AD641_15 datasheet(4/16 Pages) AD

부품명	AD641

상세설명	250 MHz Demodulating Logarithmic Amplifier

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REV. C

AD641

–4–

–Typical DC Performance Characteristics

1.015

1.010

1.005

1

0.995

0.990

0.985

0.980

–60 –40 –20

0

20

40 60 80 100 120 140

TEMPERATURE – C

Figure 1. Slope Current, IY, vs.

Temperature

4.5

5.0

5.5

6.0

6.5

7.0

7.5

POWER SUPPLY VOLTAGES –

Volts

1.015

1.010

1.005

1.000

0.995

0.990

0.985

Figure 4. Intercept Voltage, VX, vs.

Supply Voltages

INPUT VOLTAGE – mV

(EITHER SIGN)

2

1.0

0.1

1.0

1000.0

10.0

100.0

1

1.2

1.4

1.6

1.8

2.0

2.2

2.4

0.8

0.6

0.4

0.2

0

–0.2

–0.4

0

Figure 7. DC Logarithmic Transfer

Function and Error Curve for Single

AD641

1.20

1.15

1.10

1.05

1.00

0.95

0.90

–60 –40 –20

0

20

40 60 80 100 120 140

TEMPERATURE – C

0.85

Figure 2. Intercept Voltage, VX, vs.

Temperature

14

13

12

11

10

9

8

7

–60 –40 –20 0

20

40

60 80 100 120 140

TEMPERATURE – C

Figure 5. Intercept Voltage (Using

Attenuator) vs. Temperature

2.5

2.0

1.5

1.0

0.5

–60 –40 –20

0

20 40 60

80 100 120 140

TEMPERATURE – C

0

Figure 8. Absolute Error vs. Tempera-

ture, VIN = ±1 mV to ±100 mV

4.5

5.0

5.5

6.0

6.5

7.0

7.5

POWER SUPPLY VOLTAGES –

Volts

1.006

1.004

1.002

1.000

0.998

0.996

0.994

Figure 3. Slope Current, IY, vs. Supply

Voltages

–60 –40 –20

0

20

40

60 80 100 120 140

TEMPERATURE – C

0

–0.1

+0.4

+0.3

+0.2

+0.1

–0.2

–0.3

INPUT OFFSET VOLTAGE

DEVIATION WILL BE WITHIN

SHADED AREA.

Figure 6. Input Offset Voltage Devia-

tion vs. Temperature

2.5

2.0

1.5

1.0

0.5

–60 –40 –20

0

20

40 60

80 100 120 140

TEMPERATURE – C

0

Figure 9. Absolute Error vs. Tempera-

ture, Using Attenuator. VIN = ±10 mV

to

±1 V, Pin 8 Grounded to Disable ITC

Bias

유사한 부품 번호 - AD641_15

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD641	320Kb / 17P	250 MHz Demodulating Logarithmic Amplifier

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AD641 데이터시트(PDF) 4 Page - Analog Devices

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