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PDF 9693SCC Data sheet ( Hoja de datos )

Número de pieza 9693SCC
Descripción SPT9693SCC
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FEATURES
• Common mode range –3.0 to +8.0 V
• Low input bias current <100 pA
• Propagation delay 1.5 ns (max)
• Low offset ±25 mV
• Low feedthrough and crosstalk
www.DataSheetD4Uif.fceormential latch control
SPT9693
WIDE INPUT VOLTAGE, JFET COMPARATOR
TECHNICAL DATA
APPLICATIONS
• Automated test equipment
• High-speed instrumentation
• Window comparators
• High-speed timing
• Line receivers
• High-speed triggers
• Threshold detection
• Peak detection
MARCH 1, 2001
GENERAL DESCRIPTION
The SPT9693 is a high-speed, wide common mode volt-
age, JFET input, dual comparator. It is designed for appli-
cations that measure critical timing parameters in which
wide common mode input voltages of –3.0 to +8.0 V are
required. Propagation delays are constant for overdrives
greater than 50 mV.
JFET inputs reduce the input bias currents to the
nanoamp level, eliminating the need for input drivers and
buffers in most applications. The device has differential
analog inputs and complementary logic outputs com-
patible with ECL systems. Each comparator has a
complementary latch enable control that can be driven by
standard ECL logic.
The SPT9693 is available in 20-contact LCC and 20-lead
PLCC packages over the commercial temperature range.
It is also available in die form.
BLOCK DIAGRAM
QA QA QB QB GNDB
GNDA
LEA
LEA
N/C
AVEE(A)
LEB
LEB
N/C
AVEE(B)
AVCC(B)
AVCC(A) –INA +INA +INB –INB
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: 719-528-2300 Fax: 719-528-2370 Web Site: http://www.spt.com e-mail: [email protected]

1 page




9693SCC pdf
TYPICAL PERFORMANCE CHARACTERISTICS
HYSTERESIS vs DLATCH VOLTAGE
V Hysteresis (mV)
RISE AND FALL OF OUTPUTS vs TIME CROSSOVER
–.90
50
40
30
20
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10
VLE–VLE
–30 –20 –10 0 10 20 30 (mV)
–1.10
–1.30
–1.50
–1.70
–1.90
1.1
PROPAGATION DELAY vs INPUT
OVERDRIVE VOLTAGE
1.5 1.9 2.3 2.7
TIME (ns)
PROPAGATION DELAY vs
COMMON MODE INPUT VOLTAGE
3.5
1500
1400
1300
1200
1100
Input Slew Rates
= 1 V/ns
= 2 V/ns
= 5 V/ns
1600
1500
1400
1300
1200
50 100 150 200 250 300 350 400
VOD (mV)
–4 –2 0 +2 +4 +6 +8
VIN, cm (V)
SPT
5
SPT9693
3/1/01

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