AD8264ACPZ-R7 datasheet(8/40 Pages) AD

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AD8264

Rev. 0 | Page 8 of 40

TYPICAL PERFORMANCE CHARACTERISTICS

VS = ±2.5 V, TA = 25°C, f = 10 MHz, CL = 5 pF, RL = 500 Ω per output (VGAx, VOHx, VOLx), VGAIN = (VGNHx − VGNLO) = 0 V,

VVOCM = GND, VOFSx = GND, gain range = 6 dB to 30 dB, unless otherwise specified.

–6

–0.7

–0.5

–0.3

–0.1

0.1

0.3

0.5

0.7

VGAIN (V)

–40°C

+25°C

+85°C

+105°C

VGA

DIFFERENTIAL

OUTPUT

Figure 3. Gain vs. VGAIN vs. Temperature

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

–0.7

–0.5

–0.3

–0.1

0.1

0.3

0.5

0.7

VGAIN (V)

TA = +105°C

TA = +25°C

TA = –40°C

MAX

MIN

Figure 4. Gain Error vs. VGAIN vs. Temperature

–4

–3

–2

–1

–0.7

–0.5

–0.3

–0.1

0.10.30.50.7

1MHz

10MHz

70MHz

100MHz

150MHz

VGAIN (V)

Figure 5. Gain Error vs. VGAIN at Various Frequencies to VGAx

140

120

100

–0.6

–0.4

–0.2

0.2

0.4

GAIN ERROR (dB)

MEAN: –0.1dB

SD: 0.05dB

VGAIN = 0V

Figure 6. VGA Absolute Gain Error Histogram

180

150

120

19.0

19.5

20.0

20.5

21.0

GAIN SCALING (dB/V)

MEAN: 20.1dB

SD: 0.09dB

Figure 7. Gain Scale Factor Histogram (−0.4 V < VGAIN < +0.4 V)

11.7

11.8

11.9

12.0

12.1

GAIN INTERCEPT (dB)

MEAN: 11.9dB

SD: 0.08dB

Figure 8. VGA Gain Intercept Histogram

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