spt9687 Cadeka Microcircuits LLC., spt9687 Datasheet

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spt9687

Manufacturer Part Number
spt9687
Description
Dual Ultrafast Voltage Comparator
Manufacturer
Cadeka Microcircuits LLC.
Datasheet

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FEATURES
GENERAL DESCRIPTION
The SPT9687 is a dual, very high-speed monolithic com-
parator. It is pin compatible with, and has improved perfor-
mance over Analog Device's AD9687. The SPT9687 is
designed for use in Automatic Test Equipment (ATE), high-
speed instrumentation, and other high-speed comparator
applications.
BLOCK DIAGRAM
Propagation Delay <2.3 ns
Propagation Delay Skew <300 ps
Low Power: 185 mW
Low Offset 3 mV
Low Feedthrough and Crosstalk
Differential Latch Control
Inverting Input
Inverting Input
Latch Enable
Latch Enable
Q Output
Q Output
GND A
V CC
V EE
-
-
DUAL ULTRAFAST VOLTAGE COMPARATOR
A
B
B
+
+
APPLICATIONS
Improvements over other sources include reduced power
consumption, reduced propagation delays, and higher input
impedance.
The SPT9687 is available in 16-lead SOIC, 16-lead plastic
DIP, 20-lead PLCC and 20-contact LCC packages over the
industrial temperature range. It is also available in die form.
High-Speed Instrumentation, ATE
High-Speed Timing
Window Comparators
Line Receivers
A/D Conversion
Threshold Detection
SPT9687
Noninverting Input
Latch Enable
Latch Enable
Noninverting Input
Q Output
GND B
Q Output

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spt9687 Summary of contents

Page 1

... Low Feedthrough and Crosstalk • Differential Latch Control GENERAL DESCRIPTION The SPT9687 is a dual, very high-speed monolithic com- parator pin compatible with, and has improved perfor- mance over Analog Device's AD9687. The SPT9687 is designed for use in Automatic Test Equipment (ATE), high- speed instrumentation, and other high-speed comparator applications ...

Page 2

... Ohms III junction ....................... +150 C SPT9687 MIN TYP MAX - -3.5 +3 -1.0 +1.0 -1.5 +1.5 -2.5 +2.5 -2.0 0 4000 100 4.75 5.0 5.25 -4.95 -5.2 -5.45 185 250 -.98 -.81 -1.95 -1.63 2.0 2.3 0.6 1 UNITS V SPT9687 3/21/97 ...

Page 3

... 100 mV (p-p will not be detected. Changes between SPT9687 MIN TYP 2 1.2 1.2 =25 C, and sample Parameter is A 50% tpL V REF ± pLOH 50% 50% t pLOL = 50 mV will be detected s and t may not be detected MAX UNITS 0 SPT9687 3/21/97 ...

Page 4

... The timing diagram for the comparator is shown in figure 1. The latch enable (LE) pulse is shown at the top high and LE low in the SPT9687, the comparator tracks the input difference voltage. When LE is driven low and LE high, the comparator outputs are latched into their existing logic states ...

Page 5

... LE LE MONITOR MONITOR 100 V pd (-4 OUTPUT Q OUTPUT µ -5 SEMI V + OUT RIGID OUT SEMI RIGID 50 SAMPLING SCOPE 0.1 µ µF 15 µF TANT - - + + (-5.2 V) (-4.0 V) Coax R Z 100 SPT9687 3/21/97 ...

Page 6

... MAX MIN A 0.300 B 0.014 0.026 C .100 typ D .010 typ E 1.150 1.950 29.21 F 0.290 0.330 G 0.246 0.254 H 0.740 0.760 18.80 E INCHES MILLIMETERS MIN MAX MIN .040 typ .050 typ 0.045 0.055 1.14 0.345 0.360 8.76 0.054 0.066 1.37 .020 typ 0.022 0.028 0.56 0.075 MILLIMETERS MAX 7.62 0.36 0.66 2.54 0.25 49.53 7.37 8.38 6.25 6.45 19.30 MAX 1.02 1.27 1.40 9.14 1.68 0.51 0.71 1.91 SPT9687 3/21/97 ...

Page 7

... INCHES SYMBOL MIN MAX A 0.150 0.157 B 0.230 0.244 C 0.386 0.393 D .050 Typ E 0.0138 0.0192 F 0.004 0.0098 G 0.061 0.068 H 0.0075 0.0098 I 0.055 0.061 I MILLIMETERS MAX 1.14 8.89 9.04 9.78 10.03 8.89 9.04 9.78 10.03 1.07 1.42 4.19 4.57 2.16 2.79 0.64 1.02 0.38 0.64 0.66 0.81 0.33 0.53 1.27 7.37 8.38 MILLIMETERS MIN MAX 3.81 3.99 5.84 6.20 9.80 9.98 1.27 Typ 0.35 0.49 0.127 0.25 1.55 1.73 0.19 0.25 1.40 1.55 SPT9687 3/21/97 ...

Page 8

... TOP VIEW -IN +IN N/C + LCC/PLCC ORDERING INFORMATION PART NUMBER SPT9687SIN SPT9687SIP SPT9687SIC SPT9687SIS SPT9687SCU *Please see the die specification for guaranteed electrical performance. PIN FUNCTIONS NAME GND GND ...

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