Supertex inc.
Low Charge Injection 8-Channel High Voltage
Analog Switches with Bleed Resistors
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HV232
Features
HVCMOS
®
technology for high performance
Very low quiescent power dissipation (10µA max.)
Output on-resistance (22Ω typ.)
Integrated bleed resistors on the outputs
Low parasitic capacitances
DC to 50MHz small signal frequency response
-60dB typical output off isolation at 5.0MHz
CMOS logic circuitry for low power
Excellent noise immunity
On-chip shift register, latch and clear logic circuitry
Flexible high voltage supplies
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Medical ultrasound imaging
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Piezoelectric transducer drivers
Applications
The Supertex HV232 is a low charge injection 8-channel,
high-voltage, analog switch integrated circuit (IC) with bleed
resistors. This device can be used in applications requiring
high voltage switching controlled by low voltage control
signals, such as ultrasound imaging and printers. The bleed
resistors eliminate voltage built up on capacitive loads such
as piezoelectric transducers. Input data is shifted into an 8-bit
shift register which can then be retained in an 8-bit latch. To
reduce any possible clock feed-through noise, Latch Enable
(LE) should be left high until all bits are clocked in. Using
HVCMOS
®
technology, this switch combines high voltage
bilateral DMOS switches and low power CMOS logic to
provide efficient control of high voltage analog signals.
This IC is suitable for various combinations of high voltage
supplies, e.g., V
PP
/V
NN
: +50V/–150V, or +100V/–100V.
General Description
Block Diagram
Latches
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
Level
Shifters
Output
Switches
SW0
SW1
DIN
SW2
CLK
8-Bit
Shift
Register
SW3
SW4
DOUT
SW5
SW6
SW7
VDD
LE CL
VNN VPP
RGND
Tel: 408-222-8888
www.supertex.com
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
HV232
Ordering Information
Package Options
Device
7.00x7.00mm body
1.60mm height (max)
0.50mm pitch
48-Lead LQFP
.453x.453in body
.180in height (max)
.050in pitch
28-Lead PLCC
HV232
HV232FG-G
HV232PJ-G
-G indicates the part is RoHS compliant (Green)
Absolute Maximum Ratings
Parameter
V
DD
logic power supply voltage
V
PP
- V
NN
supply voltage
V
PP
positive high voltage supply
V
NN
negative high voltage supply
Logic input voltages
Analog signal range
Peak analog signal current/channel
Storage temperature
Power dissipation:
48-Lead LQFP
28-Lead PLCC
Value
-0.5V to +15V
220V
-0.5V to V
NN
+200V
+0.5V to -200V
-0.5V to V
DD
+0.3V
V
NN
to V
PP
3.0A
-65
O
C to +150
O
C
1.0W
1.2W
Pin Configuration
1
48
48-Lead LQFP (FG)
(top view)
1 28
4
26
Absolute Maximum Ratings are those values beyond which damage to the device may
occur. Functional operation under these conditions is not implied. Continuous operation
of the device at the absolute rating level may affect device reliability. All voltages are
referenced to device ground.
28-Lead PLCC (PJ)
(top view)
Operating Conditions
Sym Parameter
V
DD
V
PP
V
NN
V
IH
V
IL
V
SIG
T
A
Logic power supply voltage
1,3
Positive high voltage supply
1,3
Negative high voltage supply
1,3
High level input voltage
Low-level input voltage
Analog signal voltage
peak-to-peak
2
Operating free air temperature
Value
4.5V to 13.2V
40V to V
NN
+200V
-40V to -160V
V
DD
-1.5V to V
DD
0V to 1.5V
V
NN
+10V to V
PP
-10V
0
O
C to 70
O
C
Product Marking
Top Marking
YY = Year Sealed
WW = Week Sealed
L LL L LL L LL
L = Lot Number
Bottom Marking
C = Country of Origin*
A = Assembler ID*
= “Green” Packaging
CCCCCCCC
HV232FG
YYWW
AAA
*May be part of top marking
Package may or may not include the following marks: Si or
48-Lead LQFP (FG)
Top Marking
HV232PJ
YYWW
LLLLLLLLLL
Notes:
1.
Power up/down sequence is arbtrary except GND must be powered -up first and
powered down last.
2.
3.
V
SIG
must be V
NN
≤ V
SIG
≤ V
PP
or floating during power up/down transition.
Rise and fall times of power supplies V
DD
, V
PP
, and V
NN
should not be less than
1.0msec.
Bottom Marking
CCCCCCCCCCC
AAA
YY = Year Sealed
WW = Week Sealed
L = Lot Number
C = Country of Origin*
A = Assembler ID*
= “Green” Packaging
*May be part of top marking
Package may or may not include the following marks: Si or
28-Lead PLCC (PJ)
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
2
Tel: 408-222-8888
www.supertex.com
HV232
DC Electrical Characteristics
(Over operating conditions unless otherwise specified )
Sym
Parameter
0
O
C
Min
-
-
R
ONS
Small signal switch on-resistance
-
-
-
-
ΔR
ONS
R
ONL
R
INT
I
SOL
V
OS
I
PPQ
I
NNQ
I
PPQ
I
NNQ
I
SW
f
SW
Small signal switch on-resistance
matching
Large signal switch on-resistance
Output switch shunt resistance
Switch off leakage per switch
DC offset switch off
DC offset switch on
Quiescent V
PP
supply current
Quiescent V
NN
supply current
Quiescent V
PP
supply current
Quiescent V
NN
supply current
Switch output peak current
Output switching frequency
-
-
-
-
-
-
-
-
-
-
-
-
-
I
PP
Supply current
-
-
-
I
NN
Supply curent
-
-
I
DD
I
DDQ
I
SOR
I
SINK
C
IN
Logic supply average current
Logic supply quiescent current
Data out source current
Data out sink current
Logic input capacitance
-
-
0.45
0.45
-
Max
30
25
25
18
23
22
20
-
-
5.0
300
500
-
-
-
-
3.0
-
6.5
4.0
4.0
6.5
4.0
4.0
4.0
10
-
-
10
Min
-
-
-
-
-
-
-
-
20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.45
0.45
-
+25
O
C
Typ
26
22
22
18
20
16
5.0
15
35
1.0
100
100
10
-10
10
-10
3.0
-
-
-
-
-
-
-
-
-
0.70
0.70
-
Max
38
27
27
24
25
25
20
-
50
10
300
500
50
-50
50
-50
2.0
50
7.0
5.0
5.0
7.0
5.0
5.0
4.0
10
-
-
10
+70
O
C
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.40
0.40
-
Max
48
32
30
27
30
27
20
-
-
15
300
500
-
-
-
-
2.0
-
8.0
5.5
5.5
8.0
5.5
5.5
4.0
10
-
-
10
mA
μA
mA
mA
pF
mA
mA
%
Ω
KΩ
μA
mV
mV
μA
μA
μA
μA
A
kHz
Ω
Units Conditions
I
SIG
= 5.0mA
I
SIG
= 200mA
I
SIG
= 5.0mA
I
SIG
= 200mA
I
SIG
= 5.0mA
I
SIG
= 200mA
V
PP
= +40V
V
NN
= -160V
V
PP
= +100V
V
NN
= -100V
V
PP
= +160V
V
NN
= -40V
I
SIG
= 5.0mA, V
PP
= +100V,
V
NN
= -100V
V
SIG
= V
PP
-10V, I
SIG
= 1.0A
Output switch to R
GND
I
RINT
= 0.5mA
V
SIG
= V
PP
-10V
No load
No load
All switches off
All switches off
All switches on, I
SW
= 5.0mA
All switches on, I
SW
= 5.0mA
V
SIG
duty cycle - 0.1%
Duty cycle = 50%
V
PP
= +40V
V
NN
= -160V
V
PP
= +100V
V
NN
= -100V
V
PP
= +160V
V
NN
= -40V
V
PP
= +40V
V
NN
= -160V
V
PP
= +100V
V
NN
= -100V
V
PP
= +160V
V
NN
= -40V
---
V
OUT
= V
DD
-0.7V
V
OUT
= 0.7V
---
All output
switches are
turning on and
off at 50kHz
with no load
All output
switches are
turning on and
off at 50kHz
with no load
f
CLK
= 5.0MHz, V
DD
= 5.0V
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
3
Tel: 408-222-8888
www.supertex.com
HV232
AC Electrical Characteristics
(Over recommended operating conditions, V
Sym
t
SD
t
WLE
t
DO
t
WCL
t
SU
t
H
f
CLK
t
R
, t
F
t
ON
t
OFF
dv/dt
Parameter
Set up time before LE rises
Time width of LE
Clock delay time to data out
Time width of CL
Set up time data to clock
Hold time data from clock
Clock frequency
Clock rise and fall times
Turn on time
Turn off time
0
O
C
Min
150
150
55
150
15
35
-
-
-
-
-
Maximun V
SIG
slew rate
-
-
K
O
K
CR
I
ID
Off isolation
Switch crosstalk
Output switch isolation diode current
-30
-58
-60
-
5.0
25
-
-
Output voltage spike
-
-
-
-
Max
-
-
150
-
-
-
5.0
1.0
5.0
5.0
20
20
20
-
-
-
300
17
50
-
-
-
-
-
-
Min
150
150
60
150
15
35
-
-
-
-
-
-
-
-30
-58
-60
-
5.0
25
-
-
-
-
-
-
+25
O
C
Typ
-
-
-
-
8.0
-
-
-
-
-
-
-
-
-33
-
-70
-
12
38
-
-
-
-
-
-
Max
-
-
150
-
-
-
5.0
1.0
5.0
5.0
20
20
20
-
-
-
300
17
50
150
150
150
150
150
150
Min
150
150
70
150
20
35
-
-
-
-
-
-
-
-30
-58
-60
-
5.0
25
-
-
-
-
-
-
DD
= 5.0V, unless otherwise specified)
+70
O
C
Max
-
-
150
-
-
-
5.0
1.0
5.0
5.0
20
20
20
-
-
-
300
17
50
-
-
-
-
-
-
Units Conditions
ns
ns
ns
ns
ns
ns
MHz
μs
μs
μs
---
---
---
---
---
---
50% Duty cycle, f
DATA
= f
CLK
/2
---
V
SIG
= V
PP
-10V, R
L
= 10kΩ
V
SIG
= V
PP
-10V, R
L
= 10kΩ
V
PP
= +160V, V
NN
= -40V
V/ns
V
PP
= +100V, V
NN
= -100V
V
PP
= +40V, V
NN
= -160V
dB
dB
mA
pF
pF
f = 5.0MHz, 1.0kΩ/15pF load
f = 5.0MHz, 50Ω load
f = 5.0MHz, 50Ω load
300ns pulse width,
2.0% duty cycle
0V, f = 1.0MHz
0V, f = 1.0MHz
V
PP
= +40V, V
NN
= -160V,
R
L
= 50Ω
mV
V
PP
= +100V, V
NN
= -100V,
R
L
= 50Ω
V
PP
= +160V, V
NN
= -40V,
R
L
= 50Ω
C
SG(OFF)
Off capacitance SW to GND
C
SG(ON)
+V
SPK
-V
SPK
+V
SPK
-V
SPK
+V
SPK
-V
SPK
On capacitance SW to GND
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
4
Tel: 408-222-8888
www.supertex.com
HV232
Truth Table
D0
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D1
D2
D3
D4
D5
D6
D7
LE
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
X
CLK
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
Hold Previous State
All Switches Off
SW0
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
SW1
SW2
SW3
SW4
SW5
SW6
SW7
Notes:
1. The eight switches operate independently.
2. Serial data is clocked in on the L to H transition of the CLK.
3.
The switches go to a state retaining their present condition at the rising edge of LE. When LE is low the shift register data flow through the latch.
4. D
OUT
is high when data in the shift register 7 is high.
5. Shift register clocking has no effect on the switch states if LE is high.
6. The CLR clear input overrides all other inputs.
Logic Timing Waveforms
D
N+1
DATA
IN
50%
D
N
50%
D
N-1
LE
50%
50%
t
WLE
t
SD
CLOCK
t
SU
50%
t
h
t
DO
50%
DATA
OUT
OFF
ON
CLR
50%
50%
50%
t
OFF
90%
10%
t
ON
V
OUT
(typ)
t
WCL
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
5
Tel: 408-222-8888
www.supertex.com
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