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參數(shù)資料
| 型號： | AD812ARZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP DUAL CURR-FDBK 8-SOIC |
| 標準包裝： | 750 |
| 應用： | 電流反饋 |
| 電路數(shù)： | 2 |
| -3db帶寬： | 145MHz |
| 轉換速率： | 1600 V/µs |
| 電流 - 電源： | 4.5mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 2.4 V ~ 36 V，±1.2 V ~ 18 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
AD812
–15–
REV. B
1
10
1000
100
FREQUENCY –MHz
–1
–6
1
0
–2
–3
–4
–5
CLOSED-LOOP
GAIN
–
dB
90
0
–90
–180
–270
PHASE
SHIFT
–
Degrees
3V
5V
PHASE
GAIN
G = +2
RL = 150
VS = 15V
5V
VS = 15V
5V
3V
Figure 47. Closed-Loop Gain and Phase vs. Frequency for
the Line Driver
120
20
50
30
2
40
0
80
60
70
90
100
110
18
16
14
12
10
8
6
4
SUPPLY VOLTAGE –
Volts
–3dB
BANDWIDTH
–
MHz
G = +2
RL = 150
RF = 590
RF = 715
RF = 750
PEAKING
1dB
NO PEAKING
Figure 48. –3 dB Bandwidth vs. Supply Voltage,
Gain = +2, RL = 150
15
0.06
0.02
6
0.04
5
0.08
14
12
11
10
13
9
8
7
SUPPLY VOLTAGE –
Volts
DIFFERENTIAL
PHASE
–
Degrees
0.06
0.02
0.04
DIFFERENTIAL
GAIN
–
%
0
DIFFERENTIAL GAIN
DIFFERENTIAL PHASE
Figure 49. Differential Gain and Phase vs. Supply Voltage,
Gain = +2, RL = 150
–0.1
–0.6
1M
100M
10M
–0.2
–0.3
–0.4
–0.5
0
0.1
NORMALIZED
GAIN
–
dB
100k
FREQUENCY – Hz
0.2
0.3
0.4
G = +2
RL = 150
5V
3V
VS = 15V
5V
Figure 50. Fine-Scale Gain Flatness vs. Frequency,
Gain = +2, RL = 150
1.0
0
–1.0
10
100
–0.2
–0.4
–0.6
–0.8
0.2
0.4
0.6
0.8
GAIN
MATCH
–
dB
1
FREQUENCY – MHz
1000
VS = 3V
RF = 681
G = +2
RL = 150
VS = 15V
RF = 715
Figure 51. Closed-Loop Gain Matching vs. Frequency,
Gain = +2, RL = 150
0
1M
10M
–0.2
–0.4
0.2
0.4
GROUP
DELAY
–
ns
100k
FREQUENCY – Hz
100M
4
2
6
8
DELAY
DELAY MATCHING
0
3V
5V
15V
VS = 3V TO 15V
Figure 52. Group Delay and Group Delay Matching vs.
Frequency, G = +2, RL = 150
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