Datasheet AD8017 (Analog Devices)

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Dual High Output Current, High Speed Amplifier AD8017 FEATURES PIN CONFIGURATION High Output Drive Capability 8-Lead Thermal Coastline SOIC (SO-8) 20 V p-p Differential Output Voltage, RL = 50
⍀
10 V p-p Single-Ended Output Voltage While AD8017 OUT1 1 8 +V Delivering 200 mA to a 25 S
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Load –IN1 2 7 Low Power Operation – OUT2 + 5 V to 12 V Voltage Supply @ 7 mA/Amplifier +IN1 3 6 – –IN2 Low Distortion –V 4 + 5 S +IN2 –78 dBc @ 500 kHz SFDR, RL = 100
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, VO = 2 V p-p –58 dBc Highest Harmonic @ 1 MHz, IO = 270 mA (RL = 10
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) High Speed 160 MHz, –3 dB Bandwidth (G = +2) 1600 V/
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s Slew Rate APPLICATIONS xDSL PCI Cards Consumer DSL Modems Line Driver 12 Video Distribution VS =
ⴞ
6V 10 V p-p – 8 6 PRODUCT DESCRIPTION
The AD8017 is a low cost, dual high speed amplifier capable of
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driving low distortion signals to within 1.0 V of the supply rail. It is intended for use in single supply xDSL systems where low
VS =
ⴞ
2.5V OUTPUT VOLTAGE SWING 2
distortion and low cost are essential. The amplifiers will be able to drive a minimum of 200 mA of output current per amplifier.
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The AD8017 will deliver –78 dBc of SFDR at 500 kHz, required
1 10 100 1000
for many xDSL applications.
LOAD RESISTANCE –
⍀ Fabricated in ADI’s high speed XFCB process, the high bandwidth Figure 1. Output Swing vs. Load Resistance and fast slew rate of the AD8017 keep distortion to a minimum, while dissipating a minimum amount of power. The quiescent current of the AD8017 is 7 mA/amplifier.
+VS
Low distortion, high output voltage drive, and high output current
+ R1
drive make the AD8017 ideal for use in low cost Customer Premise
+
End (CPE) equipment for ADSL, SDSL, VDSL and proprietary xDSL systems.
RL = 100
⍀
LINE VIN VREF VOUT OR POWER
The AD8017 drive capability comes in a very compact form.
135 IN dB
⍀ Utilizing ADI’s proprietary Thermal Coastline SOIC package,
R2
the AD8017’s total (static and dynamic) power on 12 V supplies
– – NP:NS
is easily dissipated without external heat sink, other than to place
TRANSFORMER –VS
the AD8017 on a 4-layer PCB. The AD8017 will operate over the commercial temperature Figure 2. Differential Drive Circuit for xDSL Applications range –40°C to +85°C. REV. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that
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may result from its use. No license is granted by implication or otherwise
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under any patent or patent rights of Analog Devices.
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