MAX333A

Features:

Upgraded Replacement for a DG211/DG212 Pair or Two DG403s
Low On Resistance < 17½ Typical (35½ Max)
Guaranteed Matched On Resistance Between Channels < 2½
Guaranteed Flat On Resistance over Analog Signal Range Æ3½ Max
Guaranteed Charge Injection < 10pC
Guaranteed Off-Channel Leakage < 6nA at +85°C
ESD Guaranteed > 2000V per Method 3015.7
Single-Supply Operation (+10V to +30V) Bipolar-Supply Operation (±4.5V to ±20V)
TTL-/CMOS-Logic Compatibility
Rail-to-Rail Analog Signal Handling Capability

Application

Test Equipment Communications Systems
PBX, PABX Heads-Up Displays
Portable  Instruments

Pinout




Specifications

V+ to V- ......................................................................44V
VIN, VCOM, VNO, VNC ...........................................V- to V+
(VNO - VNC) ................................................................32V
V+ to Ground...............................................................30V
V- to Ground...............................................................-30V
Current, Any Terminal Except VCOM, VNO, or VNC.....30mA
Continuous Current, VCOM, VNO, or VNC...................20mA
Peak Current, VCOM, VNO, or VNC
(Pulsed at 1ms, 10% duty cycle max) ........................70mA
ESD ...........................................................................2000V
Continuous Power Dissipation (TA = +70°C) (Note 1)
Plastic DIP (derate above +70°C by 11.11mW/°C) ..889mW
SO (derate above +70°C by 10.00mW/°C)..............800mW
CERDIP (derate above +70°C by 11.11mW/°C).......889mW
TSSOP (derate above +70°C by 7mW/°C) ...............559mW
Operating Temperature Ranges:
MAX333AC_ _ ..................................................0°C to +70°C
MAX333AE_ _ ...............................................-40°C to +85°C
MAX333AMJP...............................................-55°C to +125°C
Storage Temperature Range ......................-65°C to +150°C
Lead Temperature (soldering, 10sec) .........................+300°C

Description

The MAX333A is a precision, quad, single-pole doublethrow (SPDT) analog switch. The four independent switches operate with bipolar supplies ranging from ±4.5V to ±20V, or with a single-ended supply between +10V and +30V. The MAX333A offers low on resistance (less than 35½), guaranteed to match within 2½ between channels and to remain flat over the analog signal range (Æ3½ max). It also offers break-before-make switching (10ns typical), with turn-off times less than 145ns and turn-on times less than 175ns. The MAX333A is ideal for portable operation since quiescent current runs less than  50A with all inputs high or low. This monolithic, quad switch is fabricated with Maxim's new improved silicon-gate process.

Design improvements guarantee extremely low charge injection (10pC), low power consumption (3.75mW), and electrostatic discharge (ESD) greater than 2000V. Logic inputs are TTL and CMOS compatible and guaranteed over a +0.8V to +2.4V range-regardless of supply voltage.

Logic inputs and switched analog signals can range anywhere between the supply voltages without damage.