小： | 454K |
| 代理商： | LM4051AIX3-1.2+T |
LM4050/LM4051
50ppm/°C Precision Micropower Shunt Voltage
References with Multiple Reverse Breakdown Voltages
_______________________________________________________________________________________
7
Note 1: All devices are 100% production tested at +25°C and are guaranteed by design for TA = TMIN to TMAX, as specified.
Note 2: The limit over the full temperature range for the reverse breakdown voltage tolerance is defined as:
[VRTOL] ±[(
VR / T) X (maxT) X (VR)]
where
VR / T is the VR temperature coefficient, maxT is the difference from the +25°C reference point to TMIN or TMAX,
and VR 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.
ELECTRICAL CHARACTERISTICS—5.000V
(IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LM4050A (0.1%)
4.9950
5.0000
5.0050
LM4050B (0.2%)
4.9900
5.0000
5.0100
Reverse Breakdown Voltage
VR
TA = +25
°C
LM4050C (0.5%)
4.9750
5.0000
5.0250
V
LM4050A
±5.0
±30
LM4050B
±10
±35
Reverse Breakdown Voltage
Tolerance (Note 2)
VRTOL
LM4050C
±25
±50
mV
Minimum Operating Current
IRMIN
54
80
A
IR = 10mA
±30
IR = 1mA
±20
±50
Average Reverse Voltage
Temperature Coefficient
(Notes 2, 3)
VR/T
IR = 100A
±15
ppm/
°C
IRMIN
≤ IR ≤ 1mA
0.5
1.4
Reverse Breakdown Voltage
Change with Operating
Current Change
1mA
≤ IR ≤ 15mA
3.5
12.0
mV
Reverse Dynamic
Impedance (Note 3)
ZR
IR = 1mA, f = 120Hz, IAC = 0.1IR
0.5
1.1
Wideband Noise
eN
IR = 100A, 10Hz
≤ f ≤ 10kHz
80
VRMS
Reverse Breakdown Voltage
Long-Term Stability
VR
T = 1000h
120
ppm
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