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Click MAX6126 Ultra-Hih-Precision Ultra-Lo-Noise Series ...

MAX6126 ultra -High-Precision, ultra -Low-Noise, Series Voltage Reference General Description Benefits and Features The MAX6126 is an ultra -low-noise, high-precision, low- ultra -Low VP-P Noise ( to 10Hz, dropout voltage reference. This family of voltage references Output). feature curvature-correction circuitry and high-stability, ultra -Low 3ppm/ C (max) Temperature Coefficient laser-trimmed, thin-film resistors that result in 3ppm/ C. (max) temperature coefficients and an excellent (max) Initial Accuracy (max) initial accuracy. The proprietary low-noise reference wide (VOUT + 200mV) to Supply Voltage architecture produces a low flicker noise of VP-P and Range wideband noise as low as 60nV/ Hz ( output) without Low 200mV (max) Dropout Voltage the increased supply current usually found in low-noise 380 A Quiescent Supply Current references.

Ultra-Low 1.3μVP-P Noise (0.1Hz to 10Hz, 2.048V Output) Ultra-Low 3ppm/°C (max) Temperature Coefficient ±0.02% (max) Initial Accuracy Wide (VOUT + 200mV) to 12.6V Supply Voltage Range Low 200mV (max) Dropout Voltage 380μA Quiescent Supply Current 10mA Sink/Source-Current Capability

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Transcription of Click MAX6126 Ultra-Hih-Precision Ultra-Lo-Noise Series ...

1 MAX6126 ultra -High-Precision, ultra -Low-Noise, Series Voltage Reference General Description Benefits and Features The MAX6126 is an ultra -low-noise, high-precision, low- ultra -Low VP-P Noise ( to 10Hz, dropout voltage reference. This family of voltage references Output). feature curvature-correction circuitry and high-stability, ultra -Low 3ppm/ C (max) Temperature Coefficient laser-trimmed, thin-film resistors that result in 3ppm/ C. (max) temperature coefficients and an excellent (max) Initial Accuracy (max) initial accuracy. The proprietary low-noise reference wide (VOUT + 200mV) to Supply Voltage architecture produces a low flicker noise of VP-P and Range wideband noise as low as 60nV/ Hz ( output) without Low 200mV (max) Dropout Voltage the increased supply current usually found in low-noise 380 A Quiescent Supply Current references.

2 Improve wideband noise to 35nV/ Hz and AC. power-supply rejection by adding a F capacitor at the 10mA Sink/Source-Current Capability noise reduction pin. The MAX6126 Series mode reference Stable with CLOAD = F to 10 F. operates from a wide to supply voltage range Low 20ppm/1000hr Long-Term Stability and load-regulation specifications are guaranteed to be less than for sink and source currents up to 10mA. (max) Load Regulation These devices are available over the automotive temperature 20 V/V (max) Line Regulation range of -40 C to +125 C. Force and Sense Outputs for Remote Sensing The MAX6126 typically draws 380 A of supply current and is available in , , , , , , , and output voltages. The Pin Configuration MAX6126 also feature dropout voltages as low as 200mV.

3 Unlike conventional shunt-mode (two-terminal) references TOP VIEW. that waste supply current and require an external resistor, the MAX6126 offers supply current that is virtually independent NR 1 8 *. of supply voltage and does not require an external resistor. The MAX6126 is stable with F to 10 F of load capacitance. IN 2 7 OUTF. MAX6126 . The MAX6126 is available in the tiny 8-pin MAX , as well GND 3 6 OUTS. as 8-pin SO packages. GNDS 4 5 *. Applications High-Resolution A/D and D/A Converters SO/ MAX. ATE Equipment * = INTERNALLY CONNECTED. DO NOT USE. High-Accuracy Reference Standard Precision Current Sources Digital Voltmeters Ordering Information continued at end of data sheet. High-Accuracy Industrial and Process Control MAX is a registered trademark of Maxim Integrated Products, Inc.

4 Ordering Information OUTPUT MAXIMUM TEMPCO. PIN- MAXIMUM INITIAL. PART TEMP RANGE VOLTAGE (-40 C to +85 C). PACKAGE ACCURACY (%). (V) (ppm/ C). MAX6126 AASA21+ -40 C to +125 C 8 SO 3. MAX6126 BASA21+ -40 C to +125 C 8 SO 5. MAX6126A21+ -40 C to +125 C 8 MAX 3. +Denotes a lead(Pb)-free/RoHS-compliant package. 19-2647; Rev 8; 6/16. MAX6126 ultra -High-Precision, ultra -Low-Noise, Series Voltage Reference Absolute Maximum Ratings (All voltages referenced to GND) Operating Temperature -40 C to +125 C. to + Junction +150 C. IN .. to +13V Storage Temperature -65 C to +150 C. OUTF, OUTS, to the lesser of (VIN + ) or +6V Lead Temperature (soldering, 10s).. +300 C. Output Short Circuit to GND or 60s Soldering Temperature (reflow).. +260 C. Continuous Power Dissipation (TA = +70 C).

5 8-Pin MAX (derate C above +70 C)..362mW. 8-Pin SO (derate C above +70 C)..471mW. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics MAX6126_21 (VOUT = ). (VIN = 5V, CLOAD = F, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 C.). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS. OUTPUT. Output Voltage VOUT TA = +25 C V. A grade SO + Referred to B grade SO + Output Voltage Accuracy VOUT, %.

6 TA = +25 C A grade MAX + B grade MAX + A grade SO 3. TA = -40 C B grade SO 1 5. to +85 C A grade MAX 1 3. Output Voltage Temperature B grade MAX 2 7. TCVOUT ppm/ C. Coefficient (Note 1) A grade SO 1 5. TA = -40 C B grade SO 2 10. to +125 C A grade MAX 2 5. B grade MAX 3 12. DVOUT/ VIN TA = +25 C 2 20. Line Regulation V/V. DVIN TA = -40 C to +125 C 40. DVOUT/ Sourcing: 0 IOUT 10mA 25. Load Regulation V/mA. DIOUT Sinking: -10mA IOUT 0 25. Short to GND 160. OUT Short-Circuit Current ISC mA. Short to IN 20. DVOUT/ SO 25. Thermal Hysteresis (Note 2) ppm cycle MAX 80. DVOUT/ SO 20 ppm/. Long-Term Stability 1000hr at TA = +25 C. time MAX 100 1000hr Maxim Integrated 2. MAX6126 ultra -High-Precision, ultra -Low-Noise, Series Voltage Reference Electrical Characteristics MAX6126_21 (VOUT = ) (continued).

7 (VIN = 5V, CLOAD = F, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 C.). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS. DYNAMIC CHARACTERISTICS. f = to 10Hz VP-P. Noise Voltage eOUT f = 1kHz, CNR = 0 60. nV/ Hz f = 1kHz, CNR = F 35. To VOUT = of CNR = 0 Turn-On Settling Time tR ms final value CNR = F 20. Capacitive-Load Stability Range CLOAD No sustained oscillations to 10 F. INPUT. Supply Voltage Range VIN Guaranteed by line-regulation test V. TA = +25 C 380 550. Quiescent Supply Current IIN A. TA = -40 C to +125 C 725. Electrical Characteristics MAX6126_25 (VOUT = ). (VIN = 5V, CLOAD = F, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 C.). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS.

8 OUTPUT. Output Voltage VOUT TA = +25 C V. A grade SO + Referred to VOUT, B grade SO + Output Voltage Accuracy %. TA = +25 C A grade MAX + B grade MAX + A grade SO 3. TA = -40 C to B grade SO 1 5. +85 C A grade MAX 1 3. Output Voltage Temperature B grade MAX 2 7. TCVOUT ppm/ C. Coefficient (Note 1) A grade SO 1 5. TA = -40 C to B grade SO 2 10. +125 C A grade MAX 2 5. B grade MAX 3 12. DVOUT/ TA = +25 C 3 20. Line Regulation VIN V/V. DVIN TA = -40 C to +125 C 40. DVOUT/ Sourcing: 0 IOUT 10mA 1 25. Load Regulation V/mA. DIOUT Sinking: -10mA IOUT 0 25. Maxim Integrated 3. MAX6126 ultra -High-Precision, ultra -Low-Noise, Series Voltage Reference Electrical Characteristics MAX6126_25 (VOUT = ) (continued). (VIN = 5V, CLOAD = F, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted.)

9 Typical values are at TA = +25 C.). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS. IOUT = 5mA Dropout Voltage (Note 3) VIN - VOUT DVOUT = V. IOUT = 10mA Short to GND 160. OUT Short-Circuit Current ISC mA. Short to IN 20. DVOUT/ SO 35. Thermal Hysteresis (Note 2) ppm cycle MAX 80. DVOUT/ SO 20 ppm/. Long-Term Stability 1000hr at TA = +25 C. time MAX 100 1000hr DYNAMIC CHARACTERISTICS. f = to 10Hz VP-P. Noise Voltage eOUT f = 1kHz, CNR = 0 75. nV/ Hz f = 1kHz, CNR = F 45. To VOUT = of CNR = 0 1. Turn-On Settling Time tR ms final value CNR = F 20. Capacitive-Load Stability Range CLOAD No sustained oscillations to 10 F. INPUT. Supply Voltage Range VIN Guaranteed by line-regulation test V. TA = +25 C 380 550. Quiescent Supply Current IIN A. TA = -40 C to +125 C 725.

10 Electrical Characteristics MAX6126_28 (VOUT = ). (VIN = 5V, CLOAD = F, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 C.). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS. OUTPUT. Output Voltage VOUT TA = +25 C V. Referred to VOUT, A grade MAX + Output Voltage Accuracy %. TA = +25 C B grade MAX + TA = -40 C to A grade MAX 1 3. Output Voltage Temperature +85 C B grade MAX 2 7. TCVOUT ppm/ C. Coefficient (Note 1) TA = -40 C to A grade MAX 2 5. +125 C B grade MAX 3 12. DVOUT/ TA = +25 C 23. Line Regulation VIN V/V. DVIN TA = -40 C to +125 C 45. DVOUT/ Sourcing: 0 IOUT 10mA 28. Load Regulation V/mA. DVIN Sinking: -10mA IOUT 0 28. IOUT = 5mA Dropout Voltage (Note 3) VIN - VOUT DVOUT = V. IOUT = 10mA Maxim Integrated 4. MAX6126 ultra -High-Precision, ultra -Low-Noise, Series Voltage Reference Electrical Characteristics MAX6126_28 (VOUT = ) (continued).


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