STG5678

STG5678
Low voltage dual SPDT switch
with negative rail capability
Features
■
Distortion-free negative signal throughput
down to VCC - 5.5 V
■
Wide operating voltage range:
VCC (opr) = 1.65 to 4.5 V single supply
■
Ultra low power dissipation:
ICC = 0.2 µA (max.) at TA = 85 °C
■
Low ON resistance:
RON = 0.5 Ω (max. TA = 25 °C) at VCC = 3.6 V
■
4.3 V tolerant and 1.8 V compatible threshold
on digital control input at VCC = 1.65 V to 4.5 V
■
Latch-up performance exceeds 300 mA
(JESD 17)
■
ESD performance:
– 2000-V human-body model
(IEC61340-3-1:2002 level 2)
– 200-V machine model
(IEC61340-3-2 level M2)
– 1000-V charge device model
(JESD22-C101-A level III)
Flip-chip 12
Description
The STG5678 is a high-speed CMOS low voltage
dual analog SPDT (single pole dual throw) switch
or 2:1 multiplexer/de-multiplexer switch fabricated
in silicon gate CMOS technology. It is designed to
operate from 1.65 to 4.5 V.
The device is capable of handling signals with
negative voltages from VCC - 5.5 V to VCC without
any distortion.
Additional key features are fast switching speed,
break-before-make delay time and ultra low power
consumption. All inputs and outputs are equipped
with protection circuits against static discharge,
giving them ESD immunity and transient excess
voltage.
Table 1.
June 2010
Device summary
Order code
Package
Packaging
STG5678BJR
Flip-chip 12
Tape and reel
STG5678CJR
Flip-chip 12 (with back side coating)
Tape and reel
Doc ID 14580 Rev 3
1/23
www.st.com
23
Contents
STG5678
Contents
1
Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
STG5678 device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6
Application hint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1
Input signal dynamic range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2/23
Doc ID 14580 Rev 3
STG5678
Pin settings
1
Pin settings
1.1
Pin connection
Figure 1.
Pin connection (bump side view)
See note 1
A
B
C
D
A
B
C
D
1
A1
B1
C1
D1
1
1SEL
1S1
D1
1S2
2
A2
B2
C2
D2
2
NC
GND
GND
VCC
3
A3
B3
C3
D3
3
2SEL
2S1
D2
2S2
1. Note 1: bump A1 is distinguished by a circular dot on the top-side. There is no circular dot on the bumpside.
1.2
Pin description
Table 2.
Pin assignment
Pin number
Symbol
A1
1SEL
A2
NC
A3
2SEL
B1
1S1
Independent channel for switch 1
B2
GND
Ground (0 V)
B3
2S1
Independent channel for switch 2
C1
D1
Common channel for switch 1
C2
GND
C3
D2
Common channel for switch 2
D1
1S2
Independent channel for switch 1
D2
VCC
Positive supply voltage
D3
2S2
Independent channel for switch 2
Doc ID 14580 Rev 3
Name and function
Selection control for switch 1
No connection
Selection control for switch 2
Ground (0 V)
3/23
STG5678 device summary
2
STG5678
STG5678 device summary
Figure 2.
Functional diagram
2SEL
2SEL
2S1
2S1
D2
D2
2S2
2S2
1S1
1S1
D1
D1
1S2
1S2
1SEL
1SEL
Figure 3.
Input equivalent circuit
S2
D
S1
SEL
Table 3.
1.
4/23
Truth table
SEL
Switch S1
Switch S2
H
ON
OFF (1)
L
OFF (1)
ON
High impedance
Doc ID 14580 Rev 3
STG5678
3
Maximum rating
Maximum rating
Stressing the device above the rating listed in the “absolute maximum ratings” table may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the operating sections of
this specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Table 4.
Absolute maximum ratings
Symbol
VCC
Parameter
Supply voltage
Value
Unit
-0.5 to 5.5
V
- (VCC - 6.0) to
VCC + 0.5
V
-0.5 to 5.5
V
- (VCC - 6.0 V) to
VCC + 0.5
V
VI
DC input voltage
VIC
DC control input voltage
VO
DC output voltage
IIKC
DC input diode current on control pin (VSEL < 0 V)
-50
mA
IIK
DC input diode current (VIN < 0 V)
±50
mA
IOK
DC output diode current
±20
mA
IO
DC output current
±150
mA
IOP
DC output current peak (pulse at 1ms, 10% duty cycle)
±400
mA
DC VCC or ground current
±100
mA
PD
Power dissipation at TA = 70°C (1)
1120
mW
Tstg
Storage temperature
-65 to 150
°C
300
°C
ICC or
IGND
TL
Lead temperature (10 sec)
1. Derate above 70 ºC by 18.5 mW/C
Doc ID 14580 Rev 3
5/23
Maximum rating
3.1
STG5678
Recommended operating conditions
Table 5.
Recommended operating conditions
Symbol
VCC
Supply voltage
VI
Input voltage
VIC
Control input voltage
VO
Output voltage
Top
Operating temperature
dt/dv
6/23
Parameter
Input rise and fall time control
input
Value
Unit
1.65 to 4.5
V
VCC -5.5 to VCC
V
0 to 4.5
V
VCC -5.5 to VCC
V
-40 to 85
°C
VCC = 1.65 to 2.7 V
0 to 20
VCC = 3.0 to 4.5 V
0 to 10
Doc ID 14580 Rev 3
ns/V
STG5678
Electrical characteristics
4
Electrical characteristics
Table 6.
DC specifications
Test conditions
Symbol
VIH
VIL
RON
ΔRON
RFLAT
Parameter
High level
input voltage
Low level
input voltage
Switch ON
resistance
ON
resistance
match
between
channels (1)
ON
resistance
flatness (2)
Value
TA = 25 °C
VCC
(V)
-40 to 85 °C
Unit
Min
Typ
Max
Min
Max
1.65 − 1.95
0.9
–
–
0.9
–
2.25 − 2.7
0.9
–
–
0.9
–
3.0 − 4.3
1.0
–
–
1.0
–
4.5
1.1
–
–
1.1
–
1.65 − 1.95
–
–
0.6
–
0.6
2.25 − 2.7
–
–
0.6
–
0.6
3.0 − 4.3
–
–
0.7
–
0.7
4.5
–
–
0.7
–
0.7
1.8
–
3.80
4.60
–
7.0
–
0.77
0.90
–
1.2
–
0.64
0.80
–
1.0
3.6
–
0.51
0.65
–
1.0
1.8
–
50
–
–
500
–
20
–
–
500
–
15
–
–
500
3.6
–
15
–
–
500
1.8
–
3.5
–
–
6.6
–
0.50
–
–
0.8
–
0.40
–
–
0.6
–
0.25
–
–
0.5
–
-0.55
–
-2
1
µA
–
-0.55
–
-2
1
µA
2.7
3.0
2.7
3.0
2.7
3.0
V
V
VS = VCC − 5.5 V
to VCC;
IS = 100 mA
VS at RON max
IS = 100 mA
VS = VCC − 5.5 V
to VCC;
IS = 100 mA
3.6
IOFF
Sn OFF
state
leakage
current
3.6
VS = -1.2 to
3.6 V
VD = 3.6 to
-1.2 V
ION
Sn ON state
leakage
current
3.6
VS = -1.2 to
3.6 V
VD = open
Ω
mΩ
Doc ID 14580 Rev 3
Ω
7/23
Electrical characteristics
Table 6.
STG5678
DC specifications (continued)
Test conditions
Symbol
Parameter
Value
TA = 25 °C
VCC
(V)
-40 to 85 °C
Min
Typ
Max
Min
Max
0.55
–
-2
1
µA
0.1
-1
1
µA
µA
D ON state
leakage
current
3.6
VS = open
VD = -1.2 V to
3.6 V
–
IIH,IIL
SEL leakage
current
3.6
VSEL= 3.6 V or
GND
-0.1
ICCLV
Quiescent
supply
current low
voltage
driving
3.6
V1SEL, V2SEL =
1.80 V
–
7
–
–
10
–
5.6
–
–
10
ICC
Quiescent
supply
current(3)
–
8
–
–
16
–
0.05
–
–
0.1
ID
2.5
3.6
V1SEL= V2SEL =
VCC
1.65 −4.5
V1SEL= V2SEL =
GND
1. Note 1: ΔRON = RON(max) - RON (min)
2. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal ranges.
3. When V1SEL and V2SEL is both low, the ICC consumption will reduce to less than 0.1 µA (max)
8/23
Unit
Doc ID 14580 Rev 3
µA
STG5678
Table 7.
Electrical characteristics
AC electrical characteristics (CL = 35 pF, RL = 50 Ω, tr = tf ≤5 ns)
Test conditions
Symbol
tPLH, tPHL
Parameter
Propagation
delay
Turn ON
time
TA = 25°C
Vcc
(V)
Typ
Max
Min
Max
1.65 − 1.95
–
0.45
–
–
–
2.3 − 2.7
–
0.40
–
–
–
3.0 − 3.3
–
0.30
–
–
–
3.6
–
0.25
–
–
–
–
220
265
–
–
–
140
175
–
–
–
110
135
–
–
–
105
130
–
–
–
120
150
–
–
–
77
92
–
–
–
77
92
–
–
–
77
92
–
–
–
120
–
–
–
–
66
–
–
–
–
40
–
–
–
3.6
–
30
–
–
–
1.65 − 1.95
–
55
–
–
–
–
76
–
–
–
–
94
–
–
–
–
126
–
–
–
VS = 0.8 V
2.3 − 2.7
3.0 − 3.3
1.65 − 1.95
Turn OFF
time
ns
VS = 1.5 V
VS = 0.8
2.3 − 2.7
3.0 − 3.3
ns
VS = 1.5 V
3.6
1.65 − 1.95
tD
Q
Breakbefore-make
time delay
Charge
injection
2.3 − 2.7
3.0 − 3.3
2.3 − 2.7
3.0 − 3.3
3.6
Unit
ns
3.6
tOFF
-40 to 85°C
Min
1.65 − 1.95
tON
Value
CL = 35 pF
RL = 50 Ω
VS = VCC/2
CL = 100 pF
VGEN = 0 V
ns
pC
Doc ID 14580 Rev 3
9/23
Electrical characteristics
Table 8.
STG5678
Analog switch characteristics (CL = 5 pF, RL = 50 Ω,)
Test conditions
Symbol
OIRR
Xtalk
Parameter
OFF isolation (1)
Crosstalk(2)
TA = 25 °C
VCC
(V)
2.7 − 3.6
2.7 − 3.6
Max
Min
Max
VS = 1 VRMS,
f = 100 kHz
–
-86
–
–
–
VS = 1 VRMS,
f = 1 MHz
–
-70
–
–
–
VS = 1 VRMS,
f = 5 MHz
–
-54
–
–
–
VS = 1 VRMS,
f = 100 kHz
–
-96
–
–
–
VS = 1 VRMS,
f = 1 MHz
–
-87
–
–
–
VS = 1 VRMS,
f = 5 MHz
–
-74
–
–
–
–
0.01
–
–
–
%
RL = 50 Ω
Signal = 0 dBm
–
30
–
–
–
MHz
f = 1 MHz
–
12
–
–
–
pF
–
120
–
–
–
pF
–
290
–
–
–
pF
Total harmonic
distortion
BW
-3dB bandwidth
2.7 − 3.6
CSEL
Control pin input
capacitance
3.3
OFF Sn port
capacitance
3.3
D port capacitance
when switch is
enabled
3.3
f = 1 MHz
f = 1 MHz
1. Off isolation = 20Log10 (VD/VS), VD = output. VS = input to off switch.
2. Crosstalk values are measured between two switches.
10/23
Unit
Typ
THD
CD
-40 to 85 °C
Min
RL = 32 Ω
VIN = 0.5 VPP
2.7 − 3.6
DC bias = 0
f = 20 Hz to 20 kHz
CSn(OFF)
Value
Doc ID 14580 Rev 3
dB
dB
STG5678
5
Test circuit
Test circuit
Figure 4.
ON resistance
I
DS
V
V CC
D
S1
VS
S2
IN
GND
GND
CS14071
Figure 5.
OFF leakage
V
CC
I
I
S(OFF)
D(OFF)
D
A
A
V
SS
V
D
S2
IN
V
CC
GND
CS14081
Doc ID 14580 Rev 3
11/23
Test circuit
STG5678
Figure 6.
OFF isolation
V
CC
S1
V OUT
50 Ω
S2
IN
GND
VS
GND
CS00381
Figure 7.
Bandwidth
V
CC
D
S1
V
OUT
S2
V
IN
CC
GND
CS00371
12/23
Doc ID 14580 Rev 3
STG5678
Test circuit
Figure 8.
Channel-to-channel crosstalk
CS14091
Figure 9.
Test circuit
2. CL = 5/35 pF or equivalent (includes jig and probe capacitance)
3. RL = 50 Ω or equivalent
4. RT = ZOUT of pulse generator (typically 50 Ω)
Doc ID 14580 Rev 3
13/23
Test circuit
STG5678
Figure 10. Break-before-make time delay
Figure 11. Switching time and charge injection (VGEN = 0 V, RGEN = 0 Ω, RL = 1 MΩ,
CL = 100 pF)
Figure 12. Turn on, turn off delay time
VCC
S1
D
VOUT
R
L
C
L
S2
IN
V IN
GND
CS08721
14/23
Doc ID 14580 Rev 3
STG5678
Application hint
6
Application hint
6.1
Input signal dynamic range
The STG5678 negative analog switch allows input signals that fall below 0 V to pass through
the switch without signal distortion. The input signal dynamic range VI consists of a
positive-region and a negative-region.
The positive-region is limited by the level of VCC. The negative-region is limited by the
difference between VCC and 5.5 V. The effect of this is that, the higher the VCC, the smaller
the operating range in the negative region.
For example, if VCC = 3.6 V, the input signal dynamic range is from -1.9 V to 3.6 V.
Figure 13. Application diagram
VCC
VCC
VI
Negative SW
0V
VCC-5.5
Negative region
Doc ID 14580 Rev 3
15/23
Package mechanical data
7
STG5678
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Figure 14. Package outline for Flip-chip 12
3
2
1
D
C
B
Bottom view
16/23
Doc ID 14580 Rev 3
A
STG5678
Package mechanical data
Table 9.
Mechanical data for Flip-chip 12
Millimeters
Symbol
Min
Typ
Max
A
0.55
0.605
0.66
A1
0.17
0.205
0.24
A2
0.38
0.4
0.42
b
0.215
0.255
0.295
D
1.568
1.598
1.628
D1
–
1.2
–
E
1.168
1.198
1.228
E1
–
0.8
–
e
0.36
0.4
0.44
f
0.189
0.199
0.209
ccc
–
0.05
–
Figure 15. Footprint recommendation
Doc ID 14580 Rev 3
17/23
Package mechanical data
STG5678
Figure 16. Package outline for Flip-chip 12 with back side coating
C
B
A
4
$
N5_ME
Table 10.
Mechanical data for Flip-chip 12 with back side coating
Millimeters
Symbol
18/23
Min
Typ
Max
A
0.595
0.65
0.705
A1
0.165
0.20
0.235
A2
0.38
0.4
0.42
b
0.215
0.255
0.295
D
1.568
1.598
1.628
D1
–
1.2
–
E
1.168
1.198
1.228
E1
–
0.8
–
e
0.36
0.4
0.44
f
0.189
0.199
0.209
ccc
–
0.05
–
Doc ID 14580 Rev 3
STG5678
Package mechanical data
Figure 17. Footprint recommendation
A
B
C
1
2
3
4
N5_FR
Figure 18. Tape information
Doc ID 14580 Rev 3
19/23
Package mechanical data
STG5678
Figure 19. Tape orientation
User direction of feed
AM00745V1
Table 11.
20/23
Reel measurement
Tape
width
(mm)
A
N
Max
Min
8
180
54
W2
W3
W1
8.4
+1.5/-0
Doc ID 14580 Rev 3
Max
Min
Max
14.4
7.9
10.9
STG5678
Package mechanical data
Figure 20. Reel information
Doc ID 14580 Rev 3
21/23
Revision history
8
STG5678
Revision history
Table 12.
22/23
Document revision history
Date
Revision
Changes
01-Apr-2008
1
Initial release.
10-Sep-2008
2
Document status promoted from preliminary data to datasheet.
Modified: Figure 19 on page 20.
Updated: Table 9 on page 17.
04-Jun-2010
3
Added: Flip-chip 12 with back side coating. Document reformatted.
Doc ID 14580 Rev 3
STG5678
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Doc ID 14580 Rev 3
23/23