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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LP8727 датащи(PDF) 7 Page - Texas Instruments |
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LP8727 датащи(HTML) 7 Page - Texas Instruments |
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7 / 33 page  LP8727 www.ti.com SNVS898A – OCTOBER 2012 – REVISED MAY 2013 Multiplexer Switches Electrical Characteristics (continued) Typical values and limits appearing in normal type apply for TJ=25°C. Unless otherwise noted, VVBAT = 3.7V, VBUS is disconnected. Limits appearing in boldface type apply over the entire junction temperature range for operation, TJ = −40°C to +125°C. (1) Symbol Parameter Conditions Typ Min Max Units ILEAKUART(OFF) Off Leakage Current(2) −360 360 0V < VD+ or VD-< 3.3V, CP_EN = 1 nA ILEAKUART(ON) On Leakage Current(2) −360 360 AUDIO ANALOG SWITCHES (AUD1, AUD2) CP_EN = 0 0 VCC VAUD1, AUD2 Analog Signal Range V CP_EN = 1 VSWNEG VSWPOS RSWONAUD On Resistance 1.6 3.6 On Resistance Match ΔRSWONAUD −1.8V < VD+ or VD-< 1.8V 0.2 Ω Between Channels RFLATAUD On Resistance Flatness 0.5 ILEAKUAUD(OFF) Off Leakage Current(2) −360 360 −1.8V < VD+ or VD-< 1.8V, nA CP_EN = 1 ILEAKUAUD(ON) On Leakage Current(2) −360 360 RSHUNT Shunt Resistor ISHUNT = 10 mA 100 30 180 Ω MIC ANALOG SWITCHES (MIC) CP_EN = 0 0 VCC VMIC Analog Signal Range V CP_EN = 1 VSWNEG VSWPOS RSWONMIC On Resistance 3 10 Ω RFLATMIC On Resistance Flatness 0.8 0V < VID< 1.6V ILEAKMIC(OFF) Off Leakage Current(2) −360 360 nA ILEAKMIC(ON) On Leakage Current(2) −360 360 DYNAMIC TCP_EN Charge Pump Startup Time 1 ms MIC Low-Power Detection TMICLPDP 117 50 175 µs Pulse Time MIC_LP = 1, SEMREM = 1 MIC Low-Power Detection TMICLPD 100 45 155 Period ms TDEB Comparator Debounce Time 60 30 100 TONSW Analog Switch Turn-on Time 1 TOFFSW Analog Switch Turn-off Time RL = 50 Ω (3)(4) 10 µs TBBM Break-Before-Make 0 VISO Off-Isolation(5) −108 RL = 50Ω, CL = 5pF, f= 20 kHz dB VD+ or VD-= 1VRMS (6) (4) VCT Crosstalk −107 f = 20 Hz to 20 kHz, V VD+ or VD-= Total Harmonic Distortion 0.25VRMS, RL = 30Ω, DC Bias = 0V, 0.05 Plus Noise AUD1, AUD2 T = 25°C THD+NAUD % f = 20 Hz to 20 kHz, V VD+ or VD-= Total Harmonic Distortion 0.4VRMS, RL = 1kΩ, DC Bias = 0.8V, 0.05 Plus Noise MIC T = 25°C (3) All timing is measured using 10% and 90% levels. (4) Min and Max limits are specified by design, test or statistical analysis. Typical numbers are not ensured, but do represent the most likely norm. (5) Off-isolation = 20log [VD+/D− / (VNO1/2or VNC1/2), VD+/D− = output, VNO1/2 or VNC1/2 = input to off switch. (6) Crosstalk is measured between any two switches. Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LP8727 |
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