IH5352CBP 데이터 시트보기 (PDF) - Intersil

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IH5352CBP

Quad SPST, CMOS RF/Video Switch

Intersil 

IH5352

Test Circuits and Waveforms

15V

5V

VANALOG

(±5V)

S1 V+

VL S2

VOUT

D1

D2

+3V

0V

TTL IN

IN1

RL = 100Ω

IN2

GND

-15V

NOTE: Only one channel shown. Others act identically.

FIGURE 1A. TEST CIRCUIT

+3V

TTL

INPUT 0V

50%

≈ +3.5V

VOUT

(VANALOG + 5V)

0V

0V

VOUT

(VANALOG - 5V)

≈ -3.5V

90%

tON

tOFF

10%

FIGURE 1. tON AND tOFF

FIGURE 1B. MEASUREMENT POINTS

50%

10%

90%

75Ω

VIN

VOUT

RG-59

COAX

75Ω

RG-59

COAX

15V

S1 V+

D1

IN1

5V

VL S2

D2

IN2

V-

GND

-15V

VIN = ±5V(10VP-P) at f = 10MHz

OIRR = 20Log V----V-O---I-U-N---T--

NOTE: Only one channel shown. Others act identically.

FIGURE 2. OFF ISOLATION TEST CIRCUIT

15V

5V

75Ω

S1 V+

VIN

D1

+5V

IN1

V-

VL S2

OPEN

D2

75Ω

VOUT

IN2

GND

-15V

VIN = 225mVRMS at f = 10MHz

CCRR = 20Log V----V-O---I-U-N---T--

FIGURE 3. CROSSTALK TEST CIRCUIT

75Ω

15V

VIN

S1 V+

RG-59

COAX

VOUT

D1

75Ω

RG-59

COAX

+5V

IN1

V-

5V

VL S2

NC

D2

75Ω

IN2

GND

-15V

ATTN: = 20Logr---D----S----(--O--R---N--L--)---+-----R----L--

Nominally, at DC, ATTN equals -4dB. When the attenuation reaches -1dB, the frequency at which this occurs is f3dB.

NOTE: Only one channel shown. Others act identically.

FIGURE 4. SWITCH ATTENUATION TEST CIRCUIT

4

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