Datasheet LT6657 (Analog Devices) - 5

制造商Analog Devices
描述1.5ppm/°C Drift, Low Noise, Buffered Reference
页数 / 页24 / 5 — Typical perForMance characTerisTics The test conditions are TA = …
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Typical perForMance characTerisTics The test conditions are TA = 25°C,VIN = VOUT + 0.5V,

Typical perForMance characTerisTics The test conditions are TA = 25°C,VIN = VOUT + 0.5V,

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LT6657
Typical perForMance characTerisTics The test conditions are TA = 25°C,VIN = VOUT + 0.5V, VSHDN = 1.6V, IOUT = 0, CIN = 0.1µF, COUT = 1µF. For LT6657-1.25 VSHDN = 1.45V, CIN = 1µF, COUT = 2.7µF, unless otherwise noted. 1.25V Output Voltage 1.25V Low Frequency 0.1Hz to 1.25V Output Voltage Noise Temperature Drift 10Hz Noise Spectrum
1.2504 55 THREE TYPICAL PARTS COUT = 2.7µF CER C 1.2502 OUT = 5µF CER 50 COUT = 47µF TANT ) /DIV) Hz 1.2500 /√ 45 TAGE (V) 1.2498 40 TAGE (nV 1.2496 35 OUTPUT VOL OUTPUT NOISE (250nV NOISE VOL 1.2494 30 1.2492 –5 –4 –3 –2 –1 0 1 2 3 4 5 0 –50 –25 0 25 50 75 100 125 150 0.01 0.1 1 10 100 TIME (1s/DIV) TEMPERATURE (°C) 6657 G02 FREQUENCY (kHz) 6657 G01 6657 G03
1.25V Integrated Noise 1.25V Supply Current vs 10Hz to 10kHz Input Voltage 1.25V Line Regulation
100 2.0 1.2504 C V MS8 PACKAGE PART SELF OUT = 2.7µF SHDN = VIN 125°C HEATING IS INCLUDED 25°C ) 1.5 –40°C 1.2502 V RMS 10 1.0 TAGE (V) 1.2500 TED NOISE (µ 0.5 1 INPUT CURRENT (mA) OUTPUT VOL 125°C 1.2498 INTEGRA 0 25°C –40°C –55°C 0 –0.5 1.2496 0.01 0.1 1 10 –40 –30 –20 –10 0 10 20 30 40 0 10 20 30 40 FREQUENCY (kHz) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 6657 G04 6657 G05 6657 G06
1.25V Load Regulation (Sourcing) 1.25V Load Regulation (Sourcing) 1.25V Load Regulation (Sinking)
30 30 60 MS8 PACKAGE PART SELF 125°C MS8 PACKAGE PART SELF 125°C MS8 PACKAGE PART SELF 125°C HEATING IS INCLUDED 25°C HEATING IS INCLUDED 25°C HEATING IS INCLUDED 25°C 20 V) –40°C 20 V) –40°C 50 V) –40°C –55°C –55°C –55°C 10 10 40 0 0 30 TAGE CHANGE (µ TAGE CHANGE (µ TAGE CHANGE (µ –10 –10 20 VIN≥1.50V OUTPUT VOL –20 OUTPUT VOL –20 OUTPUT VOL 10 VIN = 1.50V –30 –30 0 0.1 1 10 0.1 1 10 0.1 1 10 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 6657 G07 6657 G08 6657 G09 6657fd For more information www.linear.com/LT6657 5