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PDF ISL84516 Data sheet ( Hoja de datos )
| Número de pieza | ISL84516 | |
| Descripción | Low-Voltage/ Dual Supply/ SPST/ Analog Switches | |
| Fabricantes | Intersil Corporation | |
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Data Sheet
ISL84516, ISL84517
June 2003
FN6030.2
Low-Voltage, Dual Supply, SPST, Analog
Switches
The Intersil ISL84516 and ISL84517 devices are precision,
analog switches designed to operate from ±1.5V to ±6V
supplies. Targeted applications include battery powered
equipment that benefit from the devices’ low power
consumption (350mW), low leakage currents, and fast
switching speeds. Additionally, excellent RON flatness
maintains signal fidelity over the whole input range, while
micro packaging alleviates board space limitations.
The ISL8451X are single-pole/single-throw (SPST) switches,
with the ISL84516 being normally open (NO), and the
ISL84517 being normally closed (NC).
Table 1 summarizes the performance of this family. For
higher performance, pin compatible versions, see the
ISL43112, ISL43113 data sheet. For single supply versions,
see the ISL84514, ISL84515 data sheet.
TABLE 1. FEATURES AT A GLANCE
ISL84516
ISL84517
Number of Switches
1
1
Configuration
±5V RON
±5V tON/tOFF
Packages
NO NC
13Ω 13Ω
40ns / 30ns
40ns / 30ns
8 Ld SOIC, 5 Ld SOT-23
Ordering Information
PART NO.
(BRAND)
ISL84516IB
ISL84516IB-T
ISL84516IH-T
(516I)
ISL84517IB
ISL84517IB-T
ISL84517IH-T
(517I)
TEMP. RANGE
(oC) PACKAGE PKG. DWG. #
-40 to 85 8 Ld SOIC M8.15
-40 to 85
8 Ld SOIC M8.15
Tape and Reel
-40 to 85
5 Ld SOT-23, P5.064
Tape and Reel
-40 to 85 8 Ld SOIC M8.15
-40 to 85
8 Ld SOIC M8.15
Tape and Reel
-40 to 85
5 Ld SOT-23, P5.064
Tape and Reel
Features
• Drop-in Replacements for MAX4516 and MAX4517 at
VS = ±5V
• Available in SOT-23 Packaging
• Dual Supply Operation . . . . . . . . . . . . . . . . . . . ±1.5V to ±6V
• ON Resistance (RON Max). . . . . . . . . . . . . . . . . . . . . 20Ω
• RON Flatness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ω
• Charge Injection . . . . . . . . . . . . . . . . . . . . . . . . . 20pC (Max)
• Low Leakage Current (Max at 85oC) . 20nA (Off Leakage)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40nA (On Leakage)
• Fast Switching Action
- tON (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ns
- tOFF (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75ns
• Minimum 2000V ESD Protection per Method 3015.7
• CMOS Logic Compatible
Applications
• Battery Powered, Handheld, and Portable Equipment
• Communications Systems
- Radios
- Telecom Infrustructure
• Medical Equipment
- Ultrasound, MRI, CAT/PET SCAN
- Electrocardiograph, Blood Analyzer
• Test Equipment
- Logic and Spectrum Analyzers
- Portable Meters, DVM, DMM
• Audio and Video Switching
• General Purpose Circuits
- Low Voltage DACs and ADCs
- Sample and Hold Circuits
- Digital Filters
- Operational Amplifier Gain Switching Networks
- High Frequency Analog Switching
- High Speed Multiplexing
- Integrator Reset Circuits
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
• Application Note AN557 “Recommended Test Procedures
for Analog Switches”
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 registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003. All Rights Reserved
1 page  
ISL84516, ISL84517
Test Circuits and Waveforms (Continued)
V+
C
SIGNAL
GENERATOR
NO or NC
IN V- or V+
RON = V1/1mA
COM
VCOM
1mA
V1
V+
C
IN VINL or VINH
ANALYZER
COM
RL
C
V-
FIGURE 3. OFF ISOLATION TEST CIRCUIT
NO or NC
C
V-
FIGURE 4. RON TEST CIRCUIT
IMPEDANCE
ANALYZER
V+
NO or NC
COM
IN V- or V+
V-
FIGURE 5. CAPACITANCE TEST CIRCUIT
Detailed Description
The ISL84516 and ISL84517 analog switches offer precise
switching capability from ±1.5V to ±6V supplies with low on-
resistance (13Ω) and high speed operation (tON = 40ns,
tOFF = 30ns). The devices are especially well suited to
portable battery powered equipment thanks to the low
operating supply voltage (±1.5V), low power consumption
(350µW), low leakage currents (2nA max), and the tiny
SOT-23 packaging. High frequency applications also benefit
from the wide bandwidth, and the very high off isolation.
Supply Sequencing And Overvoltage Protection
With any CMOS device, proper power supply sequencing is
required to protect the device from excessive input currents
which might permanently damage the IC. All I/O pins contain
ESD protection diodes from the pin to V+ and to V- (see
Figure 6). To prevent forward biasing these diodes, V+ and
5
V- must be applied before any input signals, and input signal
voltages must remain between V+ and V-. If these conditions
cannot be guaranteed, then one of the following two
protection methods should be employed.
Logic inputs can easily be protected by adding a 1kΩ
resistor in series with the input (see Figure 6). The resistor
limits the input current below the threshold that produces
permanent damage, and the sub-microamp input current
produces an insignificant voltage drop during normal
operation.
Adding a series resistor to the switch input defeats the
purpose of using a low RON switch, so two small signal
diodes can be added in series with the supply pins to provide
overvoltage protection for all pins (see Figure 6). These
additional diodes limit the analog signal from 1V below V+ to
1V above V-. The low leakage current performance is
5 Page | ||
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| PDF Descargar | [ Datasheet ISL84516.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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| ISL84516 | Low-Voltage/ Dual Supply/ SPST/ Analog Switches | Intersil Corporation |
| ISL84517 | Low-Voltage/ Dual Supply/ SPST/ Analog Switches | Intersil Corporation |
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