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ISL84517 の電気的特性と機能

ISL84517のメーカーはIntersil Corporationです、この部品の機能は「Low-Voltage/ Dual Supply/ SPST/ Analog Switches」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL84517
部品説明 Low-Voltage/ Dual Supply/ SPST/ Analog Switches
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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ISL84517 Datasheet, ISL84517 PDF,ピン配置, 機能
®
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
1313
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). . . . . . . . . . . . . . . . . . . . . 20
• RON Flatness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
• 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

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ISL84517 pdf, ピン配列
ISL84516, ISL84517
Absolute Maximum Ratings
V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 15V
Input Voltages
IN (Note 2). . . . . . . . . . . . . . . . . . . . . ((V-) - 0.3V) to ((V+) + 0.3V)
NO, NC (Note 2) . . . . . . . . . . . . . . . . ((V-) - 0.3V) to ((V+) + 0.3V)
Output Voltages
COM (Note 2) . . . . . . . . . . . . . . . . . . ((V-) - 0.3V) to ((V+) + 0.3V)
Continuous Current (Any Terminal) . . . . . . . . . . . . . . . . . . . . . 20mA
Peak Current NO, NC, or COM
(Pulsed 1ms, 10% Duty Cycle, Max) . . . . . . . . . . . . . . . . . . 30mA
ESD Rating (Per MIL-STD-883 Method 3015). . . . . . . . . . . . . >2kV
Thermal Information
Thermal Resistance (Typical, Note 3)
θJA (oC/W)
5 Ld SOT-23 Package . . . . . . . . . . . . . . . . . . . . . . .
225
8 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . .
170
Maximum Junction Temperature (Plastic Package) . . . . . . . 150oC
Moisture Sensitivity (See Technical Brief TB363)
All Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1
Maximum Storage Temperature Range. . . . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC
(Lead Tips Only)
Operating Conditions
Temperature Range
ISL8451XIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to 85oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
2. Signals on NO, NC, COM, or IN exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum current ratings.
3. θJA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications - ±5V Supply Test Conditions: VSUPPLY = ±4.5V to ±5.5V, VINH = 3.5V, VINL = 1.5V (Note 4),
Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON Resistance, RON
VS = ±5V, ICOM = 1.0mA, VCOM = 3V
(See Figure 4)
RON Flatness, RFLAT(ON)
VS = ±5V, ICOM = 1.0mA, VCOM = -3V, 0V, 3V
NO or NC OFF Leakage Current,
INO(OFF) or INC(OFF)
VS = ±5.5V, VCOM = ±4.5V, VNO or VNC = +4.5V
(Note 6)
COM OFF Leakage Current,
ICOM(OFF)
VS = ±5.5V, VCOM = ±4.5V, VNO or VNC = +4.5V
(Note 6)
COM ON Leakage Current,
ICOM(ON)
VS = ±5.5V, VCOM = VNO or VNC = ±4.5V (Note 6)
DIGITAL INPUT CHARACTERISTICS
Input Voltage High, VINH
Input Voltage Low, VINL
Input Current, IINH, IINL
DYNAMIC CHARACTERISTICS
VS = ±5.5V, VIN = 0V or V+
Turn-ON Time, tON
VNO or VNC = 3V, RL = 300, CL = 35pF,
VIN = 0 to V+ (See Figure 1)
Turn-OFF Time, tOFF
VNO or VNC = 3V, RL = 300, CL = 35pF,
VIN = 0 to V+ (See Figure 1)
Charge Injection, Q
OFF Isolation
NO or NC OFF Capacitance, COFF
COM OFF Capacitance,
CCOM(OFF)
COM ON Capacitance, CCOM(ON)
CL = 1.0nF, VG = 0V, RG = 0(See Figure 2)
RL = 50, CL = 15pF, f = 100kHz (See Figure 3)
f = 1MHz, VNO or VNC = VCOM = 0V (See Figure 5)
f = 1MHz, VNO or VNC = VCOM = 0V (See Figure 5)
f = 1MHz, VNO or VNC = VCOM = 0V (See Figure 5)
TEMP (NOTE 5)
(NOTE 5)
(oC)
MIN
TYP MAX UNITS
Full V- - V+ V
25 -
13 20
Full -
- 25
25 - 3 4
Full - 4 6
25 -1 0.01 1 nA
Full -20
-
20 nA
25 -1 0.01 1 nA
Full -20
-
20 nA
25 -2 0.01 2 nA
Full -40
-
40 nA
Full (V+) - 1.5
-
V+ V
Full V-
- (V+) - 3.5 V
Full -0.5
-
0.5 µA
25 -
40 100 ns
Full -
- 150 ns
25 -
30 75 ns
Full -
- 125 ns
25 -
10 20 pC
25 - >86 - dB
25 - 9 - pF
25 - 9 - pF
25 - 22 - pF
3


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ISL84517 電子部品, 半導体
ISL84516, ISL84517
unaffected by this approach, but the switch resistance may
increase, especially at low supply voltage.
OPTIONAL
PROTECTION
RESISTOR IN
VNO or NC
OPTIONAL PROTECTION
DIODE
V+
VCOM
V-
OPTIONAL PROTECTION
DIODE
FIGURE 6. OVERVOLTAGE PROTECTION
Power-Supply Considerations
The ISL8451X construction is typical of most CMOS analog
switches, except that there are only two supply pins: V+ and
V-. The power supplies need not be symmetrical for useful
operation. As long as the total supply voltage (V+ to V-,
including supply tolerances, overshoot, and noise spikes) is
less than the15V maximum supply rating, and the digital
input switching point remains reasonable (see “Logic-Level
Thresholds” section), the ISL84516, ISL84517 function well.
The 15V maximum supply rating provides the designer of
12V systems much greater flexibility than switches with a
13V maximum supply voltage.
The minimum recommended supply voltage is ±1.5V. It is
important to note that the input signal range, switching times,
and on-resistance degrade at lower supply voltages, and the
digital input VIL becomes negative at VS ≤ ±2V. Refer to the
“Typical Performance” curves for details.
V+ and V- power the internal CMOS switches and set their
analog voltage limits. These supplies also power the internal
logic and level shifters. The level shifters convert the input
logic levels to switched V+ and V- signals to drive the analog
switch gate terminals.
This family of switches is not recommended for single supply
applications. For single supply, similar performance, pin
compatible, TTL compatible versions of these switches, see
the ISL84514, ISL84515 data sheet.
Logic-Level Thresholds
Due to the lack of a GND pin, the switching point of the
digital input is referenced predominantly to V+. The digital
input is CMOS compatible at ±5V supplies, and is TTL
compatible for ±3.3V supplies. For other supply
combinations refer to Figure 11.
The switching point has a very low temperature sensitivity,
and changes by only 100mV from 85oC to -40oC, regardless
of supply voltage.
High-Frequency Performance
In 50Ω systems, signal response is reasonably flat to
30MHz, with a -3dB bandwidth of nearly 400MHz (see
Figure 13). Figure 13 also illustrates that the frequency
response is very consistent over a wide V+ range, and for
varying analog signal levels.
An OFF switch acts like a capacitor and passes higher
frequencies with less attenuation, resulting in signal
feedthrough from a switch’s input to its output. OFF Isolation
is the resistance to this feedthrough. Figure 14 details the
high OFF Isolation provided by this family. At 10MHz, OFF
Isolation is about 50dB in 50Ω systems, decreasing
approximately 20dB per decade as frequency increases.
Higher load impedances decrease OFF Isolation due to the
voltage divider action of the switch OFF Impedance and the
load impedance.
Leakage Considerations
Reverse ESD protection diodes are internally connected
between each analog-signal pin and both V+ and V-. One of
these diodes conducts if any analog signal exceeds V+ or
V-.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or V-. Although the ESD diodes on a given
signal pin are identical and therefore fairly well balanced,
they are reverse biased differently. Each is biased by either
V+ or V- and the analog signal. This means their leakages
will vary as the signal varies. The difference in the two diode
leakages to the V+ and V- pins constitutes the analog-signal-
path leakage current. All analog leakage current flows
between each pin and one of the supply terminals, not to the
other switch terminal. This is why both sides of a given
switch can show leakage currents of the same or opposite
polarity. There is no connection between the analog-signal
paths and V+ or V-.
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共有リンク

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部品番号部品説明メーカ
ISL84514

Low-Voltage/ Single Supply/ SPST/ Analog Switches

Intersil Corporation
Intersil Corporation
ISL84515

Low-Voltage/ Single Supply/ SPST/ Analog Switches

Intersil Corporation
Intersil Corporation
ISL84516

Low-Voltage/ Dual Supply/ SPST/ Analog Switches

Intersil Corporation
Intersil Corporation
ISL84517

Low-Voltage/ Dual Supply/ SPST/ Analog Switches

Intersil Corporation
Intersil Corporation


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