AD8170AR-REEL7 查看數據表（PDF） - Analog Devices

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AD8170AR-REEL7

250 MHz, 10 ns Switching Multiplexers w/Amplifier

Analog Devices 

Typical Performance Characteristics – AD8170/AD8174

∆tFALL = 9.1ns ∆tRISE = 7.5ns

DUT

OUT

OUTPUT

IN0, IN2 =

+0.5V

IN1, IN3 =

+0.5V

G = +2

RF = RG = 499⍀

RL = 100⍀

SELECT

PULSE

0 TO +5V

5ns/DIV

Figure 4. Channel Switching Characteristics

OUTPUT (AD8170R) SEL SWITCHING

G = +2

RF = 499⍀

(AD8170R)

RF = 549⍀

(AD8174R)

RL = 100⍀

OUTPUT

(AD8174R)

A0 SWITCHING

A1 SWITCHING

SEL, A0, A1

PULSE

0 TO +5V

10ns/DIV

Figure 7. Switching Transient (Glitch) Response

AD8174R

OUTPUT

INØ = +0.5VDC

G = +2

RF = 549⍀

RL = 100⍀

∆tOFF = 120ns

∆tON = 17ns

ENABLE PULSE

0 TO +5V

(5nsec EDGES)

50ns/DIV

Figure 5. Enable and Disable Switching Characteristics

4

G = +2

3

RF = RG = 1kΩ

RL = 150Ω

2

1

0

–1

–2

–3

–4

–3

–2

–1

0

1

2

3

VIN – Volts

Figure 8. Output Voltage vs. Input Voltage, G = +2

OUTPUT

AD8174R

INØ = +0.5VDC

G = +2

RF = 549⍀

RL = 100⍀

∆tON = 20ns

∆tOFF = 115ns

SHUTDOWN PULSE

0 TO +5V

(5nsec EDGES)

50ns/DIV

Figure 6. Shutdown Switching Characteristics

9

6

3

0

–3

–6

–9

–12

–15

–18

–21

1M

VIN = 1.0V rms

VIN = 0.5V rms

VIN = 0.25V rms

VIN = 125mV rms

VIN = 625mV rms

10M

100M

FREQUENCY – Hz

9

G = +2

0

RF = 549Ω

RL = 100Ω –3

–6

–9

–12

–15

–18

–21

–24

–27

1G

Figure 9. Large Signal Frequency Response

REV. 0

–5–

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