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參數資料
| 型號： | AD826AN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | High-Speed, Low-Power Dual Operational Amplifier |
| 中文描述： | DUAL OP-AMP, 3000 uV OFFSET-MAX, 20 MHz BAND WIDTH, PDIP8 |
| 封裝： | MINI, PLASTIC, DIP-8 |
| 文件頁數： | 12/14頁 |
| 文件大小： | 231K |
| 代理商： | AD826AN |
REV. B
AD826
–12–
SINGLE-ENDED TO DIFFERENTIAL LINE DRIVER
Outstanding CMRR (> 80 dB @ 5 MHz), high bandwidth, wide
supply voltage range, and the ability to drive heavy loads, make
the AD826 an ideal choice for many line driving applications.
In this application, the AD830 high speed video difference
amp serves as the differential line receiver on the end of a back
terminated, 50 ft., twisted-pair transmission line (see Figure 40).
The overall system is configured in a gain of +1 and has a
–
3 dB
bandwidth of 14 MHz. Figure 39 is the pulse response with a
2 V p-p, 1 MHz signal input.
10
90
100
0%
2V
200ns
2V
Figure 39. Pulse Response
15V
1/2
AD826
0.01 F
2.2 F
1/2
AD826
36
1.05k
5pF
BNC
I
N
–
15V
AD830
V
OUT
50 FEET TWISTED PAIR
Z = 72
36
0.1 F
1.05k
5pF
1.05k
1.05k
0.1 F
0.01 F
2.2 F
36
36
15V
0.01 F
0.1 F
–
15V
0.1 F
0.01 F
Figure 40. Differential Line Driver
LOW DISTORTION LINE DRIVER
The AD826 can quickly be turned into a powerful, low distor-
tion line driver (see Figure 41). In this arrangement the AD826
can comfortably drive a 75
back-terminated cable, with a
5 MHz, 2 V p-p input; all of this while achieving the harmonic
distortion performance outlined in the following table.
Configuration
2nd Harmonic
1. No Load
2. 150
R
L
Only
3. 150
R
L
7.5
R
C
–
78.5 dBm
–
63.8 dBm
–
70.4 dBm
In this application one half of the AD826 operates at a gain of
2.1 and supplies the current to the load, while the other pro-
vides 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 AD826
’
s ability to oper-
ate from low supply voltages. R
C
varies with the load and must
be chosen to satisfy the following equation:
R
C
= MR
L
where
M
is defined by [(M+ 1) G
S
= G
D
] and G
D
= Driver
’
s Gain,
G
S
= System Gain.
1.1k
1k
1k
R
L
1/2
AD826
1/2
AD826
R
C
7.5
1k
75
75
75
V
S
1 F
0.1 F
0.1 F
1 F
Figure 41. Low Distortion Amplifier
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD826ANZ | 功能描述:IC OPAMP VF 50MHZ DUAL LP 8DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數:4 輸出類型:- 轉換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD826ANZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
| AD826AR | 功能描述:IC OPAMP VF 50MHZ DUAL LP 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數:2 輸出類型:- 轉換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
| AD826AR-EBZ | 功能描述:BOARD EVAL FOR AD826AR OPAMP RoHS:是 類別:編程器，開發系統 >> 評估板 - 運算放大器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AD826AR-REEL | 功能描述:IC OPAMP VF 50MHZ DUAL LP 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1 系列:- 放大器類型:通用 電路數:4 輸出類型:滿擺幅 轉換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
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