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TI(德州仪器) SN74HC4851
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  • TI(德州仪器) SN74HC4851
  • TI(德州仪器) SN74HC4851
  • TI(德州仪器) SN74HC4851
  • TI(德州仪器) SN74HC4851
  • TI(德州仪器) SN74HC4851
  • TI(德州仪器) SN74HC4851
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SN74HC4851

SN74HC4851

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具有注入电流效应控制功能的 5V、8:1、单通道模拟多路复用器

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This eight-channel CMOS analog multiplexer/demultiplexer is pin compatible with the ’4051 function and, additionally, features injection-current effect control, which has excellent value in automotive applications where voltages in excess of normal supply voltages are common.

The injection-current effect control allows signals at disabled analog input channels to exceed the supply voltage without affecting the signal of the enabled analog channel. This eliminates the need for external diode/resistor networks typically used to keep the analog channel signals within the supply-voltage range.

  • Injection-Current Cross Coupling <1mV/mA (see Figure 1)
  • Low Crosstalk Between Switches
  • Pin Compatible With SN74HC4051, SN74LV4051A, and CD4051B
  • 2-V to 6-V VCC Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)

Configuration8
Number of channels1
Power supply voltage - single (V)2.5, 3.3, 5
ProtocolsAnalog
Ron (typ) (Ω)150
CON (typ) (pF)6.7
ON-state leakage current (max) (µA)1
Supply current (typ) (µA)2
Operating temperature range (°C)-40 to 125
FeaturesInjection current control
Input/output continuous current (max) (mA)25
RatingCatalog
Drain supply voltage (max) (V)6
Supply voltage (max) (V)6
PDIP (N)16181.42 mm² 19.3 x 9.4
SOIC (D)1659.4 mm² 9.9 x 6
TSSOP (PW)1632 mm² 5 x 6.4
TVSOP (DGV)1623.04 mm² 3.6 x 6.4
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