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PDF ISL8323 Data sheet ( Hoja de datos )
| Número de pieza | ISL8323 | |
| Descripción | Low-Voltage/ Single Supply/ Dual SPST Analog Switches | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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TM
Data Sheet
Low-Voltage, Single Supply, Dual SPST
Analog Switches
The Intersil ISL8323–ISL8325 devices are precision, dual
analog switches designed to operate from a single +2.7V to
+12V supply. Targeted applications include battery powered
equipment that benefit from the devices’ low power
consumption (5µW), low leakage currents (100pA max), and
fast switching speeds. Excellent RON matching and flatness
maintain signal fidelity over the whole input range.
The ISL8323/ISL8324/ISL8325 are dual single-pole/single-
throw (SPST) devices. The ISL8323 has two normally open
(NO) switches; the ISL8324 has two normally closed (NC)
switches; the ISL8325 has one NO and one NC switch and
can be used as an SPDT. Table 1 summarizes the
performance of this family. For higher performance, pin
compatible versions, or SOT-23 packaged devices, see the
ISL5120-23 data sheet.
TABLE 1. SUMMARY OF FEATURES
Number of Switches
SW 1 / SW 2
3.3V RON (Max)
3.3V tON / tOFF (Max)
5V RON (Max)
5V tON / tOFF (Max)
Packages
ISL8323 ISL8324 ISL8325
222
NO / NO NC / NC NO / NC
175Ω
175Ω
175Ω
400 / 125ns 400 / 125ns 400 / 125ns
60Ω 60Ω 60Ω
150 / 100ns 150 / 100ns 150 / 100ns
8 Ld SOIC
Related Literature
• Technical Brief TB363 Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)
ISL8323, ISL8324, ISL8325
January 2002
FN6023
Features
• Drop-in Replacements for MAX323 - MAX325 in Single
Supply Applications up to 12V.
• ON Resistance (RON). . . . . . . . . . . . . . . . . . . . 60Ω (Max)
• RON Matching Between Channels. . . . . . . . . . . . . 2Ω (Max)
• Low Charge Injection . . . . . . . . . . . . . . . . . . . . . . 5pC (Max)
• Single Supply Operation . . . . . . . . . . . . . . . . . +2.7V to +12V
• Low Power Consumption (PD) . . . . . . . . . . . . . . . . . . . .<5µW
• Low Leakage Current (Max at 85oC) . . . . . . . . . . . . . 5nA
• Fast Switching Action
- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150ns (Max)
- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ns (Max)
• Guaranteed Break-Before-Make (ISL8325 only)
• Minimum 2000V ESD Protection per Method 3015.7
• TTL, CMOS Compatible
Applications
• Battery Powered, Handheld, and Portable Equipment
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
• Communications Systems
- Military Radios
- PBX, PABX
• Test Equipment
- Ultrasound
- Electrocardiograph
• Heads-Up Displays
• Audio and Video Switching
• Various Circuits
- +3V/+5V DACs and ADCs
- Sample and Hold Circuits
- Digital Filters
- Operational Amplifier Gain Switching Networks
- High Frequency Analog Switching
- High Speed Multiplexing
- Integrator Reset Circuits
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
1 page  
ISL8323, ISL8324, ISL8325
Test Circuits and Waveforms
LOGIC
INPUT
3V
0V
SWITCH
INPUT
VNO
SWITCH
OUTPUT 0V
50%
tOFF
VOUT
90%
tON
tr < 20ns
tf < 20ns
90%
V+
C
SWITCH
INPUT
LOGIC
INPUT
NO or NC
IN
GND
COM
VOUT
RL CL
1kΩ 35pF
Logic input waveform is inverted for switches that have the opposite
logic sense.
Repeat test for all switches. CL includes fixture and stray
capacitance.
VOUT = V(NO or NC) R-----L----+---R--R---L--(--O-----N----)
FIGURE 1A. MEASUREMENT POINTS
FIGURE 1B. TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
V+
C
SWITCH
OUTPUT
VOUT
LOGIC
INPUT
ON
∆VOUT
OFF
Q = ∆VOUT x CL
V+
ON
0V
RG NO or NC
COM
VG
GND
IN
LOGIC
INPUT
VOUT
CL
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2. CHARGE INJECTION
FIGURE 2B. TEST CIRCUIT
LOGIC
INPUT
3V
0V
SWITCH
OUTPUT
VOUT1
0V
SWITCH
OUTPUT
VOUT2
0V
90%
tD
90%
tD
VNX
LOGIC
INPUT
V+
C
NO1
NC2
IN1
IN2
COM1
COM2
VOUT1
VOUT2 RL1
300Ω
CL1
35pF
RL2
300Ω
CL2
35pF
GND
CL includes fixture and stray capacitance.
FIGURE 3A. MEASUREMENT POINTS (ISL8325 ONLY)
FIGURE 3B. TEST CIRCUIT (ISL8325 ONLY)
FIGURE 3. BREAK-BEFORE-MAKE TIME
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ISL8323.PDF ] | |
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