AD8005AR Analog Devices Inc, AD8005AR Datasheet

IC OPAMP CF ULP LDIST 10MA 8SOIC

AD8005AR

Manufacturer Part Number
AD8005AR
Description
IC OPAMP CF ULP LDIST 10MA 8SOIC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD8005AR

Rohs Status
RoHS non-compliant
Amplifier Type
Current Feedback
Number Of Circuits
1
Slew Rate
1500 V/µs
-3db Bandwidth
270MHz
Current - Input Bias
5µA
Voltage - Input Offset
5000µV
Current - Supply
400µA
Current - Output / Channel
10mA
Voltage - Supply, Single/dual (±)
4 V ~ 12 V, ±2 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Output Type
-
Gain Bandwidth Product
-

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a
REV. A
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
PRODUCT DESCRIPTION
The AD8005 is an ultralow power, high-speed amplifier with a
wide signal bandwidth of 170 MHz and slew rate of 280 V/ s.
This performance is achieved while consuming only 400 A of
quiescent supply current. These features increase the operating
time of high-speed battery-powered systems without reducing
dynamic performance.
Figure 1. Frequency Response; G = +2, V
FEATURES
Ultralow Power
High Speed
Low Distortion/Noise
Good Video Specifications (R
APPLICATIONS
Signal Conditioning
A/D Buffer
Power-Sensitive, High-Speed Systems
4.0 nV/ Hz Input Voltage Noise @ 10 MHz
400 A Power Supply Current (4 mW on
Specified for Single Supply Operation
270 MHz, –3 dB Bandwidth (G = +1)
170 MHz, –3 dB Bandwidth (G = +2)
280 V/ s Slew Rate (G = +2)
28 ns Settling Time to 0.1%, 2 V Step (G = +2)
–63 dBc @ 1 MHz, V
–50 dBc @ 10 MHz, V
Gain Flatness 0.1 dB to 30 MHz
0.11% Differential Gain Error
0.4 Differential Phase Error
Battery Powered Equipment
Loop/Remote Power Systems
Communication or Video Test Systems
Portable Medical Instruments
–1
–2
–3
–4
–5
–6
3
2
1
0
0.1
G = +2
V
R
OUT
L
= 1k
= 200mV p-p
1
FREQUENCY – MHz
O
O
= 2 V p-p
= 2 V p-p
10
L
= 1 k , G = +2)
V
S
= +5V
100
S
V
= +5 V or 5 V
S
= ±5V
5 V
500
S
)
The current feedback design results in gain flatness of 0.1 dB
to 30 MHz while offering differential gain and phase errors of
0.11% and 0.4 . Harmonic distortion is low over a wide
bandwidth with THDs of –63 dBc at 1 MHz and –50 dBc at
10 MHz. Ideal features for a signal conditioning amplifier or
buffer to a high-speed A-to-D converter in portable video,
medical or communication systems.
The AD8005 is characterized for +5 V and
will operate over the industrial temperature range of –40 C to
+85 C. The amplifier is supplied in 8-lead plastic DIP, 8-lead
SOIC and 5-lead SOT-23 packages.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
Current Feedback Amplifier
–100
Figure 2. Distortion vs. Frequency; V
–40
–50
–60
–70
–80
–90
1
FUNCTIONAL BLOCK DIAGRAM
G = +2
V
R
OUT
L
8-Lead Plastic DIP and SOIC
= 1k
= 2V p-p
–V
+IN
–IN
NC
S
World Wide Web Site: http://www.analog.com
OUT
5-Lead SOT-23
–V
+IN
NC = NO CONNECT
1
2
3
4
S
FREQUENCY – MHz
1
2
3
270 MHz, 400 A
AD8005
AD8005
2ND
3RD
5
4
8
7
6
5
+V
–IN
© Analog Devices, Inc., 1999
NC
+V
OUT
NC
S
S
AD8005
10
5 V supplies and
2ND
S
3RD
= 5 V
20

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AD8005AR Summary of contents

Page 1

FEATURES Ultralow Power 400 A Power Supply Current ( Specified for Single Supply Operation High Speed 270 MHz, –3 dB Bandwidth (G = +1) 170 MHz, –3 dB Bandwidth (G = +2) 280 V/ s Slew Rate ...

Page 2

AD8005–SPECIFICATIONS 5 V SUPPLIES (@ Parameter DYNAMIC PERFORMANCE –3 dB Small Signal Bandwidth Bandwidth for 0.1 dB Flatness Large Signal Bandwidth Slew Rate (Rising Edge) Settling Time to 0.1% DISTORTION/NOISE PERFORMANCE Total Harmonic Distortion ...

Page 3

V SUPPLY (@ Parameter DYNAMIC PERFORMANCE –3 dB Small Signal Bandwidth Bandwidth for 0.1 dB Flatness Large Signal Bandwidth Slew Rate (Rising Edge) Settling Time to 0.1% DISTORTION/NOISE ...

Page 4

... AD8005AN AD8005AR AD8005AR-REEL AD8005ART-REEL AD8005AR-REEL7 AD8005ART-REEL7 CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD8005 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality ...

Page 5

200mV p-p OUT – +10 – 499 F –3 –4 – FREQUENCY – MHz Figure 4. Frequency Response; ...

Page 6

AD8005–Typical Characteristics – p-p –50 OUT 3RD –60 –70 2ND –80 –90 –100 1 FREQUENCY – MHz Figure 10. Distortion vs. Frequency; V MIN = –0.06 MAX = 0.03 p-p/MAX ...

Page 7

– – –20 –25 –30 –35 –40 –45 –50 –55 0.03 0.1 1 FREQUENCY – MHz Figure 16. CMRR vs. Frequency +5V AND ...

Page 8

AD8005–Typical Characteristics PROBE 0.01 F 0.01 F PROBE : TEK P6137 C = 10pF NOMINAL LOAD Figure 22. Test Circuit + Package 2.49 ...

Page 9

APPLICATIONS Driving Capacitive Loads Capacitive loads interact with an op amp’s output impedance to create an extra delay in the feedback path. This reduces circuit stability, and can cause unwanted ringing and oscilla- tion. A given value of capacitance causes ...

Page 10

AD8005 Single-Ended-to-Differential Conversion Many single supply ADCs have differential inputs. In such cases, the ideal common-mode operating point is usually halfway between supply and ground. Figure 31 shows how to convert a single-ended bipolar signal into a differential signal with ...

Page 11

Increasing Feedback Resistors Unlike conventional voltage feedback op amps, the choice of feed- back resistor has a direct impact on the closed-loop bandwidth and stability of a current feedback op amp circuit. Reducing the resistance below the recommended value makes ...

Page 12

AD8005 0.0669 (1.70) 0.0590 (1.50) 0.0512 (1.30) 0.0354 (0.90) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) 0.300 (7.62) 0.060 (1.52) PIN ...

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