AD8646ARMZ-R2 datasheet(13/20 Pages) AD

13 / 20 page

AD8646/AD8647/AD8648

Rev. B | Page 13 of 20

4.0

–40

120

TEMPERATURE (°C)

3.5

3.0

2.5

2.0

1.5

1.0

0.5

–20

20406080

100

VOUT = VSY/2

VSY = 2.7V

VSY = 5V

Figure 40. Supply Current per Amplifier vs. Temperature

TIME (200ns/DIV)

SHUTDOWN PIN

AMPLIFIER OUTPUT

VSY = 2.7V

RL = 1kΩ

AV = 1

TA = 25°C

Figure 41. Turn-On Time

TIME (200ns/DIV)

SHUTDOWN PIN

AMPLIFIER OUTPUT

VSY = 2.7V

RL = 1kΩ

AV = 1

TA = 25°C

Figure 42. Turn-Off Time

–20

–40

–60

–80

–100

–120

10k

100k

FREQUENCY (Hz)

VIN = 2V p-p

VIN = 0.5V p-p

VSY = 5V

RL = 2kΩ

AV = –100

TA = 25°C

V–

V+

V–

V+

200Ω

20Ω

V+

V–

V+

V–

–

VIN

2kΩ

CS (dB) = 20 log (VOUT/100 = VIN)

Figure 43. Channel Separation

TIME (200ns/DIV)

SHUTDOWN PIN

AMPLIFIER OUTPUT

VSY = 5V

RL = 1kΩ

AV = 1

TA = 25°C

Figure 44. Turn-On Time

TIME (200ns/DIV)

SHUTDOWN PIN

AMPLIFIER OUTPUT

VSY = 5V

RL = 1kΩ

AV = 1

TA = 25°C

Figure 45. Turn-Off Time

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