AD847AQ Analog Devices Inc, AD847AQ Datasheet

Amplifier IC

AD847AQ

Manufacturer Part Number
AD847AQ
Description
Amplifier IC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD847AQ

Mounting Type
Through Hole
Package / Case
8-CDIP
Rohs Status
RoHS non-compliant
Amplifier Type
General Purpose
Number Of Circuits
1
Slew Rate
300 V/µs
Gain Bandwidth Product
50MHz
Current - Input Bias
3.3µA
Voltage - Input Offset
500µV
Current - Supply
5.3mA
Current - Output / Channel
32mA
Voltage - Supply, Single/dual (±)
±4.5 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Output Type
-
-3db Bandwidth
-
Lead Free Status / RoHS Status

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a
PRODUCT DESCRIPTION
The AD847 represents a breakthrough in high speed amplifiers
offering superior ac & dc performance and low power, all at low
cost. The excellent dc performance is demonstrated by its 5 V
REV. F
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.
FEATURES
Superior Performance
Excellent DC Performance
Specified for
Available in a Wide Variety of Options
Dual Version Available: AD827 (8 Lead)
Enhanced Replacement for LM6361
Replacement for HA2544, HA2520/2/5 and EL2020
APPLICATIONS
Video Instrumentation
Imaging Equipment
Copiers, Fax, Scanners, Cameras
High Speed Cable Driver
High Speed DAC and Flash ADC Buffers
High Unity Gain BW: 50 MHz
Low Supply Current: 5.3 mA
High Slew Rate: 300 V/ s
Excellent Video Specifications
Drives Any Capacitive Load
Fast Settling Time to 0.1% (10 V Step): 65 ns
High Open-Loop Gain 5.5 V/mV (R
Low Input Offset Voltage: 0.5 mV
0.04% Differential Gain (NTSC and PAL)
0.19 Differential Phase (NTSC and PAL)
Plastic DIP and SOIC Packages
Cerdip Package
Die Form
MIL-STD-883B Processing
Tape & Reel (EIA-481A Standard)
Quiescent Current vs. Supply Voltage
5.5
4.5
5
4
6
0
5 V and
SUPPLY VOLTAGE –
5
15 V Operation
10
Volts
15
LOAD
= 1 k )
20
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
specifications which include an open-loop gain of 3500 V/V
(500
mode rejection is a minimum of 78 dB. Output voltage swing is
over 30 other high speed amplifiers from the low noise AD829
(1.7 nV/ Hz) to the ultimate video amplifier, the AD811, which
features 0.01% differential gain and 0.01 differential phase.
APPLICATION HIGHLIGHTS
1. As a buffer the AD847 offers a full-power bandwidth of
2. The low power and small outline package of the AD847
3. The AD847 is internally compensated for unity gain opera-
3 V into loads as low as 150 . Analog Devices also offers
12.7 MHz (5 V p-p with 5 V supplies) making it outstand-
ing as an input buffer for flash A/D converters.
make it very well suited for high density applications such as
multiple pole active filters.
tion and remains stable when driving any capacitive load.
load) and low input offset voltage of 0.5 mV. Common-
AD847 Driving Capacitive Loads
High Speed, Low Power
CONNECTION DIAGRAM
Small Outline (R) and
Cerdip (Q) Packages
Plastic DIP (N),
Monolithic Op Amp
AD847
Fax: 617/326-8703

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AD847AQ Summary of contents

Page 1

FEATURES Superior Performance High Unity Gain BW: 50 MHz Low Supply Current: 5.3 mA High Slew Rate: 300 V/ s Excellent Video Specifications 0.04% Differential Gain (NTSC and PAL) 0.19 Differential Phase (NTSC and PAL) Drives Any Capacitive Load ...

Page 2

AD847–SPECIFICATIONS Model Conditions 1 INPUT OFFSET VOLTAGE T MIN Offset Drift INPUT BIAS CURRENT T MIN INPUT OFFSET CURRENT T MIN Offset Current Drift OPEN-LOOP GAIN V OUT V OUT DYNAMIC PERFORMANCE Unity Gain Bandwidth 2 Full Power Bandwidth V ...

Page 3

... – LOAD = LOAD = 2 MAX = MAX 500 150 500 MAX MAX –3– AD847AQ AD847S Min Typ Max Min Typ Max 0 3.3 5 3.3 5 7.5 7.5 50 300 50 300 400 400 0.3 0.3 2 3 1.6 1.6 3 5.5 3 5.5 1.5 1.5 35 ...

Page 4

... JC Small Outline Package: = 155 C/Watt C/Watt JA JC Models* AD847JN AD847JR AD847AQ AD847AR AD847SQ AD847SQ/883B 5962-8964701PA *AD847 also available in J and S grade chips, and AD847JR and AD847AR are available *in tape and reel. ESD SUSCEPTIBILITY ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 volts, which readily accumulate on the human body and on test equipment, can discharge without de- tection ...

Page 5

Typical Characteristics (@ +25 C and – SUPPLY VOLTAGE – Figure 1. Input Common-Mode Range vs. Supply Voltage SUPPLIES ...

Page 6

AD847–Typical Characteristics –60 –40 – TEMPERATURE – C Figure 7. Quiescent Current vs. Temperature –60 –40 – TEMPERATURE – C Figure 9. ...

Page 7

10k 100k 1M FREQUENCY – Hz Figure 13. Common-Mode Rejection vs. Frequency 0. 0.1% –2 –4 –6 –8 – ...

Page 8

AD847 Figure 19a. Inverter Large Signal Pulse Response Figure 20a. Noninverting Large Signal Pulse Response Figure 19. Inverting Amplifier Configuration Figure 20. Noninverting Amplifier Configuration –8– Figure 19b. Inverter Small Signal Pulse Response Figure 20b. Noninverting Small Signal Pulse Response ...

Page 9

OFFSET NULLING The input offset voltage of the AD847 is very low for a high speed op amp, but if additional nulling is required, the circuit shown in Figure 21 can be used. Figure 21. Offset Nulling INPUT CONSIDERATIONS An ...

Page 10

AD847 VIDEO LINE DRIVER The AD847 functions very well as a low cost, high speed line driver for either terminated or unterminated cables. Figure 23 shows the AD847 driving a doubly terminated cable in a fol- lower configuration. The termination ...

Page 11

A High Speed, Three Op-Amp In-Amp The circuit of Figure 26 lends itself well to CCD imaging and other video speed applications. It uses two high speed CB pro- cess op-amps: Amplifier A3, the output amplifier AD847. +15V ...

Page 12

AD847 HIGH SPEED DAC BUFFER The wide bandwidth and fast settling time of the AD847 makes it a very good output buffer for high speed current-output D/A converters like the AD668. As shown in Figure 27, the op amp establishes ...

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