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DS4404 Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS4404 Datasheet(HTML) 1 Page - Dallas Semiconductor |
1 / 8 page ______________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. General Description The DS4402 and DS4404 contain two and four I2C* adjustable current DACs, respectively, that are each capable of sinking or sourcing current. Each output has 31 sink and 31 source settings that are programmed by the I2C interface. External resistors set the full-scale range and step size of each output. Applications Power-Supply Adjustment Power-Supply Margining Adjustable Current Sink or Source Features o Two (DS4402) or Four (DS4404) Current DACs o Full-Scale Range for Each DAC Determined by External Resistors o 31 Settings Each for Sink and Source Modes o I2C-Compatible Serial Interface o Two Three-Level Address Pins Allow Nine Devices on Same I2C Bus o Low Cost o Small Package (14-Pin TDFN) o -40°C to +85°C Temperature Range o 1.7V to 5.5V Operation Two/Four-Channel, I2C Adjustable Current DAC DC/DC CONVERTER FB OUT SDA SCL A0 A1 OUT0 OUT1 GND RFS0 RFS1 4.7k Ω 4.7k Ω VCC VCC VOUT0 FS0 FS1 R0B R0A DS4402 DC/DC CONVERTER FB OUT VOUT1 R1B R1A Typical Operating Circuit Ordering Information Rev 0; 4/06 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. +Denotes lead-free package. T&R denotes tape-and-reel package. PART TEMP RANGE PIN-PACKAGE DS4402N+ -40°C to +85°C 14 TDFN (3mm x 3mm) DS4402N+T&R -40°C to +85°C 14 TDFN (3mm x 3mm) DS4404N+ -40°C to +85°C 14 TDFN (3mm x 3mm) DS4404N+T&R -40°C to +85°C 14 TDFN (3mm x 3mm) *Purchase of I2C components from Maxim Integrated Products, Inc., or one of its sublicensed Associated Companies, conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. TDFN (3mm x 3mm x 0.8mm) TOP VIEW 2 4 5 13 11 10 VCC A1 OUT1 SCL FS3 (N.C.) FS2 (N.C.) ( ) INDICATES FOR DS4402 ONLY. 1 14 OUT3 (N.C.) OUT2 (N.C.) SDA 3 12 GND 6 9 A0 FS1 7 8 OUT0 FS0 DS4404/ DS4402 Pin Configuration |
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