DG408D Datasheet

Improved, 8-Channel/Dual 4-Channel, CMOS Analog Multiplexers


Features, Applications

Maxim's redesigned DG408 and DG409 CMOS analog multiplexers now feature guaranteed matching between channels (8 max) and flatness over the specified signal range (9 max). These low on-resistance muxes (100 max) conduct equally well in either direction and feature guaranteed low charge injection (15pC max). In addition, these new muxes offer low input off-leakage current over temperature--less than at +85�C. The a 1-of-8 multiplexer/demultiplexer and the is a dual 4-channel multiplexer/demultiplexer. Both muxes operate with to +30V single supply and with to �20V dual supplies. ESD protection is guaranteed to be greater than 2000V per Method of MIL-STD-883. These improved muxes are pin-compatible plug-in upgrades for the industry standard DG408 and DG409.

o Pin-Compatible Plug-In Upgrades for Industry Standard DG408/DG409 o Guaranteed Matching Between Channels, 8 Max o Guaranteed On-Resistance Flatness, 9 Max o Guaranteed Low Charge Injection, 15pC Max o Low On-Resistance, 100 Max o Input Leakage, 5nA Max +85�C o Low Power Consumption, 1.25mW Max o Rail-to-Rail Signal Handling o Digital Input Controls TTL/CMOS Compatible o ESD Protection >2000V per Method 3015.7


Sample-and-Hold Circuits Test Equipment Guidance and Control Systems Communications Systems Data-Acquisition Systems Audio Signal Routing

+70�C 16 Narrow to +70�C Dice* +85�C 16 TSSOP +85�C 16 Plastic DIP +85�C 16 TSSOP +85�C 16 Narrow +85�C 16 CERDIP +125�C 16 CERDIP** Ordering Information continued at end of data sheet. * Contact factory for dice specifications. **Contact factory for availability.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.

Voltage Referenced GND.........................................................................-0.3V, 25V Digital Inputs, S, D (Note 2V) to (V+ or 30mA, (whichever occurs first) Continuous Current (any terminal)......................................30mA Peak Current, S, D (pulsed 1ms, 10% duty cycle max)..........................100mA Continuous Power Dissipation (TA = +70�C) TSSOP (derate 9.4mW/�C above +70�C)....................755mW Plastic DIP (derate 10.53mW/�C above +70�C)..........842mW TSSOP (derate 9.4mW/�C above +70�C)....................755mW Narrow SO (derate 8.70mW/�C above +70�C)............696mW CERDIP (derate 10.00mW/�C above +70�C)...............800mW Operating Temperature Ranges to +125�C Storage Temperature to +150�C Lead Temperature (soldering, 10s).................................+300�C

Note 1: Signals on S_, D_, EN, or A2 exceeding or V- are clamped by internal diodes. Limit forward current to maximum current ratings.

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

(V+ = -15V, GND = 0V, VAH = +2.4V, VAL TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SWITCH Analog Signal Range Drain-Source On-Resistance Matching Between Channels On-Resistance Flatness Source-Off Leakage Current (Note 5) VANALOG rDS(ON) rFLAT (Note = �10V (Note = �10V, VEN = +10V, VEN = 0V ID(OFF) = �10V, VEN TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX = +25�C Drain-On Leakage Current (Note = �10V, sequence each switch TA = TMIN to TMAX TA = TMIN to TMAX nA V SYMBOL CONDITIONS MIN TYP MAX (Note 2) UNITS

(V+ = -15V, GND = 0V, VAH = +2.4V, VAL TA = TMIN to TMAX, unless otherwise noted.) PARAMETER INPUT Input Current with Input Voltage High Input Current with Input Voltage Low SUPPLY Power-Supply Range VEN or 4.5V Positive Supply Current I+ VEN = 2.4V, VA(ALL) or 2.4V VEN = 2.4V, VA(ALL) TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX TA = TMIN to TMAX = +25�C IAH IAL or 15V VEN 0V �A SYMBOL CONDITIONS MIN TYP MAX (Note 2) UNITS

Negative Supply Current DYNAMIC Transition Time Break-Before-Make Interval Enable Turn-On Time Enable Turn-Off Time Charge Injection (Note 3) Off Isolation (Note 6)

Figure 2 Figure 4 Figure 3 Figure = 0, Figure 5 VEN = 100kHz, Figure 6 VEN = 100kHz, VGEN = 1k, Figure = 1MHz, VEN = 0V, Figure = 1MHz, VEN = 0V, Figure = 1MHz, VEN = 0V, Figure 8 DG408

Crosstalk Between Input Channels Logic Input Capacitance Source-Off Capacitance



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