AD605 Просмотр технического описания (PDF) - Analog Devices
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AD605 Datasheet PDF : 24 Pages
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AD605
TYPICAL PERFORMANCE CHARACTERISTICS (PER CHANNEL)
VREF = 2.5 V (20 dB/V scaling), f = 1 MHz, RL = 500 Ω, CL = 5 pF, TA = 25°C, VSS = 5 V.
40
40.0
30
–40°C, +25°C, +85°C
20
37.5
THEORETICAL
35.0
32.5 ACTUAL
10
30.0
27.5
0
25.0
–10
22.5
–20
0.1
0.5
0.9
1.3
1.7
2.1
2.5
2.9
VGN (V)
Figure 3. Gain vs. VGN
20.0
1.25
1.50
1.75
2.00
2.25
2.50
VREF (V)
Figure 6. Gain Scaling vs. VREF
50
40
30
FBK (OPEN)
20
10
FBK (SHORT)
0
–10
–20
0.1
0.5
0.9
1.3
1.7
2.1
2.5
2.9
VGN (V)
Figure 4. Gain vs. VGN for Different Gain Ranges
3.0
2.5
2.0
1.5
1.0
–40°C
0.5
0
–0.5
+25°C
–1.0
+85°C
–1.5
–2.0
–2.5
–3.0
0.2
0.7
1.2
1.7
2.2
2.7
VGN (V)
Figure 7. Gain Error vs. VGN at Three Temperatures
40
30
30dB/V
20
(VREF = 1.67V)
10
0
ACTUAL
ACTUAL
20dB/V
(VREF = 2.50V)
–10
–20
0.1
0.5
0.9
1.3
1.7
2.1
2.5
2.9
VGN (V)
Figure 5. Gain vs. VGN for Different Gain Scalings
2.0
1.5
1.0
f = 1MHz
0.5
0
f = 5MHz
–0.5
f = 10MHz
–1.0
–1.5
–2.0
0.2
0.7
1.2
1.7
2.2
2.7
VGN (V)
Figure 8. Gain Error vs. VGN at Three Frequencies
Rev. F | Page 7 of 24
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