AD8055 Low Cost, Single, 300 MHz Voltage Feedback Amplifier

The AD8055 (single) voltage feedback amplifier offers bandwidth and slew rate typically found in current feedback amplifiers. Additionally, this amplifier is easy to use and available at a very low cost.

Despite its low cost, the AD8055 provides excellent overall performance. For video applications, its differential gain and phase error is 0.01% and 0.02° into a 150 W load, and 0.02% and 0.1° while driving four video loads (37.50 W).

Its 0.1 dB flatness out to 40 MHz, wide bandwidth out to 300 MHz, along with 1400 V/µs slew rate and 20 ns settling time, make them useful for a variety of high-speed applications.

The AD8055 requires only 5 mA typ/amplifier of supply current and operates on a dual ±5 V or single +12 V power supply, while capable of delivering over 60 mA of load current. The AD8055 is available in a small 8-lead PDIP, 8-lead SOIC, and 5-lead SOT-23 packages. These features make the AD8055 ideal for portable and battery powered applications where size and power are critical. This amplifier in the R-8, N-8 and RM-8 packages are available in the extended temperature range of -40°C to +125°C.

AD8055 (Single) PDIP-8, SOIC-8 and SOT-23-5

AD8056 (Dual) PDIP-8, SOIC-8 and MSOP-8

Features and Benefits

Low cost

Easy to use voltage feedback architecture

High speed
300 MHz, -3 dB bandwidth (G = +1)
1400 V/µs slew rate
20 ns settling to 0.1%
Low distortion: -72 dBc @ 10 MHz
Low noise: 6 nV/√Hz
Low dc rrrors: 5mV max VOS, 1.2 µA max IB

Small packaging

High output drive current: over 60 mA

Excellent video specifications

(R_L = 150 Ω, G = +2)
Gain flatness 0.1 dB to 40 MHz
0.01% differential gain error
0.02° differential phase error

Drives 4 video loads (37.5 V) with 0.02% differential gain and 0.1° differential phase

Low power, ±5 V supplies 5 mA typ/amplifier power supply current

Amplifiers

Audio & Video Products

Video Amplifiers & Analog Video Functions

SPICE Models

AD8055 SPICE Macro-Model .CIR

Data Sheets

Document	note
AD8055/AD8056: Low Cost, 300 MHz Voltage Feedback Amplifiers Data Sheet (Rev. J)	PDF 296 kB

Application Notes

Document	note
AN-402: Replacing Output Clamping Op Amps with Input Clamping Amps	PDF 55 kB
AN-581: Biasing and Decoupling Op Amps in Single Supply Applications (Rev. 0)	PDF 166 kB
AN-417: Fast Rail-to-Rail Operational Amplifiers Ease Design Constraints in Low Voltage High Speed Systems	PDF 228 kB
AN-649: Using the Analog Devices Active Filter Design Tool (Rev. 0)	PDF 5.3 M

User Guides

Document	note
UG-838: Evaluation Board for Single, High Speed Op Amps Offered in 5-Lead SOT-23 and 6-Lead SOT-23 Packages	PDF 184.4 K
UG-755: 8-Lead SOIC Amplifier Evaluation Board User Guide	PDF 276 K

Order Information

Part Number	Package	Packing Qty	Temp Range	Price 100-499	Price 1000+	RoHS
AD8055ANZ Production	8 ld PDIP	OTH 50	-40 to 125C	1.11	0.95	Y
AD8055ART-REEL7 Production	5 ld SOT-23	REEL 3000	-40 to 85C	0	1	N
AD8055ARTZ-R2 Production	5 ld SOT-23	REEL 250	-40 to 85C	1.39	1.39	Y
AD8055ARTZ-REEL7 Production	5 ld SOT-23	REEL 3000	-40 to 85C	0	0.86	Y
AD8055ARZ Production	8 ld SOIC	OTH 98	-40 to 125C	1.01	0.86	Y
AD8055ARZ-REEL Production	8 ld SOIC	REEL 2500	-40 to 125C	0	0.86	Y
AD8055ARZ-REEL7 Production	8 ld SOIC	REEL 1000	-40 to 125C	1.01	0.86	Y

Evaluation Boards

Part Number	Description	Price	RoHS
EVAL-HSOPAMP-1CPZ	Evaluation Board for 8-LD LFCSP	18.25	Y
EVAL-HSOPAMP-1KSZ	Evaluation Bare Board for 5 and 6-lead SC70 Package	18.25	Y
EVAL-HSOPAMP-1RJZ	Evaluation Bare Board for SOT-23 Package	18.25	Y
EVAL-HSOPAMP-1RZ	Evaluation Bare Board for 8-lead SOIC Package	18.25	Y
EVAL-HSOPAMP-E-1RZ	Evaluation Bare Board for 8 Lead SOIC dedicated feedback with epad connection	18.25	Y
EVAL-HSOPAMP-N-1RZ	Evaluation Bare Board for 8 Lead SOIC w/Null or Compensation functionality on Pins 1 and or 8	18.25	Y