Low-Voltage, Single and Dual Supply,
Quad SPST, Analog Switches
The Intersil ISL84521, ISL84523, ISL84523 devices are
CMOS, precision, quad analog switches designed to operate
from a single +2V to +12V supply or from a
Targeted applications include battery powered equipment that
benefit from the devices’ low power consumption (<1µW), low
leakage currents (1nA max), and fast switching speeds
(t
ON
= 45ns, t
= 15ns). A12Ω maximum RON flatness
OFF
ensures signal fidelity, while channel-to-channel mismatch is
guaranteed to be less than 4Ω.
The ISL84521, ISL84522, ISL84523 are quad
single-pole/ single-throw (SPST) devices. The ISL84521 has
four normally closed (NC) switches; the ISL84522 has four
normally open (NO) switches; the ISL84523 has two NO and
two NC switches and can be used as a dual SPDT, or a dual
2:1 multiplexer.
Table summarizes the performance of this family. For higher
performance, pin compatible versions and 3mm x 3mm Quad
No-Lead Flatpack (QFN) package see the ISL43140,
ISL43142 data sheet.
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:
3. Signals on NC, NO, COM, or IN exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum current ratings.
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
4. θ
JA
o
C to 85oC
(oC/W)
JA
o
C to 150oC
o
o
C
C
Electrical Specifications +5V Supply Test Conditions: V
Unless Otherwise Specified
PARAMETERTEST CONDITIONS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, V
ON Resistance, R
R
Matching Between Channels,
ON
∆R
ON
R
Flatness, R
ON
NO or NC OFF Leakage Current,
I
NO(OFF)
or I
NC(OFF)
COM OFF Leakage Current,
I
COM(OFF)
COM ON Leakage Current,
I
COM(ON)
DIGITAL INPUT CHARACTERISTICS
Input Voltage High, V
Input Voltage Low, V
Input Current, I
INH
DYNAMIC CHARACTERISTICS
Turn-ON Time, t
Turn-OFF Time, t
Break-Before-Make Time Delay
(ISL84523), t
D
Charge Injection, QC
NO or NC OFF Capacitance, C
COM OFF Capacitance,
C
COM(OFF)
COM ON Capacitance, C
ON
FLAT(ON)
INH
INL
, I
INL
ON
OFF
ANALOG
COM(ON)
VS = ±5V, I
VS = ±5V, I
VS = ±5V, I
VS = ±5.5V, V
(Note 7)
VS = ±5.5V, V
(Note 7)
VS = ±5.5V, V
= 1.0mA, VNO or VNC = ±3V (Figure 5)25-65100Ω
COM
= 1.0mA, VNO or VNC = ±3V25-14Ω
COM
= 1.0mA, VNO or VNC = ±3V (Note 8)25-712Ω
COM
= ±4.5V, VNO or VNC = +4.5V
COM
= ±4.5V, VNO or VNC = +4.5V
COM
= VNO or VNC = ±4.5V (Note 7)25-20.012nA
COM
VS = ±5.5V, VIN = 0V or V+Full-10.031µA
VS = ±4.5V, VNO or VNC = ±3V, RL = 300Ω, CL = 35pF,
V
= 0 to 3V (Figure 1)
IN
VS = ±4.5V, VNO or VNC = ±3V, RL = 300Ω, CL = 35pF,
V
= 0 to 3V (Figure 1)
IN
VS = ±5.5V, VNO or VNC = ±3V, RL = 300Ω, CL = 35pF,
V
= 0 to 3V (Figure 3)
IN
= 1.0nF, VG = 0V, RG = 0Ω (Figure 2)25-15pC
L
f = 1MHz, VNO or VNC = V
OFF
f = 1MHz, VNO or VNC = V
f = 1MHz, VNO or VNC = V
= 0V (Figure 7)25-2-pF
COM
= 0V (Figure 7)25-2-pF
COM
= 0V (Figure 7)25-5-pF
COM
= ±4.5V to ±5.5V, GND = 0V, V
SUPPLY
TEMP
o
C)
(
INH
(NOTE 6)
MINTYP
= 2.4V, V
= 0.8V (Note 5),
INL
(NOTE 6)
MAXUNITS
FullV--V+V
Full--125Ω
Full--6Ω
Full--15Ω
25-10.011nA
Full-10-10nA
25-10.011nA
Full-10-10nA
Full-20-20nA
Full-1.62.4V
Full0.81.6-V
25-4580ns
Full--100ns
25-1530ns
Full--40ns
25520-ns
3
ISL84521, ISL84522, ISL84523
Electrical Specifications +5V Supply Test Conditions: V
= ±4.5V to ±5.5V, GND = 0V, V
SUPPLY
= 2.4V, V
INH
= 0.8V (Note 5),
INL
Unless Otherwise Specified (Continued)
PARAMETERTEST CONDITIONS
TEMP
OFF IsolationRL = 50Ω, CL = 15pF, f = 100kHz,
V
or VNC = 1V
Crosstalk, (Note 9)25-<-90-dB
NO
, (See Figures 4 and 6)
RMS
(NOTE 6)
o
C)
(
MINTYP
25->90-dB
(NOTE 6)
MAXUNITS
POWER SUPPLY CHARACTERISTICS
Power Supply RangeFull±2-±6V
Positive Supply Current, I+V
= ±5.5V, VIN = 0V or V+, Switch On or Off25-10.051µA
S
Full-1-1µA
Negative Supply Current, I-25-10.051µA
Full-1-1µA
NOTES:
5. V
= Input voltage to perform proper function.
IN
6. The algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
o
7. Leakage parameter is 100% tested at high temp, and guaranteed by correlation at 25
8. Flatness is defined as the delta between the maximum and minimum R
values over the specified voltage range.
ON
C.
9. Between any two switches.
Electrical Specifications 5V SupplyTest Conditions: V+ = +4.5V to +5.5V, V- = GND = 0V, V
Unless Otherwise Specified
TEMP
PARAMETERTEST CONDITIONS
o
(
C)
(NOTE 6)TYP
MIN
= 2.4V, V
INH
= 0.8V (Note 5),
INL
MAX
(NOTE 6)UNITS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, V
ON Resistance, R
R
Matching Between Channels,
ON
∆R
ON
ANALOG
ON
NO or NC OFF Leakage Current,
I
NO(OFF)
or I
NC(OFF)
COM OFF Leakage Current,
I
COM(OFF)
COM ON Leakage Current,
I
COM(ON)
V+ = 4.5V, I
(Figure 5)
V+ = 5V, I
COM
V+ = 5.5V, V
(Note 7)
V+ = 5.5V, V
(Note 7)
V+ = 5.5V, V
= 1.0mA, VNO or VNC = 3.5V
COM
= 1.0mA, VNO or VNC = 3.5V25-28Ω
= 1V, 4.5V, VNO or VNC = 4.5V, 1V
COM
= 1V, 4.5V, VNO or VNC = 4.5V, 1V
COM
= 1V, 4.5V (Note 7)25-2-2nA
COM
Full0-V+V
25-125200Ω
Full--250Ω
Full--10Ω
25-10.011nA
Full-10-10nA
25-10.011nA
Full-10-10nA
Full-20-20nA
DIGITAL INPUT CHARACTERISTICS
Input Voltage High, V
Input Voltage Low, V
Input Current, I
INH
, I
INH
INL
INL
V+ = 5.5V, VIN = 0V or V+Full-10.031µA
Full-1.62.4V
Full0.81.6-V
DYNAMIC CHARACTERISTICS
Turn-ON Time, t
Turn-OFF Time, t
ON
OFF
Break-Before-Make Time Delay
(ISL84523), t
D
Charge Injection, QC
V+ = 4.5V, VNO or VNC = 3V, RL = 300Ω, CL = 35pF,
V
= 0 to 3V (Figure 1)
IN
V+ = 4.5V, VNO or VNC = 3V, RL = 300Ω, CL = 35pF,
V
= 0 to 3V (Figure 1)
IN
V+ = 5.5V, VNO or VNC = 3V, RL = 300Ω, CL = 35pF,
V
= 0 to 3V (Figure 3)
IN
= 1.0nF, VG = 0V, RG = 0Ω (Figure 2)25-15pC
L
25-60100ns
Full--150ns
25-2050ns
Full--75ns
251030-ns
4
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