ISL43110_05 Datasheet, PDF (6/12 Pages) Intersil Corporation – Low-Voltage, Single Supply, SPST, High Performance Analog Switches

ISL43110, ISL43111
Test Circuits and Waveforms
3V or 5V
LOGIC
INPUT
0V
SWITCH
INPUT
SWITCH
OUTPUT _0V
50%
t_OFF
V_OUT
90%
t_ON
t_r < 20ns
t_f < 20ns
90%
V+
C
SWITCH
INPUT
LOGIC
INPUT
NO or NC
IN
GND
COM
V_OUT
R_L
300Ω
C_L
35pF
Logic input waveform is inverted for switches that have the opposite
logic sense.
FIGURE 1A. MEASUREMENT POINTS
C_L
includes
fixture
V_O
U^anT^{d=stVra(yNcOapoar cNitCan) c-}_R^-e---._L^-----+--R--_R^---L--₍^--_O^-----_N^----₎
FIGURE 1B. TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
V+
C
SWITCH
OUTPUT
V_OUT
∆V_OUT
R_G
NO or NC
COM
LOGIC ^ON
ON
INPUT
OFF
Q = ∆V_OUT x C_L
V_G
GND
IN
LOGIC
INPUT
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2. CHARGE INJECTION
FIGURE 2B. TEST CIRCUIT
V_OUT
C_L
SIGNAL
GENERATOR
V+
C
NO or NC
ANALYZER
R_L
IN ^{0V or V+}
COM
GND
FIGURE 3. OFF ISOLATION TEST CIRCUIT
R_{ON = V1/1mA}
COM
V_COM
1mA
V₁
V+
C
IN
0.8V or V_INH
NO or NC GND
FIGURE 4. R_ON TEST CIRCUIT
6
FN6028.3
April 12, 2005