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AD8188 PDF даташит

Спецификация AD8188 изготовлена ​​​​«Analog Devices» и имеет функцию, называемую «(AD8188 / AD8189) Triple 2:1 Multiplexers».

Детали детали

Номер произв AD8188
Описание (AD8188 / AD8189) Triple 2:1 Multiplexers
Производители Analog Devices
логотип Analog Devices логотип 

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AD8188 Даташит, Описание, Даташиты
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FEATURES
Fully buffered inputs and outputs
Fast channel-to-channel switching: 4 ns
Single-supply operation (5 V)
High speed
350 MHz bandwidth (−3 dB) @ 200 mV p-p
300 MHz bandwidth (−3 dB) @ 2 V p-p
Slew rate: 1000 V/μs
Fast settling time: 7 ns to 0.1%
Low current: 19 mA/20 mA
Excellent video specifications: load resistor (RL) = 150 Ω
Differential gain error: 0.05%
Differential phase error: 0.05°
Low glitch
All hostile crosstalk
−84 dB @ 5 MHz
−52 dB @ 100 MHz
High off isolation: −95 dB @ 5 MHz
Low cost
Fast, high impedance disable feature for connecting
multiple outputs
Logic-shifted outputs
APPLICATIONS
Switching RGB in LCD and plasma displays
RGB video switchers and routers
GENERAL DESCRIPTION
The AD8188 (G = 1) and AD8189 (G = 2) are high speed,
single-supply, triple 2-to-1 multiplexers. They offer −3 dB small
signal bandwidth of 350 MHz and −3 dB large signal bandwidth
of 300 MHz, along with a slew rate in excess of 1000 V/μs. With
−84 dB of all hostile crosstalk and −95 dB off isolation, the parts
are well suited for many high speed applications. The
differential gain and differential phase error of 0.05% and 0.05°
respectively, along with 0.1 dB flatness to 70 MHz, make the
AD8188 and AD8189 ideal for professional and component
video multiplexing. The parts offer 4 ns switching time, making
them an excellent choice for switching video signals, while
consuming less than 20 mA on a single 5 V supply (100 mW).
Both devices have a high speed disable feature that sets the
outputs into a high impedance state. This allows the building of
larger input arrays while minimizing off-channel output
loading. The devices are offered in a 24-lead TSSOP.
350 MHz Single-Supply (5 V)
Triple 2:1 Multiplexers
AD8188/AD8189
FUNCTIONAL BLOCK DIAGRAM
IN0A 1
DGND 2
IN1A 3
VREF 4
IN2A 5
VCC
VEE
IN2B
6
7
8
VEE 9
IN1B 10
VEE 11
IN0B 12
LOGIC
24 VCC
23 OE
SELECT
ENABLE
0
22 SEL A/B
21 VCC
20 OUT0
19 VEE
1 18 OUT1
17 VCC
2 16 OUT2
AD8188/AD8189
15 VEE
14 DVCC
13 VCC
Figure 1.
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
0
6.0
5.5
5.0
INPUT
4.5
4.0
3.5
3.0
OUTPUT
2.5
2.0
1.5
1.0
5 10 15 20 25
TIME (ns)
Figure 2. AD8189 Video Amplitude Pulse Response,
VOUT = 1.4 V p-p, RL = 150 Ω
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.









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AD8188 Даташит, Описание, Даташиты
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AD8188/AD8189
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
Maximum Power Dissipation ..................................................... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 14
High Impedance Disable ........................................................... 14
Off Isolation ................................................................................ 14
REVISION HISTORY
10/06—Revision 0: Initial Version
Full Power Bandwidth vs. −3 dB Large Signal Bandwidth ... 14
Single-Supply Considerations................................................... 14
AC-Coupled Inputs.................................................................... 16
Tolerance to Capacitive Load.................................................... 16
Secondary Supplies and Supply Bypassing ............................. 16
Split-Supply Operation .............................................................. 16
Applications..................................................................................... 17
Single-Supply Operation ........................................................... 17
AC-Coupling............................................................................... 17
DC Restore .................................................................................. 19
High Speed Design Considerations ......................................... 20
Evaluation Board ............................................................................ 21
Schematics................................................................................... 23
Outline Dimensions ....................................................................... 24
Ordering Guide .......................................................................... 24
Rev. 0 | Page 2 of 24









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AD8188/AD8189
SPECIFICATIONS
TA = 25°C. For the AD8188, VS = 5 V, RL = 1 kΩ to 2.5 V. For the AD8189, VS = 5 V, VREF = 2.5 V, RL = 150 Ω to 2.5 V; unless otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
−3 dB Bandwidth (Small Signal)
−3 dB Bandwidth (Large Signal)
0.1 dB Flatness
Slew Rate (10% to 90% Rise Time)
Settling Time to 0.1%
NOISE/DISTORTION PERFORMANCE
Differential Gain
Differential Phase
All Hostile Crosstalk
Channel-to-Channel Crosstalk, RTI
Off Isolation
Input Voltage Noise
DC PERFORMANCE
Voltage Gain Error
Voltage Gain Error Matching
VREF Gain Error
Input Offset Voltage
Input Offset Voltage Matching
Input Offset Drift
Input Bias Current
VREF Bias Current (AD8189 Only)
INPUT CHARACTERISTICS
Input Resistance
Input Capacitance
Input Voltage Range (About Midsupply)
OUTPUT CHARACTERISTICS
Output Voltage Swing
Short-Circuit Current
Output Resistance
Output Capacitance
POWER SUPPLY
Operating Range
Power Supply Rejection Ratio
Quiescent Current
SWITCHING CHARACTERISTICS
Channel-to-Channel Switching Time
Enable-to-Channel On Time
Conditions
VOUT = 200 mV p-p
VOUT = 2 V p-p
VOUT = 200 mV p-p
VOUT = 2 V p-p, RL = 150 Ω
VIN = 1 V Step, RL = 150 Ω
3.58 MHz, RL = 150 Ω
3.58 MHz, RL = 150 Ω
5 MHz
100 MHz
5 MHz
5 MHz
f = 100 kHz to 100 MHz
No load
Channel A to Channel B
1 kΩ load
TMIN to TMAX
Channel A to Channel B
@ 100 kHz
IN0A, IN0B, IN1A, IN1B, IN2A, IN2B
VREF
RL = 1 kΩ
RL = 150 Ω
Enabled @ 100 kHz
Disabled @ 100 kHz
Disabled
+PSRR, VCC = 4.5 V to 5.5 V, VEE = 0 V
−PSRR, VEE = −0.5 V to +0.5 V, VCC = 5.0 V
All channels on
All channels off
TMIN to TMAX, all channels on
50% logic to 50% output settling, INxA = +1 V,
INxB = −1 V
50% logic to 50% output settling, input = 1 V
AD8188/AD8189
Min Typ
Max
Unit
350
300
70
1000
6/7.5
MHz
MHz
MHz
V/μs
ns
0.05
0.05
−84/−78
−52/−48
−90/−85
−84/−95
7/9
%
Degrees
dB
dB
dB
dB
nV/√Hz
0.1
0.04
0.04
0.2/0.5
±8.0
0.2
10/5
1.5
1.0
±0.3/±0.6
±0.2/±0.2
±0.6
±6.5/±7.0
±5.0/±5.5
4/4
%
%
%
mV
mV
mV
μV/°C
μA
μA
1.8/1.3
0.9/1.0
±1.2
+0.9/−1.2
pF
V
V
3.1/2.8
2.8/2.5
3.2/3.0
3.0/2.7
85
0.2/0.35
1000/600
1.5/2.0
V p-p
V p-p
mA
Ω
pF
3.5 5.5 V
−72/−61
dB
−76/−72
dB
18.5/19.5 21.5/22.5 mA
3.5/4.5 4.5/5.5 mA
15 23 mA
3.6/4
4/3.8
ns
ns
Rev. 0 | Page 3 of 24










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