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ADM3315EACPZ Datasheet(PDF) 9 Page - Analog Devices |
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ADM3315EACPZ Datasheet(HTML) 9 Page - Analog Devices |
9 / 24 page Data Sheet ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E Rev. I | Page 9 of 24 Table 4. Pin Function Descriptions Mnemonic Function VCC Power Supply Input 2.7 V to 3.6 V. V+ Internally Generated Positive Supply, 7.25 V (6.5 V Nominal for ADM3310E, ADM3315E). Capacitor C4 is connected between VCC and V+. V− Internally Generated Positive Supply, −7.25 V (−6.5 V Nominal for ADM3310E, ADM3315E). Capacitor C5 is connected between GND and V−. GND Ground Pin. Must be connected to 0 V. C1+, C1− External Capacitor 1 is connected between these pins. A 0.1 µF capacitor is recommended, but larger capacitors up to 1 µF can be used. C2+, C2− External Capacitor 2 is connected between these pins. A 0.1 µF capacitor is recommended, but larger capacitors up to 1 µF can be used. C3+, C3− External Capacitor 3 is connected between these pins. A 0.1 µF capacitor is recommended, but larger capacitors up to 1 µF can be used. TIN Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels. An internal 400 kΩ pull-up resistor to VCC is connected on each input. TOUT Transmitter (Driver) Outputs. Typically ±5.5 V (±6.4 V for ADM3311E and ADM3312E). RIN Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kΩ pull-down resistor (22 kΩ for ADM3315E) to GND is connected on each of these inputs. ROUT Receiver Outputs. These are TTL/CMOS levels. EN Receiver Enable. A high level three-states all the receiver outputs. SD Shutdown Control. A high level disables the charge pump and reduces the quiescent current to less than 1 µA. All transmitters and most receivers are disabled. One receiver remains active in shutdown (two receivers are active in shutdown for the ADM3310E). For ADM3307E, ROUT3 is active in shutdown. For ADM3310E, ROUT4 and ROUT5 are active in shutdown. For ADM3311E, ROUT5 is active in shutdown. For ADM3312E, ROUT3 is active in shutdown. For ADM3315E, ROUT3 is active in shutdown. NC No Connect. Table 5. ADM3307E Truth Table SD EN Status TOUT1–5 ROUT1–2 ROUT3 0 0 Normal Operation Enabled Enabled Enabled 0 1 Normal Operation Enabled Disabled Disabled 1 0 Shutdown Disabled Disabled Enabled 1 1 Shutdown Disabled Disabled Disabled Table 6. ADM3310E Truth Table SD EN Status TOUT1–3 ROUT1–3 ROUT4–5 0 0 Normal Operation Enabled Enabled Enabled 0 1 Receivers Disabled Enabled Disabled Disabled 1 0 Shutdown Disabled Disabled Enabled 1 1 Shutdown Disabled Disabled Disabled Table 7. ADM3311 Truth Table SD EN Status TOUT1–3 ROUT1–4 ROUT5 0 0 Normal Operation Enabled Enabled Enabled 0 1 Receivers Disabled Enabled Disabled Disabled 1 0 Shutdown Disabled Disabled Enabled 1 1 Shutdown Disabled Disabled Disabled Table 8. ADM3312E/ADM3315E Truth Table SD EN Status TOUT1–3 ROUT1–2 ROUT3 0 0 Normal Operation Enabled Enabled Enabled 0 1 Normal Operation Enabled Disabled Disabled 1 0 Shutdown Disabled Disabled Enabled 1 1 Shutdown Disabled Disabled Disabled |
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