Datasheet AD8057, AD8058 (Analog Devices)

Low Cost, High Performance Voltage Feedback, 325 MHz Amplifier Data Sheet AD8057/ AD8058 FEATURES CONNECTION DIAGRAMS Low cost single (AD8057) and dual (AD8058) AD8057 High speed V 1 5 +V OUT S 325 MHz, −3 dB bandwidth (G = +1) –VS 2 1000 V/μs slew rate
1
3 4 –IN Gain flatness: 0.1 dB to 28 MHz +IN
-00
(Not to Scale)
064
Low noise
01 Figure 1. RT-5 (SOT-23)
7 nV/√Hz Low power AD8057 NC 1 8 NC 5.4 mA/amplifier typical supply current at 5 V –IN 2 7 +VS Low distortion +IN 3 6 VOUT −85 dBc at 5 MHz, RL = 1 kΩ –V 4 5 NC S Wide supply range from 3 V to 12 V (Not to Scale)
002
Small packaging NC = NO CONNECT
01064-
AD8057 is available in an 8-lead SOIC and 5-lead SOT-23
Figure 2. R-8 (SOIC)
AD8058 is available in an 8-lead SOIC and an 8-lead MSOP AD8058 APPLICATIONS OUT1 1 8 +VS Imaging –IN1 2 7 OUT2 DVD/CD +IN1 3 6 –IN2 Photodiode preamp –VS 4 5 +IN2 Analog-to-digital driver
03 0 4-
(Not to Scale) Professional cameras filters
106 0 Figure 3. RM-8 (MSOP) and R-8 (SOIC)
GENERAL DESCRIPTION
The AD8057 (single) and AD8058 (dual) are very high perfor-
5
mance amplifiers with a very low cost. The balance between
4
cost and performance make them ideal for many applications.
3
The AD8057 and AD8058 reduce the need to qualify a variety
2
of specialty amplifiers. The AD8057 and AD8058 are voltage
) 1
feedback amplifiers with the bandwidth and slew rate normally
B d (
found in current feedback amplifiers. The AD8057 and AD8058
0 G = +1 IN
are low power amplifiers having low quiescent current and a wide
GA –1 G = +5
supply range from 3 V to 12 V. They have noise and distortion
–2
performance required for high end video systems as well as dc
–3 G = +2
performance parameters rarely found in high speed amplifiers.
G = +10 –4
The AD8057 and AD8058 are available in standard SOIC
–5
packaging as well as tiny 5-lead SOT-23 (AD8057) and 8-lead
1 10 100 1000
04 0 4-
FREQUENCY (MHz)
06 MSOP (AD8058) packages. These amplifiers are available in the 01 industrial temperature range of −40°C to +85°C. Figure 4. Small Signal Frequency Response
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Document Outline Features Applications Connection Diagrams General Description Table of Contents Revision History Specifications Absolute Maximum Ratings Maximum Power Dissipations ESD Caution Typical Performance Characteristics Test Circuits Applications Information Driving Capacitive Loads Video Filter Differential Analog-to-Digital Driver Layout Outline Dimensions Ordering Guide