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MAX9693

更新时间: 2024-09-16 22:55:07
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美信 - MAXIM 比较器
页数 文件大小 规格书
10页 321K
描述
Single/Dual, Ultra-Fast, ECL-Output Comparators with Latch Enable

MAX9693 数据手册

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19-1789; Rev 1; 10/02  
Single/Dual, Ultra-Fast, ECL-Output  
Comparators with Latch Enable  
General Description  
Features  
The MAX9691/MAX9692/MAX9693 are ultra-fast ECL  
comparators capable of very short propagation delays.  
Their design maintains the excellent DC matching char-  
acteristics normally found only in slower comparators.  
1.2ns Propagation Delay  
100ps Propagation Delay Skew  
150ps Dispersion  
The MAX9691/MAX9692/MAX9693 have differential  
inputs and complementary outputs that are fully com-  
patible with ECL-logic levels. Output current levels are  
capable of driving 50terminated transmission lines.  
The ultra-fast operation makes signal processing possi-  
ble at frequencies in excess of 600MHz.  
0.5ns Latch Setup Time  
0.5ns Latch-Enable Pulse Width  
Available in µMAX and QSOP Packages  
+5V, -5.2V Power Supplies  
The MAX9692/MAX9693 feature a latch-enable (LE)  
function that allows the comparator to be used in a  
sample-hold mode. When LE is ECL high, the compara-  
tor 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 on either of the two comparators, the appropriate  
LE input must be connected to ground; the companion  
LE input must be connected to a high ECL logic level.  
Ordering Information  
TEMP  
RANGE  
PART  
PIN-PACKAGE  
MAX9691EUA  
-40°C to +85°C  
-40°C to +85°C  
8 µMAX  
8 SO  
MAX9691ESA  
MAX9691EPA  
-40°C to +85°C  
8 PDIP  
Ordering Information continued at the end of data sheet.  
These devices are available in SO, QSOP, and tiny  
µMAX packages for added space savings.  
Selector Guide  
COMPARATORS LATCH PIN-  
PER PACKAGE ENABLE PACKAGE  
________________________Applications  
PART  
High-Speed Line Receivers  
8 µMAX,  
8 SO, 8 PDIP  
MAX9691  
MAX9692  
1
1
No  
Peak Detectors  
Threshold Detectors  
High-Speed Triggers  
10 µMAX,  
16 SO, 16 PDIP  
Yes  
16 QSOP,  
16 SO, 16 PDIP  
MAX9693  
2
Yes  
Pin Configurations appear at end of data sheet.  
_________________________________________________________Functional Diagrams  
NONINVERTING  
INPUT  
NONINVERTING  
INPUT  
IN+  
IN-  
Q OUT  
Q OUT  
Q OUT  
Q OUT  
INVERTING  
INPUT  
INVERTING  
INPUT  
R
R
L
L
R
R
R
R
L
L
L
L
MAX9693  
MAX9693  
MAX9691  
LE LE  
LATCH ENABLE  
LE LE  
V
T
V
T
LATCH ENABLE  
THE OUTPUTS ARE OPEN EMITTERS, REQUIRING EXTERNAL PULLDOWN  
RESISTORS. THESE RESISTORS MAY BE IN THE RANGE OF 50TO 200Ω  
CONNECTED TO -2.0V, OR 240TO 2000CONNECTED TO -5.2V.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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