LTC1992CMS8#TRPBF Linear Technology, LTC1992CMS8#TRPBF Datasheet
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LTC1992CMS8#TRPBF
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LTC1992CMS8#TRPBF Summary of contents
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... Single-Ended to Differential Conversion n Level Shifting n Trimmed Phase Response for Multichannel Systems n L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Typical applicaTion Single-Supply, Single-Ended to Differential Conversion 5V 10k ...
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... S + – +OUT 4 MS8 PACKAGE 8-LEAD PLASTIC MSOP T = 150°C, θ = 250°C/W JMAX JA orDer inForMaTion LEAD FREE FINISH TAPE AND REEL LTC1992CMS8#PBF LTC1992CMS8#TRPBF LTC1992IMS8#PBF LTC1992IMS8#TRPBF LTC1992HMS8#PBF LTC1992HMS8#TRPBF LTC1992-1CMS8#PBF LTC1992-1CMS8#TRPBF LTC1992-1IMS8#PBF LTC1992-1IMS8#TRPBF LTC1992-1HMS8#PBF LTC1992-1HMS8#TRPBF LTC1992-2CMS8#PBF LTC1992-2CMS8#TRPBF LTC1992-2IMS8#PBF LTC1992-2IMS8#TRPBF LTC1992-2HMS8#PBF LTC1992-2HMS8#TRPBF LTC1992-5CMS8#PBF ...
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T noted the voltage on the V pin. V OCM OCM defined as (+V – – defined as (+ OUTDIFF SYMBOL PARAMETER V Supply Voltage ...
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LTC1992 Family elecTrical characTerisTics temperature range, otherwise specifications are at T noted the voltage on the V pin. V OCM OCM defined as (+V – – defined as (+ OUTDIFF SYMBOL PARAMETER I ...
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T noted the voltage on the V pin. V OCM OCM defined as (+V – – defined as (+ OUTDIFF LTC1992-1 only. SYMBOL PARAMETER G ...
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LTC1992 Family elecTrical characTerisTics temperature range, otherwise specifications are at T noted the voltage on the V pin. V OCM OCM defined as (+V – – defined as (+ OUTDIFF LTC1992-5 only. SYMBOL ...
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Typical perForMance characTerisTics Supply Current vs Supply Voltage 1.0 125°C 0.9 85°C 0.8 25°C 0.7 0.6 –40°C 0.5 0.4 0.3 0.2 0 TOTAL SUPPLY VOLTAGE (V) 1992 G01 Common ...
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LTC1992 Family Typical perForMance characTerisTics Output Voltage Swing vs Output Load ±5V S 5.0 4.9 –40°C 4.8 25°C 4.7 125°C 85°C 85°C 4.6 125°C 25°C 4.5 –40°C 4 –20 –15 –10 – LOAD ...
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Typical perForMance characTerisTics Differential Input Differential Gain vs Frequency ±2. 10k –6 –12 –18 –24 – 10000pF LOAD – 5000pF LOAD – ...
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LTC1992 Family Typical perForMance characTerisTics Differential Input Large-Signal Step Response 0V 2µs/DIV Single-Ended Input Large-Signal Step Response 2.5V 2µs/DIV Differential Input Small-Signal Step Response 0V 1µs/DIV 0 Applicable to the LTC1992 only. Differential Input Large-Signal Step Response +V = 2.5V ...
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Typical perForMance characTerisTics Single-Ended Input Small-Signal Step Response 2. – 2.5V OCM + 200mV IN –V = 100mV 0pF LOAD GAIN = 1 1µs/DIV THD ...
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LTC1992 Family Typical perForMance characTerisTics Differential Input Differential Gain vs Frequency ±2. –6 –12 –18 –24 – 10000pF LOAD – 5000pF LOAD – 1000pF LOAD C = 500pF ...
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Typical perForMance characTerisTics Differential Input Large-Signal Step Response +V = 2.5V S –V = –2. OCM +V = ±1.5V IN –V = 1.5V ± 0pF LOAD 0V 2µs/DIV 1992 G46 Single-Ended Input Large-Signal ...
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LTC1992 Family Typical perForMance characTerisTics Single-Ended Input Small-Signal Step Response 2. – 2.5V OCM + 200mV IN –V = 100mV 0pF LOAD 1µs/DIV 1992 G55 ...
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Typical perForMance characTerisTics Differential Input Differential Gain vs Frequency ±2. –6 –12 –18 –24 – 10000pF LOAD – 5000pF LOAD C = 1000pF –42 LOAD C = 500pF –48 ...
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LTC1992 Family Typical perForMance characTerisTics Differential Input Large-Signal Step Response +V = 2.5V S –V = –2. OCM +V = ±750mV IN –V = 750mV ± 0pF LOAD 0V 2µs/DIV 1992 G68 Single-Ended ...
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Typical perForMance characTerisTics Single-Ended Input Small-Signal Step Response 2. – 2.5V OCM + 100mV IN –V = 50mV 0pF LOAD 2µs/DIV 1992 G77 THD + ...
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LTC1992 Family Typical perForMance characTerisTics Differential Input Differential Gain vs Frequency ±2. –6 –12 – 10000pF –24 LOAD C = 5000pF LOAD – 1000pF LOAD –36 C ...
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Typical perForMance characTerisTics Differential Input Large-Signal Step Response +V = 2.5V S –V = –2. OCM +V = ± 300mV IN –V = 300mV ± 0pF LOAD 0V 2µs/DIV 1992 G90 Single-Ended Input ...
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LTC1992 Family Typical perForMance characTerisTics Single-Ended Input Small-Signal Step Response 2. – 2.5V OCM + 40mV IN –V = 20mV 0pF LOAD 5µs/DIV 1992 G99 ...
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Typical perForMance characTerisTics Differential Input Differential Gain vs Frequency ±2. – 10000pF –20 LOAD C = 5000pF LOAD – 1000pF LOAD C = 500pF LOAD – ...
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LTC1992 Family Typical perForMance characTerisTics Differential Input Large-Signal Step Response +V = 2.5V S –V = –2. OCM +V = ±150mV IN –V = 150mV ± 0pF LOAD 0V 2µs/DIV 1992 G112 Single-Ended ...
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Typical perForMance characTerisTics Single-Ended Input Small-Signal Step Response 2. – 2.5V OCM + 20mV IN –V = 10mV 0pF LOAD 10µs/DIV 1992 G121 THD + ...
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LTC1992 Family pin FuncTions –IN, +IN (Pins 1, 8): Inverting and Noninverting Inputs of the Amplifier. For the LTC1992 part, these pins are connected directly to the amplifier’s P-channel MOSFET input devices. The fixed gain LTC1992-X parts have preci- sion, ...
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DiagraMs (1992-X) PART LTC1992-1 30k 30k LTC1992-2 30k 60k LTC1992-5 30k 150k LTC1992-10 15k 150k applicaTions inForMaTion Theory of Operation The LTC1992 family consists of five fully differential, low power amplifiers. The LTC1992 is an unconstrained ...
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LTC1992 Family applicaTions inForMaTion Op Amp – –IN LTC1992 +IN • DIFFERENTIAL INPUT • HIGH OPEN-LOOP GAIN • SINGLE-ENDED OUTPUT Op Amp with Negative Feedback – LTC1992 + GAIN = – ...
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One servo controls the signal gain path. The differential input of op amp A1 creates the summing junction of this servo. Any voltage ...
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LTC1992 Family applicaTions inForMaTion A –A V INDIFF 4AV P-PDIFF A –A DIFFERENTIAL INPUT VOLTAGE INPUT COMMON MODE VOLTAGE +V = OUT –V = OUT V OUTDIFF V AMPDIFF V AMPCM OUTCM CMRR = OUTPUT BALANCE = ...
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– Figure 4. Basic Fully Differential Amplifier Application Circuits (Note: Single-Ended to Differential Conversion is Easily ...
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LTC1992 Family applicaTions inForMaTion The V input pin has a very high input impedance and OCM is easily driven by even the weakest of sources. Many ADCs provide a voltage reference output that defines either its common mode level or ...
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Typical Performance plots for small-signal step response, large-signal step response and gain over frequency to appraise the effects of capacitive loading. While the con- sequences are minor in most instances, consider these effects when designing application circuits with ...
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LTC1992 Family applicaTions inForMaTion A 2AV –A V INDIFF V INCM 4AV P-PDIFF A 2AV –A INPUT COMMON MODE LIMITS A. CALCULATE V MINIMUM AND MAXIMUM GIVEN R INCM V = (+V INCM(MAX (–V INCM(MIN ...
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Table 1. Input Signal Limitations for Some Common Applications Differential Input Signal Mid-Supply. (V OCM V must be less than the table value) INDIFF +V –V GAIN OCM (V) (V) (V/V) (V) 2.7 ...
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LTC1992 Family applicaTions inForMaTion Table 1. Input Signal Limitations for Some Common Applications Mid-Supply Referenced Single-Ended Input Signal, V common mode limits and the output clipping) +V –V GAIN OCM (V) (V) (V/V) (V) 2 ...
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Table 1. Input Signal Limitations for Some Common Applications Single Supply Ground Referenced Single-Ended Input Signal, V both the input common mode limits and the output clipping) +V –V GAIN OCM (V) (V) (V/V) (V) ...
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LTC1992 Family applicaTions inForMaTion V INDIFF +V – – OUTDIFF WHERE • FOR GROUND REFERENCED, SINGLE-ENDED INPUT SIGNAL, LET +V V OUTDIFF • COMMON MODE REJECTION: SET +V CMRR = • OUTPUT DC OFFSET ...
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V OCM OCM OCM Figure 7. Asymmetrical Feedback Application Circuits (Most Suitable in Applications with Dual, Split Supplies (e.g., ±5V), Ground Referenced Single-Ended Input Signals and ...
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LTC1992 Family Typical applicaTions Interfacing a Bipolar, Ground Referenced, Single-Ended Signal to a Unipolar Single Supply, Differential Input ADC ( –2. Gives a Digital Mid-Scale Code) IN ...
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Typical applicaTions Single-Ended to Differential Conversion Driving an ADC 5V 47µF 0.1µF 3 100 – MID LTC1992 OCM 8 + – 100 6 0.1µF –5V 2.2µF 10µF 5V 10µF 10 ...
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LTC1992 Family package DescripTion 0.889 0.127 (.035 .005) 5.23 3.20 – 3.45 (.206) (.126 – .136) MIN 0.42 0.038 0.65 (.0165 .0015) (.0256) TYP BSC RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. ...
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... Updated Part Markings Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC1992 Family ...
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... V MID 180pF LTC1992 2 BNC V OCM 60. – V OUTM 5 6 390pF 75k 0.1µF 1992 TA05a V = 24kHz INP (1V/DIV) CLK = 25kHz (LOGIC SQUARE WAVE) (5V/DIV 1kHz OUTP (0.5V/DIV 1kHz OUTM (0.5V/DIV) LT 0710 REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2005 1992fa ...