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參數資料
| 型號： | AD8370-EVAL |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | LF to 750 MHz Digitally Controlled VGA |
| 中文描述： | LF到750兆赫數字控制VGA |
| 文件頁數： | 8/28頁 |
| 文件大小： | 1043K |
| 代理商： | AD8370-EVAL |
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AD8370
Rev. 0 | Page 8 of 28
–8
–4
0
4
8
12
16
20
O
0
20
40
60
80
100
120
140
GAIN CODE
0
SHADING INDICATES ±3
σ
FROM THE
MEAN. DATA BASED ON 30 PARTS
FROM TWO BATCH LOTS.
UNIT CONVERSION NOTE:
FOR 100
LOAD: dBVrms = dBm–10dB
FOR 1k
LOAD: dBVrms = dBm
LOW GAIN MODE
LOW GAIN MODE
HIGH GAIN MODE
100
LOAD
1k
LOAD
HIGH GAIN MODE
Figure 10. Output P1dB vs. Gain Code at 70 MHz
–85
–80
–75
–70
–65
–60
–55
O
0
20
40
60
80
100
120
140
GAIN CODE
0
SHADING INDICATES ±3
σ
FROM THE
MEAN. DATA BASED ON 30 PARTS
FROM TWO BATCH LOTS.
LOW GAIN MODE
HIGH GAIN
MODE
Figure 11. Two-Tone Output IMD3 vs. Gain Code at 70 MHz, R
L
= 1 k,
V
OUT
= 1 V p-p Composite Differential
–2.0
–1.5
–1.0
–0.5
0
0.5
G
1.0
1.5
2.0
FREQUENCY (MHz)
10
100
1000
0
–40°C
+85°C
ERROR AT –40°C AND +85°C WITH RESPECT TO 25°C.
SHADING INDICATES ±3
σ
FROM THE MEAN. DATA
BASED ON 30 PARTS FROM ONE BATCH LOT.
Figure 12. Gain Error over Temperature vs. Frequency, R
L
= 100
6
8
10
12
14
16
18
20
O
4
6
8
10
12
14
16
18
O
200
150
50
100
0
250
300
350
400
FREQUENCY (MHz)
0
SHADING INDICATES ±3
σ
FROM
THE MEAN. DATA BASED ON 30
PARTS FROM TWO BATCH LOTS.
UNIT CONVERSION NOTE:
RE 100
LOAD: dBVrms = dBm – 10dB
RE 1k
LOAD: dBVrms = dBm
+25°C, 100
LOAD
+25°C, 1k
LOAD
+85°C, 100
LOAD
+85°C, 1k
LOAD
–40°C, 100
LOAD
–40°C, 1k
LOAD
Figure 13. Output P1dB vs. Frequency
–94
–92
–88
–80
–76
–72
–70
–68
–84
–90
–82
–78
–74
–86
O
–86
–84
–80
–72
–68
–64
–62
–60
–76
–82
–74
–70
–66
–78
O
200
150
50
100
0
250
300
350
400
FREQUENCY (MHz)
0
SHADING INDICATES ±3
σ
FROM
THE MEAN. DATA BASED ON 30
PARTS FROM TWO BATCH LOTS.
+25°C
+85°C
–40°C
Figure 14. Two-Tone Output IMD3 vs. Frequency at Maximum Gain,
R
L
= 1 k, V
OUT
= 1 V p-p Composite Differential
–2.0
–1.5
–1.0
–0.5
0
0.5
G
1.0
1.5
2.0
FREQUENCY (MHz)
10
100
1000
0
ERROR AT –40°C AND +85°C WITH RESPECT TO 25°C.
SHADING INDICATES ±3
σ
FROM THE MEAN. DATA
BASED ON 30 PARTS FROM ONE BATCH LOT.
–40°C
+85°C
Figure 15. Gain Error over Temperature vs. Frequency, R
L
= 1 k
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