UM3157

UM3157
Low-Voltage SPDT Analog Switch
UM3157 SC70-6/SC88/SOT363
General Description
The UM3157 is an advanced CMOS analog switch fabricated with silicon gate CMOS
technology. It achieves very low propagation delay and RDS(ON) resistances while maintaining
CMOS low power dissipation. These make it ideal for portable and battery power applications.
The switch conducts signals within power rails equally well in both directions when on, and
blocks up to the power supply level when off. Break-before-make is guaranteed.
The select pin has over-voltage protection that allows voltages above VCC, up to 6.5V to be
present on the pin without damage or disruption of operation of the part, regardless of the
operating voltage.
The UM3157 can maintain low power consumption for rail-to-rail signaling as long as the control
signal input is held at a level that is greater than VIH minimum and less than VIL maximum by
improving the control circuitry input buffer. so the part can be used in mixed voltage rail
environments, especially services the mobile handset applications very well allowing for the direct
interface with baseband processor general purpose I/Os, and it is no longer necessary to have the
control input equal to VCC to maintain low power consumption
Applications
Features
z
z
z
z
z
z
z
z
z
z
Sample-and-Hold Circuits
Battery powered Equipment
Audio and Video Signal Routing
Communication Circuits
z
z
Pin Configurations
Control Inputs Are 5V Tolerant
Low Charge Injection
Excellent ON-State Resistance Matching
Low Total Harmonic Distortion (THD)
1.65V to 5.5V Single-Supply Operation
ESD Performance:
Human Body Model＞2KV
Machine Model＞200V
SC70-6/SC88/SOT363 Package
Pb-Free Package
Top View
M: Monthly Code
UM3157
SC70-6/SC88/SOT363
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UM3157
Ordering Information
Part Number
Packaging Type
Marking Code
UM3157
SC70-6/SC88/SOT363
B7A
Shipping Qty
3000pcs/7 Inch
Tape & Reel
Function Table
Select Input
L
H
Function
B0 Connected to A
B1 Connected to A
Absolute Maximum Ratings
Symbol
Parameter
Limit
Unit
VCC
Supply Voltage
- 0.5 to + 6.5
V
VS
DC Switch Voltage (Note 1)
- 0.5 to (VCC + 0.5)
VIN
DC IN Voltage (Note 1)
- 0.5 to + 6.5
-50
IIK
DC Input Diode Current@ VIN＜0V
mA
IOUT
DC Output Current
128
ICC/ IGND DC VCC or Ground Current
+100
TJ
Junction Temperature Under Bias
+150
TSTG
Storage Temperature
- 65 to +150
°C
TL
Junction Lead Temperature (Soldering, 10seconds)
260
θJA
Thermal Resistance
350
°C/W
PD
Power Dissipation @ +85°C
180
mW
1: The input and output negative voltage ratings may be exceeded if the input and output diode
current ratings are observed.
Recommended Ratings (Note2)
Symbol
VCC
VIN
VIN
VOUT
TA
Parameter
Supply Voltage Operating
Switch Input Voltage
Select Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time
t r, t f
Control Input Vcc=2.3V to 3.6V
Control Input Vcc=4.5V to 5.5V
2: Select input must be held HIGH or LOW, it must not float.
Limit
1.65 to 5.5
0 to VCC
0 to VCC
0 to VCC
-55 to +125
Unit
0 to 10
0 to 5.0
ns/V
V
°C
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UM3157
Electrical Characteristics
Limits (–40 to 85 °C)
Symbol
Parameter
Test Conditions
Vcc(V)
Temp
Unit
Min
Typ
Max
DC Electrical Characteristics
Analog Signal Range
Vcc
Full
0
Vcc
IIN
Input Leakage Current
0≤ VIN≤ 5.5V
0 to 5.5
Room
Full
±0.05
IOFF
OFF State Leakage
Current
0≤ A, B≤ Vcc
1.65 to 5.5
Room
Full
±0.05
VIL
ICC
RON
2.7 to 3.6
Input Low Voltage
Quiescent Supply
Current
On-Resistance (Note3)
ΔRON
On Resistance Over
Signal Range
(Note3,7)
On Resistance Match
Between Channels
(Note3,4,5)
2.1
4.3 to 5.5
2.6
1.65 to 2.3
0.4
2.3 to 2.7
0.7
Full
1.0
3.6 to 4.3
1.3
4.3 to 5.5
1.5
1.0
10
7.0
12
15
9.0
20
12
30
20
50
Full
3.0
Full
2.3
Full
1.65
Full
4.5
Full
25
0≤ VBn≤ Vcc
3.0
Full
50
IA=-8mA, 0≤ VBn≤ Vcc
2.3
Full
100
IA=-4mA, 0≤ VBn≤ Vcc
1.65
Full
300
IA=-30mA, VBn = 3.15V
4.5
Room
0.15
IA=-24mA, VBn = 2.1V
3.0
Room
0.2
IA=-8mA, VBn = 1.6V
2.3
Room
0.5
IA=-4mA, VBn = 1.15V
1.65
Room
0.5
5.0
Room
6.0
0≤ VBn≤ Vcc
3.3
Room
12
IA=-8mA, 0≤ VBn≤ Vcc
2.5
Room
28
IA=-4mA, 0≤ VBn≤ Vcc
1.8
Room
125
IA=-24mA
μA
V
4.5
3.0
5.0
7.0
4.0
10
5.0
13
6.5
17
V
μA
Ω
Ω
Ω
IA=-30mA
IA=-24mA
On Resistance Flatness
(Note3,4,6)
1.8
Room
Full
0≤ VBn≤ Vcc
RFLAT
±1
5.5
0≤ VBn≤ Vcc
RRANGE
Full
3.6 to 4.3
2.7 to 3.6
VIN =Vcc or GND
IO=0
VIN = 0V, IO=30mA
VIN = 2.4V, IO=-30mA
VIN = 4.5V, IO=-30mA
VIN = 0V, IO=24mA
VIN = 3V, IO=-24mA
VIN = 0V, IO=8mA
VIN = 2.3V, IO=-8mA
VIN = 0V, IO=4mA
VIN = 1.65V, IO=-4mA
IA=-30mA
±0.1
μA
1.4
2.3 to 2.7
Input High Voltage
±1
1.1
1.65 to 2.3
VIH
±0.1
V
Ω
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UM3157
Electrical Characteristics (Continued)
Limits (–40 to 85 °C)
Symbol
Parameter
Test Conditions
Vcc(V)
Temp
Unit
Min
Typ
Max
AC Electrical Characteristics
tPHL
tPLH
Propagation Delay
Bus to Bus (Note 9)
VI = OPEN
tPZL
tPZH
Output Enable Time
Turn On Time
(A to Bn)
VI = 2×VCC for tPZL
VI = 0 V for tPZH
tPLZ
tPHZ
Output Disable Time
Turn Off Time
(A Port to B Port)
VI = 2×VCC for tPLZ
VI = 0 V for tPHZ
tD
Break Before Make Time
(Note 8)
QINJ
Charge Injection
(Note 8)
CL = 0.1 nF,
VGEN = 0 V RGEN = 0Ω
1.65 to1.95
2.3 to 2.7
3.0 to 3.6
4.5 to 5.5
1.65 to1.95
2.3 to 2.7
3.0 to 3.6
4.5 to 5.5
1.65 to1.95
2.3 to 2.7
3.0 to 3.6
4.5 to 5.5
1.65 to1.95
2.3 to 2.7
3.0 to 3.6
4.5 to 5.5
5.0
3.3
OIRR
Off Isolation (Note 10)
RL=50Ω, f = 10 MHz
Xtalk
Crosstalk
BW
THD
1.2
0.8
0.3
Full
Full
Full
Full
7.0
3.5
2.5
1.7
3.0
2.0
1.5
0.8
0.5
0.5
0.5
0.5
24
14
7.6
5.7
13
7.5
5.3
3.8
ns
ns
ns
ns
Room
7.0
3.0
pC
1.65 to 5.5
Room
-57
dB
RL=50Ω, f = 10 MHz
1.65 to 5.5
Room
-54
dB
-3 dB Bandwidth
RL=50Ω
1.65 to 5.5
Room
250
MHz
Total Harmonic Distortion
(Note8)
RL=600Ω
0.5VP-P
f=600Hz to 20kHz
5.0
Room
0.011
%
Capacitance
IN Pin Input Capacitance
2.3
pF
VCC = 0V
(Note11)
B Port Off Capacitance
CIO-B
6.5
pF
VCC =5.0V
(Note11)
A Port Capacitance when
CIOA-ON
Switch is Enabled
VCC =5.0V
18.5
pF
(Note11)
3: Measured by the voltage drop between A and B pins at the indicated current through the switch. On Resistance is determined by the
lower of the voltages on the two (A or B Ports).
4: Parameter is characterized but not tested in production.
5: ΔRON = ︱RON (B0) − RON(B1) ︱measured at identical VCC, temperature and voltage levels.
6: Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of
conditions.
7: Guaranteed by Design.
8: Guaranteed by Design.
9: This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of
the On Resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance).
10: Off Isolation = 20 log10 [VA/VBn].
11: TA = +25, f = 1 MHz, Capacitance is characterized but not tested in production.
CIN
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UM3157
Test Circuits/Timing Diagrams
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UM3157
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UM3157
Package Information
UM3157 SC70-6/SC88/SOT363
Outline Drawing
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
DIMENSIONS
MILLIMETERS
Min
Max
0.900
1.100
0.000
0.100
0.877
1.000
0.150
0.350
0.080
0.220
1.800
2.200
1.150
1.350
2.000
2.450
0.650REF
1.200
1.400
0.488REF
0.260
0.460
0°
8°
INCHES
Min
Max
0.035
0.043
0.000
0.004
0.035
0.039
0.006
0.014
0.003
0.009
0.071
0.087
0.045
0.053
0.079
0.096
0.026REF
0.047
0.055
0.020REF
0.010
0.018
0°
8°
Land Pattern
NOTES:
1. Compound dimension: 2.10×1.25;
2. Unit: mm;
3.General tolerance ±0.05mm unless otherwise specified;
4. The layout is just for reference.
Tape and Reel Orientation
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UM3157
IMPORTANT NOTICE
The information in this document has been carefully reviewed and is believed to be
accurate. Nonetheless, this document is subject to change without notice. Union assumes
no responsibility for any inaccuracies that may be contained in this document, and makes
no commitment to update or to keep current the contained information, or to notify a
person or organization of any update. Union reserves the right to make changes, at any
time, in order to improve reliability, function or design and to attempt to supply the best
product possible.
Union Semiconductor, Inc
Add: 7F, No. 5, Bibo Road, Shanghai 201203
Tel: 021-51097928
Fax: 021-51026018
Website: www.union-ic.com
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