REF195G Analog Devices, REF195G Datasheet
REF195G
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REF195G Summary of contents
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... Pin 1 and Pin 5. REV. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
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REF19x Series REF191–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1 INITIAL ACCURACY “E” Grade “F” Grade “G” Grade 2 LINE REGULATION “E” Grade “F & G” Grades 2 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE 3 LONG-TERM STABILITY NOISE VOLTAGE ...
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REF191–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT “E” Grade “F” Grade 3 “G” Grade 4 LINE REGULATION “E” Grade “F & G” Grades 4 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE NOTES 1 For proper operation, ...
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REF19x Series REF192–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1 INITIAL ACCURACY “E” Grade “F” Grade “G” Grade 2 LINE REGULATION “E” Grade “F & G” Grades 2 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE 3 LONG-TERM STABILITY NOISE VOLTAGE ...
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REF192–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT “E” Grade “F” Grade 3 “G” Grade 4 LINE REGULATION “E” Grade “F & G” Grades 4 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE NOTES 1 For proper operation, ...
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REF19x Series REF193–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT 3 “G” Grade 4 LINE REGULATION “G” Grade 4 LOAD REGULATION “G” Grade DROPOUT VOLTAGE SLEEP PIN Logic High Input Voltage Logic High Input Current Logic Low Input Voltage Logic ...
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REF194–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1 INITIAL ACCURACY “E” Grade “F” Grade “G” Grade 2 LINE REGULATION “E” Grade “F & G” Grades 2 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE 3 LONG-TERM STABILITY NOISE VOLTAGE NOTES 1 ...
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REF19x Series REF194–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT “E” Grade “F” Grade 3 “G” Grade 4 LINE REGULATION “E” Grade “F & G” Grades 4 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE NOTES 1 For ...
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REF195–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1 INITIAL ACCURACY “E” Grade “F” Grade “G” Grade 2 LINE REGULATION “E” Grade “F & G” Grades 2 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE 3 LONG-TERM STABILITY NOISE VOLTAGE NOTES 1 ...
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REF19x Series REF195–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT “E” Grade “F” Grade 3 “G” Grade 4 LINE REGULATION “E” Grade “F & G” Grades 4 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE NOTES 1 For ...
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REF196–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT 3 “G” Grade 4 LINE REGULATION “G” Grade 4 LOAD REGULATION “G” Grade DROPOUT VOLTAGE SLEEP PIN Logic High Input Voltage Logic High Input Current Logic Low Input Voltage Logic Low Input ...
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REF19x Series REF198–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1 INITIAL ACCURACY “E” Grade “F” Grade “G” Grade 2 LINE REGULATION “E” Grade “F & G” Grades 2 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE 3 LONG-TERM STABILITY NOISE VOLTAGE ...
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REF198–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter 1, 2 TEMPERATURE COEFFICIENT “E” Grade “F” Grade 3 “G” Grade 4 LINE REGULATION “E” Grade “F & G” Grades 4 LOAD REGULATION “E” Grade “F & G” Grades DROPOUT VOLTAGE NOTES 1 For proper operation, ...
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REF19x Series WAFER TEST LIMITS Parameter Symbol INITIAL ACCURACY REF191 V O REF192 REF193 REF194 REF195 REF196 REF198 LINE REGULATION V O LOAD REGULATION V O DROPOUT VOLTAGE V – SLEEP MODE INPUT Logic Input High V IH ...
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TYPICAL PARTS 5.003 5.15V < V < 15V IN 5.002 5.001 5.000 4.999 4.998 4.997 4.996 –50 – TEMPERATURE – C Figure 1. REF195 Output Voltage vs. Temperature 32 28 +5.15V V 15V ...
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REF19x Series 0 –20 –40 –60 –80 –100 –120 10 100 1k 10k FREQUENCY – Hz Figure 7a. Ripple Rejection vs. Frequency REF19x V = +15V REF Figure 7b. ...
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Figure 12. Line Transient Response Figure 14. Simplified Schematic APPLICATIONS SECTION Output Short Circuit Behavior The REF19x family of devices is totally protected from damage due to accidental output shorts to GND or to ...
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REF19x Series Membrane Switch Controlled Power Supply With output load currents in the tens of mA, the REF19x family of references can operate as a low dropout power supply in hand-held instrument applications. In the circuit shown in Figure 16, ...
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A Negative Precision Reference without Precision Resistors In many current-output CMOS DAC applications, where the output signal voltage must be of the same polarity as the reference voltage often required to reconfigure a cur- rent-switching DAC into a ...
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REF19x Series + > V +0.15V S OUT2 U1 REF192 C1 0 (U1 (D1) O AD589 V IN COMMON Figure 20. Stacking Voltage References with the REF19x A Precision Current Source Many times, ...
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There is one application caveat that should be understood about this circuit, which comes about due to the wire-OR nature. Since U1 and U2 can only source current effectively, negative going output voltage changes, which require the sinking of cur- ...
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REF19x Series conditions, two REF195 devices are used for U1 and U2, with their ON/OFF switching controlled by the presence or absence of the primary dc supply source backup source that supplies power to the load ...
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REV. D OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (P Suffix) (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) 0.300 (7.62) 0.060 (1.52) PIN 1 0.015 (0.38) 0.210 (5.33) ...