AD8132ARZ Analog Devices Inc, AD8132ARZ Datasheet

IC AMP DIFF LDIST LP 70MA 8SOIC

AD8132ARZ

Manufacturer Part Number
AD8132ARZ
Description
IC AMP DIFF LDIST LP 70MA 8SOIC
Manufacturer
Analog Devices Inc
Type
Differential Ampr
Datasheet

Specifications of AD8132ARZ

Amplifier Type
Differential
Number Of Circuits
1
Output Type
Differential
Slew Rate
1200 V/µs
-3db Bandwidth
360MHz
Current - Input Bias
3µA
Voltage - Input Offset
1000µV
Current - Supply
12mA
Current - Output / Channel
70mA
Voltage - Supply, Single/dual (±)
2.7 V ~ 11 V, ±1.35 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Number Of Channels
1
Number Of Elements
1
Power Supply Requirement
Single/Dual
Common Mode Rejection Ratio
70dB
Voltage Gain Db
0.129dB
Input Resistance
3@5VMohm
Input Offset Voltage
3.5@5VmV
Input Bias Current
7@5VnA
Single Supply Voltage (typ)
3/5/9V
Dual Supply Voltage (typ)
±3/±5V
Power Supply Rejection Ratio
70dB
Power Dissipation
250mW
Rail/rail I/o Type
No
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
11V
Dual Supply Voltage (min)
±1.35V
Dual Supply Voltage (max)
±5.5V
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
No. Of Amplifiers
1
Gain Db Max
1.015dB
Bandwidth
350MHz
Supply Voltage Range
± 1.35V To ± 5.5V
Supply Current
10.7mA
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Gain Bandwidth Product
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant

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FEATURES
High speed
Resistor set gain
Internal common-mode feedback
Improved gain and phase balance: −68 dB @ 10 MHz
Separate input to set the common-mode output voltage
Low distortion: −99 dBc SFDR @ 5 MHz, 800 Ω load
Low power: 10.7 mA @ 5 V
Power supply range: +2.7 V to ±5.5 V
Fully AEC-Q100 qualified (AD8132W)
APPLICATIONS
Low power differential ADC drivers
Differential gain and differential filtering
Video line drivers
Differential in/out level shifting
Single-ended input to differential output drivers
Active transformers
Automotive driver assistance
Automotive infotainment
GENERAL DESCRIPTION
The AD8132 is a low cost differential or single-ended input to
differential output amplifier with resistor set gain. The AD8132
is a major advancement over op amps for driving differential input
ADCs or for driving signals over long lines. The AD8132 has a
unique internal feedback feature that provides output gain and
phase matching balanced to −68 dB at 10 MHz, suppressing
harmonics and reducing radiated EMI.
Manufactured using the next-generation of Analog Devices, Inc.,
XFCB bipolar process, the AD8132 has a −3 dB bandwidth of
350 MHz and delivers a differential signal with −99 dBc SFDR
at 5 MHz, despite its low cost. The AD8132 eliminates the need for
a transformer with high performance ADCs, preserving the low
frequency and dc information. The common-mode level of the
differential output is adjustable by applying a voltage on the
V
supply ADCs. Fast overload recovery preserves sampling accuracy.
Rev. I
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 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.
OCM
350 MHz, −3 dB bandwidth
1200 V/μs slew rate
pin, easily level shifting the input signals for driving single-
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
The AD8132 is also used as a differential driver for the trans-
mission of high speed signals over low cost twisted pair or coaxial
cables. The feedback network can be adjusted to boost the high
frequency components of the signal. The AD8132 is used for either
analog or digital video signals or for other high speed data trans-
mission. The AD8132 is capable of driving either a Category 3
or Category 5 twisted pair or coaxial cable with minimal line
attenuation. The AD8132 has considerable cost and performance
improvements over discrete line driver solutions.
Differential signal processing reduces the effects of ground noise
that plagues ground-referenced systems. The AD8132 can be used
for differential signal processing (gain and filtering) throughout a
signal chain, easily simplifying the conversion between differential
and single-ended components.
The AD8132W is the automotive grade version, qualified for
125°C operation per the AEC-Q100. See the Automotive
Products section for more details.
The AD8132 is available in both 8-lead SOIC and 8-lead MSOP
packages for operation over the extended industrial temperature
range of −40°C to +125°C.
–12
–3
–6
–9
0
6
3
1
V
G = +1
V
R
S
O, dm
L, dm
= ±5V
Figure 2. Large Signal Frequency Response
CONNECTION DIAGRAM
= 499Ω
= 2V p-p
+OUT
V
©2000–2009 Analog Devices, Inc. All rights reserved.
Low Cost, High Speed
OCM
Differential Amplifier
–IN
V+
1
2
3
4
NC = NO CONNECT
10
FREQUENCY (MHz)
AD8132
Figure 1.
8
7
6
5
+IN
NC
V–
–OUT
100
AD8132
www.analog.com
1k

Related parts for AD8132ARZ

AD8132ARZ Summary of contents

Page 1

FEATURES High speed 350 MHz, −3 dB bandwidth 1200 V/μs slew rate Resistor set gain Internal common-mode feedback Improved gain and phase balance: − MHz Separate input to set the common-mode output voltage Low distortion: −99 dBc ...

Page 2

AD8132 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Connection Diagram ....................................................................... 1 Revision History ........................................................................... 3 Specifications ..................................................................................... 4 ±D to ±OUT Specifications ...................................................... ±OUT Specifications ..................................................... 5 OCM ±D ...

Page 3

REVISION HISTORY 9/09—Rev Rev. I Changes to Figure 64 Caption ...................................................... 21 5/09—Rev Rev. H Changes to Features Section, Applications Section, and General Description Section .......................................................................... 1 Changes to Table 1 ........................................................................... 4 Changes to Table ...

Page 4

AD8132 SPECIFICATIONS ±D TO ±OUT SPECIFICATIONS 25° ± + OCM R = 499 Ω. Refer to Figure 56 and Figure 57 for test setup ...

Page 5

V TO ±OUT SPECIFICATIONS OCM 25° ± + OCM R = 499 Ω. Refer to Figure 56 and Figure 57 for test setup and label ...

Page 6

AD8132 ±D TO ±OUT SPECIFICATIONS 25° OCM R = 499 Ω. Refer to Figure 56 and Figure 57 for test setup and ...

Page 7

V TO ±OUT SPECIFICATIONS OCM 25° OCM R = 499 Ω. Refer to Figure 56 and Figure 57 for test setup and label ...

Page 8

AD8132 ±D TO ±OUT SPECIFICATIONS 25° OCM R = 499 Ω. Refer to Figure 56 and Figure 57 for test setup and ...

Page 9

ABSOLUTE MAXIMUM RATINGS Table 7. Parameter Supply Voltage V OCM Internal Power Dissipation Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering 10 sec) Junction Temperature Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the ...

Page 10

AD8132 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 9. Pin Function Descriptions Pin No. Mnemonic Description 1 −IN Negative Input Voltage applied to this pin sets the common-mode output voltage with a ratio of 1:1. For example ...

Page 11

TYPICAL PERFORMANCE CHARACTERISTICS ±5V S –1 –2 – 0.2V p 499Ω –4 – FREQUENCY (MHz) Figure 5. Small Signal Frequency Response ...

Page 12

AD8132 499Ω 348Ω –1 – ± – p 499Ω –4 – FREQUENCY (MHz) ...

Page 13

G = +10 4.99kΩ + 2.49kΩ + 1kΩ + 499Ω ±5V – ...

Page 14

AD8132 – ±5V HD3 (f = 20MHz 800Ω –50 HD2 (f = 20MHz) –60 –70 –80 HD2 (f = 5MHz) –90 –100 HD3 (f = 5MHz) –110 DIFFERENTIAL OUTPUT ...

Page 15

HD3 (f = 20MHz 800Ω –50 –60 –70 HD2 (f = 20MHz) –80 –90 HD2 (f = 5MHz) –100 –110 HD3 (f = 5MHz) –120 DIFFERENTIAL OUTPUT VOLTAGE ...

Page 16

AD8132 V = ±5V, +5V, +3V S 40mV Figure 35. Small Signal Transient Response 0pF 1.5V p 0.5pF F 300mV Figure 36. Large Signal ...

Page 17

300mV 5ns Figure 41. Large Signal Transient Response +5V, ±5V S 400mV 5ns Figure 42. Large Signal Transient Response ± –OUT ...

Page 18

AD8132 – ± p-p IN, cm –30 –40 Δ ΔV IN, cm –50 –60 Δ –70 ΔV IN, cm – FREQUENCY (MHz) Figure 47. CMRR vs. Frequency (See ...

Page 19

V (0.5V/DIV (1V/DIV) IN 2.5V STEP 1kΩ 200Ω 5ns Figure 53. Overdrive Recovery ±5V S ...

Page 20

AD8132 TEST CIRCUITS C F 348Ω 348Ω 49.9Ω 0.1µF 348Ω 24.9Ω 348Ω Figure 56. Basic Test Circuit 1000Ω 499Ω 49.9Ω 0.1µF 499Ω 24.9Ω 1000Ω Figure 57. Basic Test Circuit 499Ω ...

Page 21

OPERATIONAL DESCRIPTION DEFINITION OF TERMS Differential Voltage It is the difference between two node voltages. For example, the output differential voltage (or equivalently output differential mode voltage) is defined − OUT, dm +OUT −OUT ...

Page 22

AD8132 THEORY OF OPERATION The AD8132 differs from conventional op amps by the external presence of an additional input and output. The additional input controls the output common-mode voltage. The OCM additional output is the analog complement of ...

Page 23

OTHER β CIRCUITS The preceding simple configuration with β and its gain the highest gain circuit that can be made under this condition. Because β1 was equal to 0, only higher β1 values ...

Page 24

AD8132 When using the AD8132 in gain configurations where β1 ≠ β2, differential output noise appears due to input-referred voltage noise in the V circuitry according to the following formula: OCM ⎡ ⎤ − β1 β2 = ⎢ ⎥ V ...

Page 25

LAYOUT, GROUNDING, AND BYPASSING As a high speed part, the AD8132 is sensitive to the printed circuit board (PCB) environment in which it operates. Realizing its superior specifications requires attention to various details of good high speed PCB design. The ...

Page 26

AD8132 APPLICATIONS INFORMATION ANALOG-TO-DIGITAL DRIVER Many of the newer high speed ADCs are single supply and have differential inputs. Thus, the driver for these devices is able to convert from a single-ended signal to a differential signal and provide output ...

Page 27

SOURCE Any imbalance in the differential drive signal appears as a common-mode signal on the cable. This is the equivalent of a single wire that is driven with the common-mode signal. In this case, the wire acts as ...

Page 28

AD8132 The actual −3 dB frequency was measured to be 1.12 MHz, as shown in Figure 78 –10 –20 –30 –40 –50 –60 –70 –80 –90 100k 1M 10k FREQUENCY (Hz) Figure 78. Frequency Response of 1 MHz ...

Page 29

FULL-WAVE RECTIFIER The balanced outputs of the AD8132, along with a couple of Schottky diodes, can create a very high speed, full-wave rectifier. Such circuits are useful for measuring ac voltages and other computational tasks. Figure 82 shows the configuration ...

Page 30

... AD8132AR-REEL7 −40°C to +125°C 1 AD8132ARZ −40°C to +125°C AD8132ARZ-RL 1 −40°C to +125°C 1 AD8132ARZ-R7 −40°C to +125°C AD8132ARM −40°C to +125°C AD8132ARM-REEL −40°C to +125°C AD8132ARM-REEL7 −40°C to +125°C 1 AD8132ARMZ −40°C to +125°C ...

Page 31

NOTES Rev Page AD8132 ...

Page 32

AD8132 NOTES ©2000–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D01035–0–9/09(I) Rev Page ...

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