AD8264-EVALZ 데이터 시트보기 (PDF) - Analog Devices
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AD8264-EVALZ Datasheet PDF : 40 Pages
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AD8264
Data Sheet
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.
36
–40°C
–40°C
30
+25°C
+25°C
+85°C
+85°C
24
+105°C
+105°C
18
DIFFERENTIAL
OUTPUT
140
VGAIN = 0V
120
100
80
MEAN: –0.1dB
SD: 0.05dB
VGA
12
60
6
40
0
20
–6
–0.7 –0.5 –0.3 –0.1
0.1
0.3
0.5
0.7
VGAIN (V)
Figure 3. Gain vs. VGAIN vs. Temperature
0
–0.6
–0.4
–0.2
0
0.2
0.4
GAIN ERROR (dB)
Figure 6. VGA Absolute Gain Error Histogram
2.0
TA = +105°C
1.5
TA = +25°C
TA = –40°C
MAX
1.0
MIN
0.5
0
–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)
Figure 4. Gain Error vs. VGAIN vs. Temperature
MEAN: 20.1dB
180
SD: 0.09dB
150
120
90
60
30
0
19.0
19.5
20.0
20.5
21.0
GAIN SCALING (dB/V)
Figure 7. Gain Scale Factor Histogram (−0.4 V < VGAIN < +0.4 V)
2
1MHz
10MHz
1
70MHz
100MHz
150MHz
0
–1
–2
–3
–4
–0.7 –0.5 –0.3 –0.1
0.1
0.3
0.5
0.7
VGAIN (V)
Figure 5. Gain Error vs. VGAIN at Various Frequencies to VGAx
MEAN: 11.9dB
SD: 0.08dB
80
60
40
20
0
11.7
11.8
11.9
12.0
12.1
GAIN INTERCEPT (dB)
Figure 8. VGA Gain Intercept Histogram
Rev. B | Page 8 of 40
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