LTC1391 Linear Technology, LTC1391 Datasheet
LTC1391
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LTC1391 Summary of contents
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... TTL and CMOS compatible when oper- ated from single or dual supplies. The inputs can with- stand 100mA fault current. The LTC1391 is available in 16-pin PDIP, SSOP and narrow SO packages. For applications requiring 2-way serial data transmission, see the LTC1390 data sheet. ...
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... Input Voltage – Analog Inputs ................... (V – 0.3V Digital Inputs ......................................... – 0.3V to 15V Digital Outputs ..........................– 0. Power Dissipation.............................................. 500mW Operating Temperature Range LTC1391C ............................................... LTC1391I........................................... – Storage Temperature Range ................. – 150 C Lead Temperature (Soldering, 10 sec).................. 300 C ELECTRICAL CHARACTERISTICS + – 5V – ...
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... 2.7V IN Note 2: Guaranteed by Design. Note 3: Leakage current with a single 2.7V supply is guaranteed by correlation with the 5V leakage current specifications. Note 4: Timing specifications with a single 2.7V supply are guaranteed by correlation with the 5V timing specifications. LTC1391 MIN TYP MAX UNITS ...
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... OUT CS (Pin 11): Channel Select Input (TTL/CMOS Compat- ible). A logic high on this input enables the LTC1391 to read in the channel selection bits and allows digital data transfer from logic low on this input puts IN ...
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... LTC1391 The block diagram of Figure 3 shows the components OFF within the LTC1391 required for serial data transfer. When CS is held high, data is fed into the 4-bit shift register and then shifted to D rising edge of the clock as shown in Figure 4. The last four ...
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... MUX B are switched off. If bit “ENA” is low and bit “ENB” is high, all channels at MUX A are switched off and one channel of MUX B is switched on. Care should be taken to ensure that only one LTC1391 is enabled at any one time to prevent two channels from being enabled D3 ...
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... U TYPICAL APPLICATIONS 0.1 F BYPASS CAPACITORS FROM + V TO GND FOR EACH LTC1391 LTC1391 4 S3 ANALOG 5 INPUTS LTC1391 4 S3 ANALOG 5 INPUTS LTC1391 4 S3 ANALOG 5 INPUTS ...
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... LTC1391 PACKAGE DESCRIPTION 0.007 – 0.0098 (0.178 – 0.249) 0.016 – 0.050 (0.406 – 1.270) * DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE 0.300 – ...
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... U TYPICAL APPLICATION Interfacing LTC1391 with LTC1257 for Demultiplex Operation ANALOG 5 LTC1391 OUTPUTS TTL COMPATIBLE + RELATED PARTS PART NUMBER DESCRIPTION LTC1285 3V 12-Bit ADC LTC1286 5V 12-Bit ADC LTC1390 Serial-Controlled 8-to-1 Analog Multiplexer LTC1451 5V 12-Bit DAC LTC1452 ...