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74LVC1G3157DBVRE4 数据表(PDF) 5 Page - Texas Instruments |
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74LVC1G3157DBVRE4 数据表(HTML) 5 Page - Texas Instruments |
5 / 23 page www.ti.com Analog Switch Characteristics Switching Characteristics SN74LVC1G3157 SINGLE-POLE, DOUBLE-THROW ANALOG SWITCH SCES424F – JANUARY 2003 – REVISED FEBRUARY 2007 T A = 25°C FROM TO PARAMETER TEST CONDITIONS VCC TYP UNIT (INPUT) (OUTPUT) 1.65 V 300 Frequency RL = 50 Ω, 2.3 V 300 response(1) A or Bn Bn or A fin = sine wave MHz 3 V 300 (switch on) (see Figure 6 ) 4.5 V 300 1.65 V –54 Crosstalk(2) RL = 50 Ω, 2.3 V –54 (between B1 or B2 B2 or B1 fin = 10 MHz (sine wave) dB 3 V –54 switches) (see Figure 7 ) 4.5 V –54 1.65 V –57 Feed-through CL = 5 pF, RL = 50 Ω, 2.3 V –57 attenuation(2) A or Bn Bn or A fin = 10 MHz (sine wave) dB 3 V –57 (switch off) (see Figure 8 ) 4.5 V –57 3.3 V 3 CL = 0.1 nF, RL = 1 MΩ Charge injection(3) S A pC (see Figure 9 ) 5 V 7 1.65 V 0.1 VI = 0.5 Vp-p, RL = 600 Ω, 2.3 V 0.025 Total harmonic A or Bn Bn or A fin = 600 Hz to 20 kHz (sine wave) % distortion 3 V 0.015 (see Figure 10 ) 4.5 V 0.01 (1) Adjust fin voltage to obtain 0 dBm at output. Increase fin frequency until dB meter reads –3 dB. (2) Adjust fin voltage to obtain 0 dBm at input. (3) Specified by design over recommended operating free-air temperature range (unless otherwise noted) (see Figure 5 and Figure 11) VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V VCC = 5 V FROM TO ± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V PARAMETER UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX tpd(1) A or Bn Bn or A 2 1.2 0.8 0.3 ns ten(2) 7 24 3.5 14 2.5 7.6 1.7 5.7 S Bn ns tdis(3) 3 13 2 7.5 1.5 5.3 0.8 3.8 tB-M(4) 0.5 0.5 0.5 0.5 ns (1) tpd is the slower of tPLH or tPHL. The propagation delay is calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance when driven by an ideal voltage source (zero output impedance). (2) ten is the slower of tPZL or tPZH. (3) tdis is the slower of tPLZ or tPHZ. (4) Specified by design 5 Submit Documentation Feedback |
类似零件编号 - 74LVC1G3157DBVRE4 |
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类似说明 - 74LVC1G3157DBVRE4 |
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