AD604ARZ-RL datasheet(7/32 Pages) AD

部品番号	AD604ARZ-RL

部品情報	Dual, Ultralow Noise Variable Gain Amplifier

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AD604

Rev. D | Page 7 of 32

TYPICAL PERFORMANCE CHARACTERISTICS

Unless otherwise noted, G (preamplifier) = 14 dB, VREF = 2.5 V (20 dB/V scaling), f = 1 MHz, RL = 500 Ω, CL = 5 pF, TA = 25°C, and

VSS = ±5 V.

VGN (V)

50

20

–10

40

30

10

0

0.1

0.5

0.9

1.3

1.7

2.1

2.5

2.9

3 CURVES

–40°C,

+25°C,

+85°C

Figure 3. Gain vs. VGN for Three Temperatures

VGN (V)

60

50

40

30

20

10

0

–10

–20

0.1

0.5

0.9

1.3

1.7

2.1

2.5

2.9

G (PREAMP) = +20dB

(+6dB TO +54dB)

DSX ONLY

(–14dB TO +34dB)

G (PREAMP) = +14dB

(0dB TO +48dB)

Figure 4. Gain vs. VGN for Different Preamplfier Gains

VGN (V)

50

20

–10

40

30

10

0

0.10.50.91.3

1.72.12.52.9

ACTUAL

20dB/V

VREF = 2.5V

30dB/V

VREF = 1.67V

Figure 5. Gain vs. VGN for Different Gain Scalings

40.0

37.5

32.5

30.0

25.0

20.0

22.5

27.5

35.0

ACTUAL

VREF (V)

1.25

1.50

1.75

2.00

2.25

2.50

THEORETICAL

Figure 6. Gain Scaling vs. VREF

VGN (V)

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

0.2

0.7

1.2

1.7

2.2

2.7

+25°C

+85°C

–40°C

Figure 7. Gain Error vs. VGN

VGN (V)

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

0.2

0.7

1.2

1.7

2.2

2.7

FREQ = 5MHz

FREQ = 1MHz

FREQ = 10MHz

Figure 8. Gain Error vs. VGN at Different Frequencies

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