參數(shù)資料
型號: AD8610BRZ
廠商: Analog Devices Inc
文件頁數(shù): 14/24頁
文件大?。?/td> 0K
描述: IC OPAMP JFET 25MHZ PREC 8SOIC
產(chǎn)品培訓(xùn)模塊: Power Line Monitoring
Top Five Problems in Photodiode Opamp Circuits
設(shè)計資源: Precision, AC Reference Signal Attenuator Using AD5546/56 Multiplying DAC (CN0025)
標準包裝: 1
放大器類型: J-FET
電路數(shù): 1
轉(zhuǎn)換速率: 60 V/µs
增益帶寬積: 25MHz
電流 - 輸入偏壓: 3pA
電壓 - 輸入偏移: 45µV
電流 - 電源: 3mA
電流 - 輸出 / 通道: 45mA
電壓 - 電源,單路/雙路(±): ±5 V ~ 13 V
工作溫度: -40°C ~ 125°C
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-SO
包裝: 管件
產(chǎn)品目錄頁面: 773 (CN2011-ZH PDF)
AD8610/AD8620
Rev. F | Page 21 of 24
High Speed, Low Noise Differential Driver
The AD8620 is a perfect candidate as a low noise differential
driver for many popular ADCs. There are also other applica-
tions (such as balanced lines) that require differential drivers.
The circuit of Figure 70 is a unique line driver widely used in
industrial applications. With ±13 V supplies, the line driver can
deliver a differential signal of 23 V p-p into a 1 kΩ load. The
high slew rate and wide bandwidth of the AD8620 combine to
yield a full power bandwidth of 145 kHz while the low noise
front end produces a referred-to-input noise voltage spectral
density of 6 nV/√Hz. The design is a balanced transmission system
without transformers, where output common-mode rejection of
noise is of paramount importance. Like the transformer-based
design, either output can be shorted to ground for unbalanced
line driver applications without changing the circuit gain of 1.
This allows the design to be easily set to noninverting, inverting,
or differential operation.
3
2
V–
3
2
V–
V+
5
6
V+
1/2 AD8620
U2
AD8610
1/2 AD8620
U3
6
7
0
1
0
02
73
0-
07
0
R3
1k
R4
1k
R13
1k
R5
1k
R6
10k
R7
1k
R1
1k
R12
1k
R2
1k
R10
50
R11
50
R8
1k
R9
1k
VO2
VO1
VO2 – VO1 = VIN
V–
V+
Figure 70. Differential Driver
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