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ADM209ARS Datasheet(PDF) 8 Page - Analog Devices |
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ADM209ARS Datasheet(HTML) 8 Page - Analog Devices |
8 / 16 page ADM206–ADM211/ADM213 Rev. C | Page 8 of 16 Table 4. Pin Function Descriptions Mnemonic Function VCC Power Supply Input. 5 V ± 10%. V+ Internally Generated Positive Supply (10 V nominal) on all parts, except ADM209 . The ADM209 requires an external 9 V to 13.2 V supply. V– Internally Generated Negative Supply (–10 V Nominal). GND Ground Pin. Must be connected to 0 V. C+ (ADM209 only) External capacitor (+ terminal) is connected to this pin. C– (ADM209 only) External capacitor (– terminal) is connected to this pin. C1+ (ADM206, ADM207, ADM208, ADM211, and ADM213) External Capacitor (+ terminal) is connected to this pin. C1– (ADM206, ADM207, ADM208, ADM211, and ADM213) External Capacitor (– terminal) is connected to this pin. C2+ (ADM206, ADM207, ADM208, ADM211, and ADM213) External Capacitor (+ terminal) is connected to this pin. C2– (ADM206, ADM207, ADM208, ADM211, and ADM213) External Capacitor (– terminal) is connected to this pin. TIN Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels. An internal 400 kΩ pull-up resistor to VCC is connected to each input. TOUT Transmitter (Driver) Outputs. These are RS-232 levels (typically ± 10 V). RIN Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kΩ pull-down resistor to GND is connected to each input. ROUT Receiver Outputs. These are TTL/CMOS levels. EN/EN Enable Input. Active low on ADM206, ADM209, and ADM211. Active high on ADM213. This input is used to enable/disable the receiver outputs. With EN = low (EN = high ADM213), the receiver outputs are enabled. With EN = high (EN = low ADM213), the outputs are placed in a high impedance state. This is useful for connecting to microprocessor systems. SD/SD Shutdown Input. Active high on ADM206 and ADM211. Active low on ADM213. With SD = high on the ADM206 and ADM211, the charge pump is disabled, the receiver outputs are placed in a high impedance state, and the driver outputs are turned off. With SD = low on the ADM213, the charge pump is disabled, the driver outputs are turned off, and all receivers, except R4 and R5, are placed in a high impedance state. In shutdown, the power consumption reduces to 5 µW. NC No Connect. No connections are required to this pin. Table 5. ADM206 and ADM211 Truth Table SD EN Status Transmitters T1–T5 Receivers R1–R5 0 0 Normal Operation Enabled Enabled 0 1 Normal Operation Enabled Disabled 1 0 Shutdown Disabled Disabled Table 6. ADM213 Truth Table SD EN Status Transmitters T1–T4 Receivers R1–R3 Receivers R4, R5 0 0 Shutdown Disabled Disabled Disabled 0 1 Shutdown Disabled Disabled Enabled 1 0 Normal Operation Enabled Disabled Disabled 1 1 Normal Operation Enabled Enabled Enabled |
Similar Part No. - ADM209ARS |
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Similar Description - ADM209ARS |
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