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參數(shù)資料
| 型號： | AD828ARZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO OPAMP DUAL LP 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 750 |
| 應(yīng)用： | 電壓反饋 |
| 電路數(shù)： | 2 |
| -3db帶寬： | 130MHz |
| 轉(zhuǎn)換速率： | 450 V/µs |
| 電流 - 電源： | 14mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 36 V，±2.5 V ~ 18 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
C00879–0–6/02(C)
PRINTED
IN
U.S.A.
–12–
AD828
REV. C
Revision History
Location
Page
6/02–Data Sheet changed from REV. B to REV. C.
Renumbered Figures and TPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Global
Changes to Figure 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
LOW DISTORTION LINE DRIVER
The AD828 can quickly be turned into a powerful, low distor-
tion line driver (see Figure 10). In this arrangement, the AD828
can comfortably drive a 75
back-terminated cable with a
5 MHz, 2 V p-p input, while achieving the harmonic distortion
performance outlined in the following table.
Configuration
2nd Harmonic
1. No Load
–78.5 dBm
2. 150
R
L Only
–63.8 dBm
3. 150
R
L 7.5
R
C
–70.4 dBm
In this application, one half of the AD828 operates at a gain of +2.1
and supplies the current to the load, while the other provides the
overall system gain of +2. This is important for two reasons: the
first is to keep the bandwidth of both amplifiers the same, and
the second is to preserve the AD828’s ability to operate from low
supply voltage. RC varies with the load and must be chosen to
satisfy the following equation:
RC = MRL
where M is defined by [(M + 1) GS = GD] and GD = Driver’s
Gain, GS = System Gain.
+VS
1.1k
RL
RC
7.5
75
0.1 F
1/2
AD828
1
8
1 F
1k
–VS
1k
VIN
1/2
AD828
6
5
7
1k
0.1 F
1 F
4
3
2
Figure 10. Low Distortion Amplifier
OUTLINE DIMENSIONS
8-Lead Plastic Dual-in-Line Package [PDIP]
(N-8)
Dimensions shown in inches and (millimeters)
SEATING
PLANE
0.0598 (1.52)
0.0150 (0.38)
0.2098
(5.33)
MAX
0.0220 (0.56)
0.0142 (0.36)
0.1598 (4.06)
0.1154 (2.93)
0.0697 (1.77)
0.0453 (1.15)
0.1299
(3.30)
MIN
8
1
4
5
PIN 1
0.2799 (7.11)
0.2402 (6.10)
0.1000 (2.54)
BSC
0.4299 (10.92)
0.3480 (8.84)
0.1949 (4.95)
0.1154 (2.93)
0.0150 (0.38)
0.0079 (0.20)
0.3248 (8.25)
0.3000 (7.62)
8-Lead Standard Small Outline Package [SOIC]
(R-8)
Dimensions shown in millimeters and (inches)
0.25 (0.0098)
0.19 (0.0075)
1.27 (0.0500)
0.41 (0.0160)
0.50 (0.0196)
0.25 (0.0099)
45
8
0
1.75 (0.0688)
1.35 (0.0532)
SEATING
PLANE
0.25 (0.0098)
0.10 (0.0040)
85
4
1
5.00 (0.1968)
4.80 (0.1890)
PIN 1
0.1574 (4.00)
0.1497 (3.80)
1.27 (0.0500)
BSC
6.20 (0.2440)
5.80 (0.2284)
0.51 (0.0201)
0.33 (0.0130)
COPLANARITY
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
COMPLIANT TO JEDEC STANDARDS MS-012 AA
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