CD74HCT4067-Q1 Datasheet, PDF (5/14 Pages) Texas Instruments – HIGH-SPEED CMOS LOGIC 16-CHANNEL ANALOG MULTIPLEXER and DEMULTIPLEXER

CD74HCT4067-Q1
www.ti.com
SCLS601B – DECEMBER 2004 – REVISED AUGUST 2012
3.8 ANALOG CHANNEL CHARACTERISTICS
T_A = 25°C
PARAMETER
f_max
Switch frequency response bandwidth at −3 dB
Sine-wave distortion
TEST CONDITIONS
See Figure 1 and Figure 7^{(1) (2)}
See Figure 2
Switch OFF signal feedthrough
See Figure 4 and Figure 8
C_S
C_COM
Switch input capacitance
Common capacitance
V_CC
4.5 V
4.5 V
4.5 V
TYP
89
0.051
−75
5
50
UNIT
MHz
%
dB
pF
pF
(1) Adjust input voltage to obtain 0 dBm at output, f = 1 MHz.
(2) V_IS is centered at V_CC / 2
4 PARAMETER MEASUREMENT INFORMATION
VCC
VCC
VIS
0.1 F
SWITCH
ON
50 Ω
VOS
10 pF
dB
METER
VCC / 2
Figure 1. Frequency-Response Test Circuit
VCC
600 Ω
SWITCH
ALTERNATING
ON AND OFF
tr, tf ≤ 6 ns
fCONT = 1 MHz
50% DUTY
CYCLE
600 Ω
VCC / 2
VOS
10 pf
SCOPE
Figure 3. Control-to-Switch Feedthrough Noise
Test Circuit
Sine
Wave
VIS
10 F
SWITCH
ON
10 kΩ
50 pF
VOS
DISTORTION
METER
fIS = 1 kHz to 10 kHz
V_CC / 2
Figure 2. Sine-Wave Distortion Test Circuit
VCC
fIS ≥ 1-MHz Sine Wave
R = 50 Ω
C = 10 pF
0.1 µF
V _IS
SWITCH
OFF
R
VC = VIL
R
V _OS
dB
C
METER
VCC / 2
VCC / 2
Figure 4. Switch OFF Signal Feedthrough Test
Circuit
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