ANALOG DEVICES AD8092 Service Manual

–V

V

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Low Cost, High Speed

FEATURES

Low cost single (AD8091) and dual (AD8092) amplifiers Fully specified at +3 V, +5 V, and ±5 V supplies Single-supply operation

Output swings to within 25 mV of either rail

High speed and fast settling on 5 V

110 MHz, −3 dB bandwidth (G = +1) 145 V/μs slew rate 50 ns settling time to 0.1%

Good video specifications (G = +2)

Gain flatness of 0.1 dB to 20 MHz; R

0.03% differential gain error; RL = 1 kΩ

0.03%differential phase error; R

Low distortion

−80 dBc total harmonic @ 1 MHz; RL = 100 Ω

Outstanding load drive capability

Drives 45 mA, 0.5 V from supply rails Drives 50 pF capacitive load (G = +1)

Low power of 4.4 mA per amplifier

APPLICATIONS

Coaxial cable drivers Active filters Video switchers Professional cameras CCD imaging systems CDs/DVDs

Clock buffers

= 150 Ω

L

= 1 kΩ

L

Rail-to-Rail Amplifiers

AD8091/AD8092

CONNECTION DIAGRAMS

NC

1

AD8091

–IN

2

+IN

3

4

S

NC = NO CONNECT

Figure 1. SOIC-8 (R-8)

AD8091

1

OUT

–V

2

S

+IN

3

Figure 2. SOT23-5 (RJ-5)

OUT1

–IN1

+IN1

–V

Figure 3. MSOP-8 and SOIC-8 (RM-8, R-8)

AD8092

1

2

3

4

S

NC = NO CONNECT

NC

8

+V

7

S

V

6

OUT

NC

5

2859-001

5

+V

S

–IN

4

2859-003

+V

8

S

OUT

7

6

–IN2

5

+IN2

02859-002

GENERAL DESCRIPTION

The AD8091 (single) and AD8092 (dual) are low cost, voltage feedback, high speed amplifiers designed to operate on +3 V, +5 V, or ±5 V supplies. The AD8091/AD8092 have true singlesupply capability, with an input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail.

Despite their low cost, the AD8091/AD8092 provide excellent

verall performance and versatility. The output voltage swing

o extends to within 25 mV of each rail, providing the maximum output dynamic range with excellent overdrive recovery. This makes the AD8091/AD8092 useful for video electronics, such as cameras, video switchers, or any high speed portable equipment. Low distortion and fast settling make them ideal for active filter applications.

Rev. C

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Anal og Devices for its use, nor for any infringements of patents or ot her rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners.

The AD8091/AD8092 offer a low power supply current and can o

perate on a single 3 V power supply. These features are ideally suited for portable and battery-powered applications where size and power are critical.

The wide bandwidth and fast slew rate make these amplifiers us

eful in many general-purpose, high speed applications where dual power supplies of up to ±6 V and single supplies from +3 V to +12 V are needed.

This low cost performance is offered in an 8-lead SOIC (AD8091/AD80

92), a tiny SOT23-5 (AD8091), and an MSOP

(AD8092).

AD8091/AD8092

www.BDTIC.com/ADI

REVISION HISTORY

9/07—Rev. B to Rev. C

Changes to Applications Section .................................................... 1

Updated Outline Dimensions....................................................... 16

C

hanges to Ordering Guide.......................................................... 17

3/05—Rev. A to Rev. B

hanges to Format .............................................................Universal

C

Changes to Features.......................................................................... 1

Updated Outline Dimensions....................................................... 17

Changes to Ordering Guide.......................................................... 18

5/02–Rev. 0 to Rev. A

E

dits to Product Description .......................................................... 1

Edit to TPC 6 .................................................................................... 7

Edits to TPCs 21–24....................................................................... 10

Edits to Figure 3.............................................................................. 11

2/02—Revision 0: Initial Version

Power Supply Bypassing ............................................................ 12

Grounding................................................................................... 12

Input Capacitance ...................................................................... 12

Input-to-Output Coupling........................................................ 12

Driving Capacitive Loads.............................................................. 13

Overdrive Recovery ................................................................... 13

Active Filters ............................................................................... 13

Sync Stripper............................................................................... 14

Single-Supply Composite Video Line Driver ......................... 14

Outline Dimensions....................................................................... 16

Ordering Guide .......................................................................... 17

Rev. C | Page 2 of 20

AD8091/AD8092

www.BDTIC.com/ADI

SPECIFICATIONS

TA = 25°C, VS = 5 V, RL = 2 kΩ to 2.5 V, unless otherwise noted.

Table 1.

Parameter Conditions Min Typ Max Unit

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth G = +1, VO = 0.2 V p-p 70 110 MHz G = −1, +2, VO = 0.2 V p-p 50 MHz Bandwidth for 0.1 dB Flatness

G = +2, V R

L

= 0.2 V p-p,

O

= 150 Ω to 2.5 V, RF = 806 Ω Slew Rate G = −1, VO = 2 V step 100 145 V/μs Full Power Response G = +1, VO = 2 V p-p 35 MHz Settling Time to 0.1% G = −1, VO = 2 V step 50 ns

NOISE/DISTORTION PERFORMANCE

Total Harmonic Distortion (See Figure 11) fC = 5 MHz, VO = 2 V p-p, G = +2 −67 dB Input Voltage Noise f = 10 kHz 16 nV/√Hz Input Current Noise f = 10 kHz 850 fA/√Hz Differential Gain Error (NTSC) G = +2, RL = 150 Ω to 2.5 V 0.09 % R

= 1 kΩ to 2.5 V 0.03 %

L

Differential Phase Error (NTSC) G = +2, RL = 150 Ω to 2.5 V 0.19 Degrees R

= 1 kΩ to 2.5 V 0.03 Degrees

L

Crosstalk f = 5 MHz, G = +2 −60 dB

DC PERFORMANCE

Input Offset Voltage 1.7 10 mV T

MIN

to T

25 mV

MAX

Offset Drift 10 μV/°C Input Bias Current 1.4 2.5 μA T

MIN

to T

3.25 μA

MAX

Input Offset Current 0.1 0.75 μA Open-Loop Gain RL = 2 kΩ to 2.5 V 86 98 dB T R T

to T

MIN

= 150 Ω to 2.5 V 76 82 dB

L

MIN

96 dB

MAX

to T

78 dB

MAX

INPUT CHARACTERISTICS

Input Resistance 290 kΩ Input Capacitance 1.4 pF Input Common-Mode Voltage Range −0.2 to +4 V Common-Mode Rejection Ratio VCM = 0 V to 3.5 V 72 88 dB

OUTPUT CHARACTERISTICS

Output Voltage Swing RL = 10 kΩ to 2.5 V 0.015 to 4.985 V R R Output Current V T

= 2 kΩ to 2.5 V 0.100 to 4.900 0.025 to 4.975 V

L

= 150 Ω to 2.5 V 0.300 to 4.625 0.200 to 4.800 V

L

= 0.5 V to 4.5 V 45 mA

OUT

to T

MIN

45 mA

MAX

Short-Circuit Current Sourcing 80 mA Sinking 130 mA Capacitive Load Drive G = +1 50 pF

POWER SUPPLY

Operating Range 3 12 V Quiescent Current/Amplifier 4.4 5 mA Power Supply Rejection Ratio ΔVS = ±1 V 70 80 dB

OPERATING TEMPERATURE RANGE −40 +85 °C

20 MHz

Rev. C | Page 3 of 20

AD8091/AD8092

www.BDTIC.com/ADI

TA = 25°C, VS = +3 V, RL = 2 kΩ to +1.5 V, unless otherwise noted.

Table 2.

Parameter Conditions Min Typ Max Unit

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth G = +1, VO = 0.2 V p-p 70 110 MHz G = −1, +2, VO = 0.2 V p-p 50 MHz Bandwidth for 0.1 dB Flatness

G = +2, V R

L

= 0.2 V p-p,

O

= 150 Ω to 2.5 V, RF = 402 Ω Slew Rate G = −1, VO = 2 V step 90 135 V/μs Full Power Response G = +1, VO = 1 V p-p 65 MHz Settling Time to 0.1% G = −1, VO = 2 V step 55 ns

NOISE/DISTORTION PERFORMANCE

Total Harmonic Distortion (see Figure 11)

= 5 MHz, VO = 2 V p-p, G = −1,

f

C

R

= 100 Ω to 1.5 V

L

Input Voltage Noise f = 10 kHz 16 nV/√Hz Input Current Noise f = 10 kHz 600 fA/√Hz Differential Gain Error (NTSC) G = +2, VCM = 1 V R R

= 150 Ω to 1.5 V 0.11 %

L

= 1 kΩ to 1.5 V 0.09 %

L

Differential Phase Error (NTSC) G = +2, VCM = 1 V R R

= 150 Ω to 1.5 V 0.24 Degrees

L

= 1 kΩ to 1.5 V 0.10 Degrees

L

Crosstalk f = 5 MHz, G = +2 −60 dB

DC PERFORMANCE

Input Offset Voltage 1.6 10 mV T

MIN

to T

25 mV

MAX

Offset Drift 10 μV/°C Input Bias Current 1.3 2.6 μA T

MIN

to T

3.25 μA

MAX

Input Offset Current 0.15 0.8 μA Open-Loop Gain RL = 2 kΩ 80 96 dB T R T

to T

MIN

= 150 Ω 74 82 dB

L

MIN

94 dB

MAX

to T

76 dB

MAX

INPUT CHARACTERISTICS

Input Resistance 290 kΩ Input Capacitance 1.4 pF Input Common-Mode Voltage Range −0.2 to +2.0 V Common-Mode Rejection Ratio VCM = 0 V to 1.5 V 72 88 dB

OUTPUT CHARACTERISTICS

Output Voltage Swing RL = 10 kΩ to 1.5 V 0.01 to 2.99 V R R Output Current V T

= 2 kΩ to 1.5 V 0.075 to 2.9 0.02 to 2.98 V

L

= 150 Ω to 1.5 V 0.20 to 2.75 0.125 to 2.875 V

L

= 0.5 V to 2.5 V 45 mA

OUT

to T

MIN

45 mA

MAX

Short Circuit Current Sourcing 60 mA Sinking 90 mA Capacitive Load Drive G = +1 45 pF

POWER SUPPLY

Operating Range 3 12 V Quiescent Current/Amplifier 4.2 4.8 mA Power Supply Rejection Ratio ΔVS = +0.5 V 68 80 dB

OPERATING TEMPERATURE RANGE −40 +85 °C

17 MHz

−47 dB

Rev. C | Page 4 of 20

AD8091/AD8092

www.BDTIC.com/ADI

TA = 25°C, VS = ±5 V, RL = 2 kΩ to ground, unless otherwise noted.

Table 3.

Parameter Conditions Min Typ Max Unit

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth G = +1, VO = 0.2 V p-p 70 110 MHz G = −1, +2, VO = 0.2 V p-p 50 MHz Bandwidth for 0.1 dB Flatness

G = +2, V

= 150 Ω, RF = 1.1 kΩ

R

L

= 0.2 V p-p,

O

Slew Rate G = −1, VO = 2 V step 105 170 V/μs Full Power Response G = +1, VO = 2 V p-p 40 MHz Settling Time to 0.1% G = −1, VO = 2 V step 50 ns

NOISE/DISTORTION PERFORMANCE

Total Harmonic Distortion (see Figure 11) fC = 5 MHz, VO = 2 V p-p, G = +2 −71 dB Input Voltage Noise f = 10 kHz 16 nV/√Hz Input Current Noise f = 10 kHz 900 fA/√Hz Differential Gain Error (NTSC) G = +2, RL = 150 Ω 0.02 % R

= 1 kΩ 0.02 %

L

Differential Phase Error (NTSC) G = +2, RL = 150 Ω 0.11 Degrees R

= 1 kΩ 0.02 Degrees

L

Crosstalk f = 5 MHz, G = +2 −60 dB

DC PERFORMANCE

Input Offset Voltage 1.8 11 mV T

MIN

to T

27 mV

MAX

Offset Drift 10 μV/°C Input Bias Current 1.4 2.6 μA T

MIN

to T

3.5 μA

MAX

Input Offset Current 0.1 0.75 μA Open-Loop Gain RL = 2 kΩ 88 96 dB T R T

to T

MIN

= 150 Ω 78 82 dB

L

MIN

96 dB

MAX

to T

80 dB

MAX

INPUT CHARACTERISTICS

Input Resistance 290 kΩ Input Capacitance 1.4 pF Input Common-Mode Voltage Range −5.2 to +4.0 V Common-Mode Rejection Ratio VCM = −5 V to +3.5 V 72 88 dB

OUTPUT CHARACTERISTICS

Output Voltage Swing RL = 10 kΩ −4.98 to +4.98 V R R Output Current V T

= 2 kΩ −4.85 to +4.85 −4.97 to +4.97 V

L

= 150 Ω −4.45 to +4.30 −4.60 to +4.60 V

L

= −4.5 V to +4.5 V 45 mA

OUT

to T

MIN

45 mA

MAX

Short Circuit Current Sourcing 100 mA Sinking 160 mA Capacitive Load Drive G = +1 (AD8091/AD8092) 50 pF

POWER SUPPLY

Operating Range 3 12 V Quiescent Current/Amplifier 4.8 5.5 mA Power Supply Rejection Ratio ΔVS = ±1 V 68 80 dB

OPERATING TEMPERATURE RANGE −40 +85 °C

20 MHz

Rev. C | Page 5 of 20

AD8091/AD8092

www.BDTIC.com/ADI

ABSOLUTE MAXIMUM RATINGS

Table 4.

Parameter Rating

Supply Voltage 12.6 V Power Dissipation See Figure 4 Common-Mode Input Voltage ±V Differential Input Voltage ±2.5 V Output Short-Circuit Duration See Figure 4 Storage Temperature Range −65°C to +125°C Operating Temperature Range −40°C to +85°C Lead Temperature (Soldering 10 sec) 300°C

S

Stresses above those listed under Absolute Maximum Ratings ma

y cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

ESD CAUTION

Rev. C | Page 6 of 20

ANALOG DEVICES AD8092 Service Manual

FEATURES

APPLICATIONS

CONNECTION DIAGRAMS

GENERAL DESCRIPTION

TABLE OF CONTENTS

REVISION HISTORY

SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

ESD CAUTION