PS397 데이터 시트보기 (PDF) - Pericom Semiconductor

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PS397

Precision, 16-Channel/Dual 8-Channel, 17V Analog Multiplexers

Pericom Semiconductor 

PS396/PS397

Precision, 16-Channel/Dual 8-Channel,

17V Analog Multiplexers 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Test Circuits and Timing Diagrams (continued)

+5V

+2.4V

EN

V+

A0

A1

A2

A3

GND

50Ω

NO1-NO16 +3V

COM

V–

300Ω

–5V

VOUT

35pF

+3V

Logic

50%

Input

0V

tR < 20ns

tF < 20ns

VOUT

80%

Switch

Output

0V

tOPEN

Figure 4. Break-Before-Make Interval

+5V

V+

NO1-NO16

+3V

Logic

Input

0V

OFF

ON

OFF

VS

EN

A0

Channel

A1

Select

A2

A3

COM

VOUT

CL = 100pF

VOUT

∆VOUT

GND

V–

–5V

∆VOUT is the measured Voltage due to charge transfer

error Q when the channel turns off.

VCTE = CL = ∆VOUT

Figure 5. Charge Injection (VCTE)

VIN

RS = 50Ω

+5V

V+

NO1

NO16

A0

A1

A2

A3

GND EN

COM

V–

10nF

VOUT

RL = 1k

–5V

Off-isolation = 20log VOUT

VIN

Note: Similar Connection Applies for PS397

Figure 6. Off-Isolation (VISO)

R = 1kΩ

+5V

VOUT NO1

V+

VIN

NO2

NO16

A0

A1

A2

A3

GND EN

COM

V–

–5V

Crosstalk = 20log

VOUT

VIN

Note: Similar Connection Applies for PS397

Figure 7. Cross Talk (VCT)

10nF

RL = 1k

10

PS8443A

06/12/00

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