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MAX14803CCM+TG5E 数据手册 - Maxim Integrated（美信）
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Maxim Integrated（美信）
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MAX14803CCM+TG5E数据手册
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MAX14802/MAX14803/
MAX14803A
Low-Charge Injection, 16-Channel,
High-Voltage Analog Switches
19-4484; Rev 4; 6/13
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX14802/MAX14803/MAX14803A provide high-
voltage switching on 16 channels for ultrasonic imaging
and printer applications. The devices utilize HVCMOS
process technology to provide 16 high-voltage low-
charge-injection SPST switches, controlled by a digital
interface. Data is clocked into an internal 16-bit shift
register 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 MAX14802/MAX14803/MAX14803A operate with a
wide range of high-voltage supplies including V
PP
/V
NN
= +100V/-100V, +200V/0V, or +40V/-160V. The digital
interface operates from a separate +2.7V to +5.5V V
DD
supply. Digital inputs DIN, CLK, LE, and CLR operate
on the V
DD
supply voltage.
The MAX14803/MAX14803A provide integrated 35kΩ
bleed resistors on each switch terminal to discharge
capacitive loads. The MAX14802/MAX14803/
MAX14803A provide integrated clamping diodes for
overvoltage protection against positive overshoot.
The MAX14802 is available in a 48-pin TQFP package
and is specified for commercial 0°C to +70°C and
extended -40°C to +85°C temperature ranges.
The MAX14803 is available in a 48-pin TQFP package
and is specified for the commercial 0°C to +70°C tem-
perature range.
The MAX14803A is available in the 110-bump wafer level
package (WLP) and is specified at the -40°C to +85°C
temperature range.
Applications
Ultrasound Imaging
Printers
Features
o Integrated Overvoltage Protection
o 20MHz Serial Interface (5V)
o HVCMOS Technology for High Performance
o Individually Programmable High-Voltage Analog
Switches
o Very Low 5µA (typ) Quiescent Current
o DC-to-20MHz Low-Voltage Analog Signal
Frequency Range
o 2.7V to 5.5V Logic Supply Voltage
o Low-Charge Injection, Low-Capacitance R
L
Switches
o -77dB (typ) Off-Isolation at 5MHz (R
L
= 50Ω)
o Daisy-Chainable Serial Interface
o Flexible High-Voltage Supplies (V
PP
- V
NN
= 250V)
Ordering Information/Selector Guide
PART
SWITCH
CHANNELS
BLEED RESISTOR OVP PIN-PACKAGE TEMP RANGE
MAX14802CCM+ 16 No Yes 48 TQFP 0°C to +70°C
MAX14802ECM+ 16 No Yes 48 TQFP -40°C to +85°C
MAX14803CCM+ 16 Yes Yes 48 TQFP 0°C to +70°C
MAX14803AEWZ+ 16 Yes Yes 110 WLP -40°C to +85°C
Pin Configurations appear at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
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