ISL54405 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

ISL54405

CD/MP3 Quality Stereo 2:1 Multiplexer with Click and Pop Elimination

Renesas Electronics 

ISL54405

Test Circuits and Waveforms (Continued)

LOGIC

INPUT

VDD

0V

SWITCH

OUTPUT

VOUT 0V

VNX

90%

tD

LOGIC

INPUT

VDD C

Lx

R OR L

Rx

SEL

GND MUTE

VOUT

RL

CL

FIGURE 3A. MEASUREMENT POINTS

Repeat test for all switches. CL includes fixture and stray capacitance.

FIGURE 3B. TEST CIRCUIT

FIGURE 3. BREAK-BEFORE-MAKE TIME

SIGNAL

GENERATOR

VDD

C

MUTE

Lx or Rx

SEL 0V OR VDD

rON = V1/80mA

Lx or Rx

VNX

80mA

V1

VDD

C

SEL 0V OR VDD

ANALYZER

RL

L, R

GND

L, R

GND MUTE

Signal direction through switch is reversed, worst case values

are recorded. Repeat test for all switches.

FIGURE 4. OFF-ISOLATION TEST CIRCUIT

SIGNAL

GENERATOR

VDD

C

Lx OR Rx

L, R

SEL

0V OR VDD

L, R

Lx or Rx

ANALYZER

NC

GND MUTE

RL

Signal direction through switch is reversed, worst case values

are recorded. Repeat test for all switches.

FIGURE 6. CROSSTALK TEST CIRCUIT

Repeat test for all switches.

FIGURE 5. rON TEST CIRCUIT

IMPEDANCE

ANALYZER

Lx or Rx

VDD

C

SEL 0V OR VDD

L, R

GND MUTE

Repeat test for all switches.

FIGURE 7. CAPACITANCE TEST CIRCUIT

FN6699 Rev 2.00

May 6, 2014

Page 7 of 20

Share Link: