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MAX117MJI Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX117MJI Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 12 page +3V, 400ksps, 4/8-Channel, 8-Bit ADCs with 1µA Power-Down 6 _______________________________________________________________________________________ ______________________________________________________________Pin Description Mode Selection Input. Internally pulled low with a 15µA current source. MODE = 0 activates read mode; MODE = 1 activates write-read mode (see Digital Interface section). MODE 5 Analog Input Channel 6 IN6 — FUNCTION Three-State Data Outputs D1, D2, D3 7, 8, 9 Three-State Data Output (LSB) D0 6 Lower limit of reference span. REF- sets the zero-code voltage. Range is GND ≤ VREF- < VREF+. REF- 13 Ground GND 12 Interrupt Output. INT goes low to indicate end of conversion (see Digital Interface section). INT 11 Read Input. RD must be low to access data (see Digital Interface section). RD 10 Write-Control Input/Ready-Status Output (see Digital Interface section) WR/RDY 15 Upper limit of reference span. REF+ sets the full-scale input voltage. Range is VREF- < VREF+ ≤ VDD. Internally hardwired to IN8 (Table 1). REF+ 14 Multiplexer Channel Address Input (MSB) A2 — Three-State Data Output (MSB) D7 20 Positive Supply, +3.0V to +3.6V VDD 24 Power-Down Input. PWRDN reduces supply current when low. PWRDN 23 Multiplexer Channel Address Input (LSB) A0 22 Multiplexer Channel Address Input A1 21 Analog Input Channel 7 IN7 — Three-State Data Outputs D4, D5, D6 17, 18, 19 Chip-Select Input. CS must be low for the device to recognize WR or RD inputs. CS 16 9, 10, 11 8 15 14 13 12 17 16 23 22 27 PIN 7 1 26 25 24 28 19, 20, 21 18 MAX113 NAME MAX117 Analog Input Channel 5 IN5 — 2 Analog Input Channel 1 Analog Input Channel 2 IN2 3 IN1 5 4 6 Analog Input Channel 3 Analog Input Channel 4 IN4 1 IN3 3 2 4 |
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