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74HC1G66 Datasheet PDF : 18 Pages
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NXP Semiconductors
74HC1G66; 74HCT1G66
Single-pole single-throw analog switch
Table 12. Additional dynamic characteristics for 74HC1G66 and 74HCT1G66 …continued
GND = 0 V; tr = tf = 6.0 ns; CL = 50 pF; unless otherwise specified. All typical values are measured at Tamb = 25 °C.
Symbol Parameter
Conditions
Min Typ Max Unit
f(−3dB)
−3 dB frequency
response
RL = 50 Ω; CL = 10 pF; see Figure 12 and 13
VCC = 4.5 V
-
180 -
MHz
VCC = 9.0 V
-
200 -
MHz
αiso
isolation (OFF-state) RL = 600 Ω; fi = 1 MHz; see Figure 14 and 15
VCC = 4.5 V
-
−50 -
dB
VCC = 9.0 V
-
−50 -
dB
11.3 Test circuits and graphs
VCC
VCC
VIH
E
10 µF Y/Z
2RL
Z/Y
fi
2RL
VO
CL D
Fig 11. Test circuit for measuring total harmonic distortion
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VIH
E
0.1 µF Y/Z
VCC
VCC
2RL
Z/Y
fi
2RL
VO
CL dB
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With fi = 1 MHz adjust the switch input voltage for a 0 dBm level at the switch output, (0 dBm = 1 mW into 50 Ω). Then Increase
the input frequency until the dB meter reads −3 dB
Fig 12. Test circuit for measuring the −3 dB frequency response
74HC_HCT1G66_4
Product data sheet
Rev. 04 — 19 December 2008
© NXP B.V. 2008. All rights reserved.
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