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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9685 Datasheet

Ultra-Fast ECL-Output Comparator with Latch Enable

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MAX9685 pdf
19-2398; Rev 1; 7/93
Ultra-Fast ECL-Output Comparator
with Latch Enable
_______________General Description
The MAX9685 is an ultra-fast ECL comparator manufac-
tured with a high-frequency bipolar process (fT = 6GHz)
capable of very short propagation delays. This design
maintains the excellent DC matching characteristics nor-
mally found only in slower comparators.
The device is pin-compatible with the AD9685 and
Am6685, but exceeds their AC characteristics.
The MAX9685 has differential inputs and complemen-
tary outputs that are fully compatible with ECL-logic lev-
els. Output current levels are capable of driving 50
terminated transmission lines. The ultra-fast operation
makes signal processing possible at frequencies in
excess of 600MHz.
A latch-enable (LE) function is provided to allow the
comparator to be used in a sample-hold mode. When
LE is ECL high, the comparator functions normally.
When LE is driven ECL low, the outputs are forced to an
unambiguous ECL-logic state, dependent on the input
conditions at the time of the latch input transition. If the
latch-enable function is not used, the LE pin must be
connected to ground.
________________________Applications
High-Speed A/D Converters
High-Speed Line Receivers
Peak Detectors
Threshold Detectors
High-Speed Triggers
____________________________Features
o 1.3ns Propagation Delay
o 0.5ns Latch Setup Time
o +5V, -5.2V Power Supplies
o Pin-Compatible with AD9685, Am6685
o Available in Commercial, Extended-Industrial,
and Military Temperature Ranges
o Available in Narrow SO Package
______________Ordering Information
PART
MAX9685CPE
MAX9685CSE
MAX9685CJE
MAX9685CTW
MAX9685C/D
MAX9685EPE
MAX9685ESE
MAX9685MJE
MAX9685MTW
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
-55°C to +125°C
PIN-PACKAGE*
16 Plastic DIP
16 Narrow SO
16 CERDIP
10 TO-100
Dice**
16 Plastic DIP
16 Narrow SO
16 CERDIP
10 TO-100
* Contact factory for availability of 20-pin PLCC.
** Contact factory for dice specifications.
__________________________________________________________Pin Configurations
V+
1
IN+
2
GND1
10
GND2
9
Q OUT
8
IN- 3
7
Q OUT
46
LE 5 N.C.
V-
TO-100
TOP VIEW
GND1 1
V+ 2
IN+ 3
IN- 4
N.C. 5
LE 6
N.C. 7
V- 8
MAX9685
16 GND2
15 N.C.
14 N.C.
13 N.C.
12 Q OUT
11 Q OUT
10 N.C.
9 N.C.
DIP/SO
________________________________________________________________ Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9685 Datasheet

Ultra-Fast ECL-Output Comparator with Latch Enable

No Preview Available !

MAX9685 pdf
Ultra-Fast ECL-Output Comparator
with Latch Enable
ABSOLUTE MAXIMUM RATINGS
Supply Voltages.....................................................................±6V
Output Short-Circuit Duration .......................................Indefinite
Input Voltages........................................................................±5V
Differential Input Voltages .....................................................7.0V
Output Current ....................................................................30mA
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C) ..........842mW
Narrow SO (derate 8.70mW/°C above +70°C) ............696mW
CERDIP (derate 10.00mW/°C above +70°C) ...............800mW
TO-100 (derate 6.67mW/°C above +70°C) ..................533mW
Operating Temperature Ranges
MAX9685C_ _ .....................................................0°C to +70°C
MAX9685E_ _ ..................................................-40°C to +85°C
MAX9685M_ _................................................-55°C to +125°C
Storage Temperature Range .............................-55°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V+ = +5V, V- = -5.2V, RL = 50, VT = -2V, TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
Input Offset Voltage
VOS
Temperature Coefficient VOS/T
Input Offset Current
IOS
Input Bias Current
Input Voltage Range
Common-Mode
Rejection Ratio
IB
VCM
CMRR
RS =100
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
(Note 1)
Power-Supply
Rejection Ratio
PSRR
Input Resistance
RIN (Note 1)
Input Capacitance
CIN
Logic Output High
Voltage
VOH
MAX9685C,
MAX9685M
TA = TMIN
TA = TMAX
TA = +25°C
TA = TMIN
MAX9685E
TA = TMAX
TA = +25°C
Logic Output Low
Voltage
TA = TMIN
MAX9685C,
MAX9685M
TA = TMAX
TA = +25°C
VOL
TA = TMIN
MAX9685E TA = TMAX
TA = +25°C
TA = +25°C
Positive Supply Current ICC
TA = TMIN to TMAX
Negative Supply
Current
TA = +25°C
IEE
TA = TMIN to TMAX
MAX9685C/E
MIN TYP MAX
-5 5
-7 7
10
5
8
10 20
30
-2.5 +2.5
80
60
-1.05
-0.89
-0.96
-1.14
-0.88
-0.96
-1.89
-1.83
-1.85
-1.90
-1.83
-1.85
60
3
-0.87
-0.70
-0.81
-0.88
-0.70
-0.81
-1.69
-1.57
-1.65
-1.65
-1.57
-1.65
16 22
24
20 32
36
MAX9685M
MIN TYP MAX
-5 5
-8 8
15
5
12
10 20
40
-2.5 +2.5
80
60
-1.16
0.88
-0.96
60
3
-0.89
-0.69
-0.81
-1.90
-1.82
-1.85
-1.65
-1.55
-1.65
16 22
25
20 32
36
UNITS
mV
µV/°C
µA
µA
V
dB
dB
k
pF
V
V
mA
mA
2 _______________________________________________________________________________________


Part Number MAX9685
Description Ultra-Fast ECL-Output Comparator with Latch Enable
Maker Maxim
Total Page 8 Pages
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