AD8561 Datasheet PDF - Analog Devices
| Part Number | AD8561 | |
| Description | Ultrafast 7 ns Single Supply Comparator | |
| Manufacturers | Analog Devices | |
| Logo |  |
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FEATURES
7 ns Propagation Delay at 5 V
Single Supply Operation: 3 V to 10 V
Low Power
Latch Function
TSSOP Packages
APPLICATIONS
High Speed Timing
Clock Recovery and Clock Distribution
Line Receivers
Digital Communications
Phase Detectors
High Speed Sampling
Read Channel Detection
PCMCIA Cards
Upgrade for LT1016 Designs
GENERAL DESCRIPTION
The AD8561 is a single 7 ns comparator with separate input and
output sections. Separate supplies enable the input stage to be
operated from ± 5 V dual supplies and +5 V single supplies.
Fast 7 ns propagation delay makes the AD8561 a good choice
for timing circuits and line receivers. Propagation delays for
rising and falling signals are closely matched and track over
temperature. This matched delay makes the AD8561 a good
choice for clock recovery, since the duty cycle of the output will
match the duty cycle of the input.
The AD8561 has the same pinout as the LT1016, with lower
supply current and a wider common-mode input range, which
includes the negative supply rail.
The AD8561 is specified over the industrial (–40°C to +85°C)
temperature range. The AD8561 is available in both the 8-lead
plastic DIP, 8-lead TSSOP or narrow SO-8 surface mount
packages.
Ultrafast 7 ns
Single Supply Comparator
AD8561
PIN CONFIGURATIONS
8-Lead Narrow Body SO
(SO-8)
8-Lead Plastic DIP
(N-8)
V؉
؉IN
؊IN
V؊
OUT
OUT
GND
LATCH
AD8561
V؉ 1
؉IN 2
؊IN 3
V؊ 4
AD8561
8 OUT
7 OUT
6 GND
5 LATCH
8-Lead TSSOP
(RU-8)
V؉ 1
8
؉IN
؊IN
AD8561
V؊ 4
5
OUT
OUT
GND
LATCH
Rev. C
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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.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©1998–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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AD8561–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS (@ V+ = +3.0 V, V– = VGND = 0 V, TA = +25؇C unless otherwise noted)
Parameter
Symbol Conditions
Min Typ
INPUT CHARACTERISTICS
Offset Voltage
Input Bias Current
Input Common-Mode Voltage Range
Common-Mode Rejection Ratio
VOS
IB
IB
VCM
CMRR
VCM = 0 V
–40°C ≤ TA ≤ +85°C
0.1 V ≤ VCM ≤ 1.5 V
–6 –3.0
–7 –4
0
60
OUTPUT CHARACTERISTICS
Output High Voltage
Output Low Voltage
VOH
VOL
IOH = –3.2 mA, VIN > 250 mV
IOL = +3.2 mA, VIN > 250 mV
1.21
POWER SUPPLY
Power Supply Rejection Ratio
Supply Currents
V+ Supply Current
Ground Supply Current
V– Supply Current
PSRR
I+
IGND
I–
+2.7 V ≤ VCC, VEE ≤ +6 V
VO = 0 V, RL = ∞
–40°C ≤ TA ≤ +85°C
–40°C ≤ TA ≤ +85°C
–40°C ≤ TA ≤ +85°C
40
4.0
1.6
2.4
DYNAMIC PERFORMANCE
Propagation Delay
tP
100 mV Step with 20 mV Overdrive2
8.5
NOTES
1Output high voltage without pull-up resistor. It may be useful to have a pull-up resistor to V+ for 3 V operation.
2Guaranteed by design.
Specifications subject to change without notice.
Max
7
+1.5
0.3
4.5
5.5
2.5
3.0
3.3
3.8
9.8
Units
mV
μA
μA
V
dB
V
V
dB
mA
mA
mA
mA
mA
mA
ns
ABSOLUTE MAXIMUM RATINGS
Total Supply Voltage from V– to V+ . . . . . . . . . . . . . . . . . 14 V
Input Voltage1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . ±8 V
Output Short-Circuit Duration to GND . . . . . . . . . Indefinite
Storage Temperature Range
N, R, RU Package . . . . . . . . . . . . . . . . . . –65°C to +150°C
Operating Temperature Range . . . . . . . . . . . –40°C to +85°C
Junction Temperature Range
N, R, RU Package . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 10 sec) . . . . . . . . 350°C
Package Type
8-Lead Plastic DIP (N)
8-Lead SO (R)
8-Lead TSSOP
JA2
103
158
240
JC Units
43 °C/W
43 °C/W
43 °C/W
NOTES
1The analog input voltage is equal to ±7 V or the analog supply voltage, whichever
is less.
2θJA is specified for the worst case conditions, i.e., θJA is specified for device in socket
for P-DIP and θJA is specified for device soldered in circuit board for SOIC and
TSSOP packages.
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 AD8561 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.
–4–
WARNING!
ESD SENSITIVE DEVICE
Rev. C
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AD8561 electronic component. |
| Information | Total 13 Pages | |
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