ISL84051(2003) Просмотр технического описания (PDF) - Intersil

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ISL84051
(Rev.:2003)

Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches

Intersil 

ISL84051, ISL84052, ISL84053

Test Circuits and Waveforms (Continued)

V+

C

V-

C

LOGIC OFF

INPUT

ON

SWITCH

OUTPUT

VOUT

3V

OFF

0V

∆VOUT

RG

NO or NC

0Ω

COM

ADDX

VG

GND INH

LOGIC

INPUT

Q = ∆VOUT x CL

FIGURE 2A. Q MEASUREMENT POINTS

Repeat test for other switches.

FIGURE 2B. Q TEST CIRCUIT

FIGURE 2. CHARGE INJECTION

VOUT

CL

1nF

3V

LOGIC

INPUT

0V

SWITCH

OUTPUT

VOUT

0V

tr < 20ns

tf < 20ns

tBBM

80%

C

V+

LOGIC

INPUT

C

V+

LOGIC

INPUT

V+

C

V-

C

NO0-NO7

ADDA-C

COM

ISL84051

GND INH

VOUT

RL

300Ω

CL

35pF

V+

C

V-

C

NO0-NO3

ADDA-B

COM

ISL84052

GND INH

VOUT

RL

300Ω

CL

35pF

C

V+

LOGIC

INPUT

V+

C

V-

C

NOX

NCX

COMX

ISL84053

ADDX

GND INH

VOUT

RL

300Ω

CL

35pF

Repeat test for other switches. CL includes fixture and stray

capacitance.

FIGURE 3A. tBBM MEASUREMENT POINTS

FIGURE 3B. tBBM TEST CIRCUIT

FIGURE 3. BREAK-BEFORE-MAKE TIME

10

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