ISL5120 Datasheet, PDF (8/15 Pages) Intersil Corporation – Low-Voltage, Single Supply, Dual SPST, SPDT Analog Switches

ISL5120, ISL5121, ISL5122, ISL5123
Test Circuits and Waveforms (Continued)
V+
C
SWITCH
OUTPUT
V_OUT
LOGIC ^ON
INPUT
∆V_OUT
OFF
Q = ∆V_OUT x C_L
V+
ON
0V
R_G
NO or NC
COM
V_G
GND
IN
LOGIC
INPUT
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2. CHARGE INJECTION
FIGURE 2B. TEST CIRCUIT
V_OUT
C_L
3V OR 4V
LOGIC
INPUT
0V
SWITCH
OUTPUT
V_{OUT1 0V}
SWITCH
OUTPUT
V_{OUT2 0V}
90%
t_D
90%
t_D
FIGURE 3A. MEASUREMENT POINTS (ISL5122 ONLY)
V+
C
V_NX
LOGIC
INPUT
NO1
NC2
IN₁
IN₂
COM₁
COM₂
V_OUT1
V_OUT2 R_L1
300Ω
C_L1
35pF
R_L2
300Ω
C_L2
35pF
GND
C_L includes fixture and stray capacitance.
FIGURE 3B. TEST CIRCUIT (ISL5122 ONLY)
V+
C
3V OR 4V
LOGIC
INPUT
0V
NO
V_NX
NC
IN
COM
V_OUT
R_L
300Ω
C_L
35pF
SWITCH
OUTPUT
V_{OUT 0V}
90%
LOGIC
INPUT
t_D
GND
C_L includes fixture and stray capacitance.
FIGURE 3C. MEASUREMENT POINTS (ISL5123 ONLY)
FIGURE 3D. TEST CIRCUIT (ISL5123 ONLY)
FIGURE 3. BREAK-BEFORE-MAKE TIME
8
FN6022.6
November 17, 2004