AD8331ARQZ-R7 datasheet(12/56 Pages) AD

12 / 56 page

AD8331/AD8332/AD8334

Rev. G | Page 12 of 56

TYPICAL PERFORMANCE CHARACTERISTICS

TA = 25°C, VS = 5 V, RL = 500 Ω, RS = RIN = 50 Ω, RIZ = 280 Ω, CSH = 22 pF, f = 10 MHz, RCLMP = ∞, CL = 1 pF, VCM pin floating,

−4.5 dB to +43.5 dB gain (HILO = LO), and differential output voltage, unless otherwise specified.

–10

0.2

0.4

0.6

0.8

1.0

1.1

VGAIN (V)

HILO = HI

HILO = LO

ASCENDING GAIN MODE

DESCENDING GAIN MODE

(WHERE AVAILABLE)

Figure 7. Gain vs. VGAIN and MODE (MODE Available on RU Package)

2.0

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

0.2

0.4

0.6

0.8

1.0

1.1

VGAIN (V)

+25°C

–40°C

+85°C

Figure 8. Absolute Gain Error vs. VGAIN at Three Temperatures

2.0

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

0.2

0.4

0.6

0.8

1.0

1.1

VGAIN (V)

1MHz

30MHz

10MHz

70MHz

50MHz

Figure 9. Absolute Gain Error vs. VGAIN at Various Frequencies

–0.5 –0.4 –0.3 –0.2 –0.1

0.1

0.2

0.3

0.4

0.5

GAIN ERROR (dB)

SAMPLE SIZE = 80 UNITS

VGAIN = 0.5V

Figure 10. Gain Error Histogram

VGAIN = 0.7V

CHANNEL TO CHANNEL GAIN MATCH (dB)

SAMPLE SIZE = 50 UNITS

VGAIN = 0.2V

Figure 11. Gain Match Histogram for VGAIN = 0.2 V and 0.7 V

–20

–10

100k

10M

100M

500M

FREQUENCY (Hz)

VGAIN = 1V

VGAIN = 0.8V

VGAIN = 0.6V

VGAIN = 0.4V

VGAIN = 0.2V

VGAIN = 0V

Figure 12. Frequency Response for Various Values of VGAIN

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