LM4050AEX3-2.5/V+T Maxim Integrated, LM4050AEX3-2.5/V+T Datasheet

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LM4050AEX3-2.5/V+T

Manufacturer Part Number
LM4050AEX3-2.5/V+T
Description
Voltage & Current References 50ppm/C Prec uPower Shunt Voltage Ref
Manufacturer
Maxim Integrated
Datasheet

Specifications of LM4050AEX3-2.5/V+T

Rohs
yes
The LM4050/LM4051 are precision two-terminal, shunt-
mode, bandgap voltage references available in fixed
reverse breakdown voltages of 1.225V, 2.048V, 2.500V,
3.000V, 3.3V, 4.096V, and 5.000V. Ideal for space-criti-
cal applications, the LM4050/LM4051 are offered in the
subminiature 3-pin SC70 surface-mount packages
(1.8mm x 1.8mm), 50% smaller than comparable
devices in SOT23 surface-mount package (SOT23 ver-
sions are also available).
Laser-trimmed resistors ensure excellent initial
accuracy. With a 50ppm/°C temperature coefficient,
these devices are offered in three grades of initial accu-
racy ranging from 0.1% to 0.5%. The LM4050/LM4051
have a 60µA to 15mA shunt-current capability with low
dynamic impedance, ensuring stable reverse break-
down voltage accuracy over a wide range of operating
temperatures and currents. The LM4050/LM4051 do
not require an external stabilizing capacitor while
ensuring stability with any capacitive loads.
The LM4050/LM4051 specifications are guaranteed
over the temperature range of -40°C to +125°C.
________________________Applications
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
References with Multiple Reverse Breakdown Voltages
Portable, Battery-Powered Equipment
Notebook Computers
Cell Phones
Industrial Process Controls
Typical Operating Circuit
I
SHUNT
50ppm/°C Precision Micropower Shunt Voltage
R
S
V
S
General Description
I
SHUNT
LM4050
I
LOAD
+ I
LOAD
V
R
o 50ppm/°C (max) Temperature Coefficient
o Ultra-Small 3-Pin SC70 Package
o 0.1% (max) Initial Accuracy
o Wide Operating Current Range: 60µA to 15mA
o Low 28µV
o 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and
o No Output Capacitors Required
o Tolerates Capacitive Loads
Ordering Information appears at end of data sheet.
Guaranteed over the -40°C to +125°C
Temperature Range
5.000V Fixed Reverse Breakdown Voltages
TOP VIEW
*PIN 3 MUST BE LEFT UNCONNECTED OR CONNECTED TO PIN 2.
RMS
LM4050/LM4051
Output Noise (10Hz to 10kHz)
+
-
1
2
SC70/SOT23
+
LM4050/
LM4051
Pin Configuration
3 N.C.*
19-2563; Rev 7; 1/13
Features

Related parts for LM4050AEX3-2.5/V+T

LM4050AEX3-2.5/V+T Summary of contents

Page 1

Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages General Description The LM4050/LM4051 are precision two-terminal, shunt- mode, bandgap voltage references available in fixed reverse breakdown voltages of 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. Ideal for ...

Page 2

... N R ∆ 1000h R = +25°C.) (Note 1) A MIN TYP MAX 1.2238 1.2250 1.2262 1.2226 1.2250 1.2275 1.2189 1.2250 1.2311 ±1.2 ±2.4 ±6.0 45 ±20 ±15 ±15 0.7 2.5 0 120 UNITS V ±7 ±9 mV ±12 60 µA ±50 ppm/°C 1.5 mV 8.0 Ω 1.5 µV RMS ppm Maxim Integrated ...

Page 3

... Minimum Operating Current Average Reverse Voltage ∆V Temperature Coefficient (Notes 2, 3) Reverse Breakdown Voltage Change with Operating Current Change Reverse Dynamic Impedance (Note 3) Wideband Noise Reverse Breakdown Voltage Long-Term Stability Maxim Integrated CONDITIONS LM4050A (0.1 +25°C LM4050B (0.2 LM4050C (0.5%) LM4050A V LM4050B ...

Page 4

... ∆ 1000h R = +25°C.) (Note 1) A MIN TYP MAX 2.4975 2.5000 2.5025 2.4950 2.5000 2.5050 2.4875 2.5000 2.5125 ±2.5 ±5.0 ±13 45 ±20 ±15 ±15 0.3 2.5 0.3 0.3 35 120 UNITS V ±15 ±18 mV ±25 65 µA ±50 ppm/°C 1.0 mV 8.0 0.8 Ω 0.9 µV RMS ppm Maxim Integrated ...

Page 5

... Tolerance (Note 2) Minimum Operating Current Average Reverse Voltage Temperature Coefficient (Notes 2, 3) Reverse Breakdown Voltage Change with Operating Current Change Reverse Dynamic Impedance (Note 3) Wideband Noise Reverse Breakdown Voltage Long-Term Stability Maxim Integrated CONDITIONS LM4050A (0.1 +25°C LM4050B (0.2 LM4050C (0.5%) LM4050A V LM4050B ...

Page 6

... N R ∆ 1000h R = +25°C.) (Note 1) A MIN TYP MAX 4.0919 4.0960 4.1001 4.0878 4.0960 4.1042 4.0755 4.0960 4.1165 ±4.1 ±8.2 ±20 50 ±30 ±20 ±15 0.5 3.0 0 120 UNITS V ±25 ±29 mV ±41 73 µA ±50 ppm/°C 1.2 mV 10.0 Ω 1.0 µV RMS ppm Maxim Integrated ...

Page 7

... 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 • B grade: ±0.7% = ±0.2% ±50ppm/°C • C grade: ±1.0% = ±0.5% ±50ppm/°C Note 3: Guaranteed by design. Maxim Integrated CONDITIONS LM4050A (0.1 +25° ...

Page 8

... TEMPERATURE (°C) LM4050-5.0V REVERSE VOLTAGE vs. I SHUNT -40° +125° +85° +25° (mA) SHUNT 60 85 110 135 20 Maxim Integrated ...

Page 9

... SHUNT L LM4050-5.0V LOAD-TRANSIENT RESPONSE LM4050 toc09 10µs/div = 1mA ± 250µA I SHUNT R = 10kΩ, SEE FIGURE 1. L Maxim Integrated Typical Operating Characteristics (continued) LM4050-5.0V LOAD-TRANSIENT RESPONSE +25µA -25µA 2mV/div 40µs/div = 100µA ± 25µA I SHUNT R = 100kΩ, SEE FIGURE 1. ...

Page 10

... Figure 2. Startup Characteristics Test Circuit LM4050-2.5V OUTPUT IMPEDANCE vs. FREQUENCY LM4050 toc13 1000 C = 1µF 1 100 I = 150µ 1mA R 0.1 0.1k 1k 10k FREQUENCY (Hz) LM4050-5.0V NOISE vs. FREQUENCY 10,000 1000 100 10k 1 10 100 FREQUENCY (Hz 100k 1M 1k 10k Maxim Integrated ...

Page 11

... SHUNT S(MAX) Output Capacitance The LM4050/LM4051 do not require external capacitors for frequency stability and are stable for any output capacitance. Maxim Integrated FUNCTION Figure 3. Typical Operating Circuit ) by sinking SHUNT The LM4050/LM4051 typically exhibit output voltage temperature coefficients within ±15ppm/°C. The polari- ...

Page 12

... PART LM4050AEM3-2.1+T 2.048 LM4050AEX3-2.1+T 2.048 LM4050BEM3-2.1+T 2.048 LM4050BEX3-2.1+T 2.048 LM4050CEM3-2.1+T 2.048 LM4050CEX3-2.1+T 2.048 LM4050AEM3-2.5+T 2.500 LM4050AEX3-2.5+T 2.500 LM4050AEX3-2.5/V+T 2.500 LM4050BEM3-2.5+T 2.500 LM4050BEX3-2.5+T 2.500 LM4050CEM3-2.5+T 2.500 LM4050CEX3-2.5+T 2.500 LM4050AEM3-3.0+T 3.000 LM4050AEX3-3.0+T 3.000 LM4050BEM3-3.0+T 3.000 LM4050BEM3-3.0/V+T 3.000 LM4050BEX3-3.0+T 3 ...

Page 13

... LM4051AEM3-1.2+T 1.225 LM4051AEX3-1.2+T 1.225 1.225 LM4051BEM3-1.2+T 1.225 LM4051BEX3-1.2+T 1.225 LM4051CEM3-1.2+T 1.225 LM4051CEX3-1.2+T Chip Information PROCESS: BiCMOS Maxim Integrated Ordering Information (continued TEMPCO (ppm/_ C) 0.1 50 -40°C to +125°C 0.1 50 -40°C to +125°C 0.2 50 -40°C to +125°C ...

Page 14

... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed ...

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