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PDF MAX9685MJE Data sheet ( Hoja de datos )
| Número de pieza | MAX9685MJE | |
| Descripción | Ultra-Fast ECL-Output Comparator with Latch Enable | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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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 50Ω
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.
1 page  
Ultra-Fast ECL-Output Comparator
with Latch Enable
LATCH
ENABLE
DIFFERENTIAL
INPUT
VOLTAGE
LATCH
VIN
Q
Q
COMPARE
ts
th
VOD
tpd
Figure 3. Timing Diagram
tpw(E)
tpd(E)
50%
VOS
50%
50%
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX9685MJE.PDF ] | |
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