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AD7306JR Datasheet(PDF) 4 Page - Analog Devices |
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AD7306JR Datasheet(HTML) 4 Page - Analog Devices |
4 / 8 page AD7306 –4– REV. B PIN FUNCTION DESCRIPTION SOIC DIP Pin Pin Mnemonic Function 1 19 V+ Internally Generated Positive Supply (+9 V nominal). A 0.1 µF capacitor must be connected between this pin and GND. 2, 3 20, 22 C1+, C1– External Capacitor 1 Terminals. A 0.1 µF capacitor must be connected between these pins. 423 R2IN RS-232 Receiver R2 Input. This input accepts RS-232 input voltages. 524 T1OUT RS-232 Transmitter (Driver) T1 Output (Typically ±7.5 V). 61 T2OUT RS-232 Transmitter (Driver) T2 Output (Typically ±7.5 V). 72 VCC Power Supply Input (5 V ± 5%). 83 R1IN (B) RS-422 Receiver R1, Differential Input B. 94 R1IN/R1IN (A) Receiver R1 Input. May be configured to accept either single ended RS-232 levels or differential RS-422 levels. It is configured using the 232/422 SEL pin. 10 5 T3OUT (B) RS-422 Transmitter (Driver) T3, Differential Output B. 11 6 T3OUT (A) RS-232 Transmitter (Driver) T3, Differential Output A. 12, 13 16, 21 NC No Connect Pins. 14, 18 7, 11 GND Ground Pin. Must be connected to 0 V. 15 8 232/422 SEL Select Input. This input configures Receiver R1 to accept either RS-232 or RS-422 signal lev- els. A Logic 1 on this input selects 232 operation while a Logic 0 selects 422 operation. 16 9 T3IN TTL/CMOS Input to the RS-422 Transmitter T3. 17 10 R1OUT TTL/CMOS Output from Receiver R1. 19 12 T2IN TTL/CMOS Input to RS-232 Transmitter T2. 20 13 T1IN TTL/CMOS Input to RS-232 Transmitter T1. 21 14 R2OUT TTL/CMOS Output from Receiver R2. 22, 23 15, 17 C2+, C2– External Capacitor 2 Terminals. A 0.1 µF capacitor must be connected between these pins. 24 18 V– Internally Generated Negative Supply (–9 V nominal). A 0.1 µF capacitor must be connected between this pin and GND. PIN CONFIGURATIONS SOIC V+ C1+ C1– V– C2– C2+ GND NC NC NC = NO CONNECT 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 16 15 14 13 20 19 18 17 AD7306 SOIC TOP VIEW (Not to Scale) GND R1 IN /R1IN (A) T2 OUT T1 OUT R2 IN R1 IN (B) T3 OUT (B) R2 OUT T3 IN 232/422 SEL V CC R1 OUT T1 IN T2 IN T3 OUT (A) DIP R1 IN /R1IN (A) V+ C1+ C1– V– C2– C2+ GND NC NC T2 OUT T1 OUT R2 IN R1 IN (B) T3 OUT (B) R2 OUT T3 IN 232/422 SEL V CC NC = NO CONNECT 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 16 15 14 13 20 19 18 17 AD7306 DIP TOP VIEW (Not to Scale) GND R1 OUT T1 IN T2 IN T3 OUT (A) |
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