MAX4800A Datasheet, PDF (1/15 Pages) Maxim Integrated Products – Low-Charge-Injection, 8-Channel, High-Voltage Analog Switches with 20MHz Serial Interface

19-4120; Rev 1; 2/11
Low-Charge-Injection, 8-Channel, High-Voltage
Analog Switches with 20MHz Serial Interface
General Description
The MAX4800A/MAX4802A provide high-voltage switch-
ing on eight channels for ultrasonic imaging and printer
applications. The devices utilize BCDMOS process
technology to provide eight high-voltage low-charge-
injection SPST switches, controlled by a 20MHz serial
interface. Data is clocked into an internal 8-bit shift reg-
ister and retained by a programmable latch with enable
and clear inputs. A power-on reset function ensures that
all switches are open on power-up.
The devices operate with a wide range of high-voltage
supplies including: V_PP/V_NN = +100V/-100V, +185V/-15V,
and +40V/-160V. The digital interface operates from a
separate V_DD supply from +2.7V to +6V. Digital inputs
DIN, CLK, LE, and CLR are +6V tolerant, independent
of the V_DD supply voltage. The MAX4802A provides
integrated 35kΩ bleed resistors on each switch terminal
to discharge capacitive loads.
The devices are drop-in replacements for the Supertex
HV2203 and HV2303. They are available in the 48-pin
LQFP, 26-bump CSBGA, and 28-pin PLCC packages.
All devices are specified for the commercial 0°C to
+70°C temperature range.
Features
♦ Fast SPI™ Interface 20MHz
♦ Pin-Compatible Replacement for Supertex HV2203
(MAX4800A)
♦ Pin-Compatible Replacement for Supertex HV2303
(MAX4802A)
♦ Flexible High-Voltage Supplies Up to V_PP - V_NN = 200V
♦ Low-Charge-Injection, Low-Capacitance 22Ω
Switches
♦ DC to 50MHz Analog-Signal Frequency Range
♦ -77dB Off-Isolation at 5MHz
♦ Low 10µA Quiescent Current
♦ Integrated Bleed Resistors (MAX4802A Only)
♦ Available in Standard PLCC, LQFP, and CSBGA
Packages
Pin/Bump Configurations
Ultrasound Imaging
Printers
Applications
Ordering Information/
Selector Guide
PART
BLEED
SECOND PIN-
RESISTORS SOURCE PACKAGE
MAX4800ACXZ+*
No
—
26 CSBGA
MAX4800ACQI+
No
HV2203PJ-G 28 PLCC
MAX4800ACCM+*
No
HV2203FG-G 48 LQFP
MAX4802ACXZ+*
Yes
—
26 CSBGA
MAX4802ACQI+
Yes
HV2303PJ-G 28 PLCC
MAX4802ACCM+*
Yes
HV2303FG-G 48 LQFP
Note: All devices are specified over the commercial 0°C to +70°C
temperature range.
*Future product—contact factory for availability.
+Denotes a lead(Pb)-free/RoHS-compliant package.
SPI is a trademark of Motorola, Inc.
TOP VIEW
36 35 34 33 32 31 30 29 28 27 26 25
DOUT 37
N.C. 38
COM7 39
N.C. 40
NO7 41
N.C. 42
COM6 43
N.C. 44
NO6 45
N.C. 46
NO5 47
N.C. 48
+
MAX4800A
MAX4802A
1 2 3 4 5 6 7 8 9 10 11 12
24 VPP
23 N.C.
22 NO0
21 N.C.
20 COM0
19 N.C.
18 NO1
17 N.C.
16 COM1
15 N.C.
14 NO2
13 N.C.
() MAX4802A ONLY
LQFP
(7mm x 7mm)
Pin/Bump Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.