ISL43640_06 Datasheet, PDF (7/13 Pages) Intersil Corporation – Low-Voltage, Single Supply, 4 to 1 Multiplexer, High Performance Analog Switch

ISL43640
Test Circuits and Waveforms (Continued)
3V
LOGIC
INPUT
0V
t_r < 20ns
t_f < 20ns
SWITCH
OUTPUT
V_OUT
0V
80%
t_D
C
V+
LOGIC
INPUT
V+
C
NO0-NO3
ADD1
ADD2
COM
GND INH
V_OUT
R_L
300Ω
C_L
35pF
Repeat test for other switches. C_L includes fixture and stray
capacitance.
FIGURE 3A. MEASUREMENT POINTS
FIGURE 3B. TEST CIRCUIT
FIGURE 3. BREAK-BEFORE-MAKE TIME
SIGNAL
GENERATOR
ANALYZER
R_L
V+
C
NO or NC
0V or V+
ADDX
COM _GND
0V or V+
INH
FIGURE 4. OFF ISOLATION TEST CIRCUIT
R_ON = V₁/1mA
V_NX
1mA
NO or NC
V₁
V+
C
0V or V+
ADDX
COM _{GND INH}
FIGURE 5. R_ON TEST CIRCUIT
IMPEDANCE
ANALYZER
V+
C
NO or NC
0V or V+
ADDX
COM
GND INH
FIGURE 6. CAPACITANCE TEST CIRCUIT
7
FN6043.3
January 23, 2006