參數(shù)資料
型號(hào)： 74AHCT1G66GW-T
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 多路復(fù)用及模擬開(kāi)關(guān)
英文描述： 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO5
封裝： 1.25 MM, PLASTIC, SOT-353, MO-203, SC-88A, TSSOP-5
文件頁(yè)數(shù)： 3/17頁(yè)
文件大?。?/td> 105K
代理商： 74AHCT1G66GW-T
74AHC_AHCT1G66_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
11 of 17
NXP Semiconductors
74AHC1G66; 74AHCT1G66
Single-pole single-throw analog switch
[1]
Adjust input voltage VI to 0 dBm level (0 dBm =1 mW into 50 ).
11.3 Test circuits and graphs
f(3dB)
3 dB frequency
response
RL = 50 ; CL =10pF;
see Figure 12 and 13
VCC = 3.0 V to 3.6 V
-
230
-
MHz
VCC = 4.5 V to 5.5 V
-
280
-
MHz
αiso
isolation (OFF-state)
RL = 600 ; fi = 1 MHz; see Figure 14
VCC = 3.0 V to 3.6 V; VI = 2.5 V
-
50
-
dB
VCC = 4.5 V to 5.5 V; VI = 4.0 V
-
50
-
dB
Table 12.
Additional dynamic characteristics for 74AHC1G66 and 74AHCT1G66 …continued
GND = 0 V; tr = tf = 3.0 ns; CL = 50 pF; unless otherwise specied. All typical values are measured at Tamb =25 °C.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Test conditions:
VCC = 3.0 V to 3.6 V; VI = 2.5 V (p-p).
VCC = 4.5 V to 5.5 V; VI = 4.0 V (p-p).
Fig 11. Test circuit for measuring total harmonic distortion
10
F
2RL
CL
fi
VIH
VO
VCC
E
D
Y/Z
Z/Y
001aai678
With fi = 1 MHz adjust the switch input voltage for a 0 dBm level at the switch output, (0 dBm = 1 mW into 50 ). Then increase
the input fi frequency until the dB meter reads 3dB.
Fig 12. Test circuit for measuring the
3 dB frequency response
0.1
F
2RL
CL
fi
VIH
VO
VCC
E
dB
Y/Z
Z/Y
001aai680
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