ADM3307E_15 datasheet(9/24 Pages) AD

No. de pieza	ADM3307E

Descripción Electrónicos	15 kV ESD Protected, 2.7 V to 3.6 V Serial

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Fabricante Electrónico	AD [Analog Devices]

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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

Normal Operation

Enabled

0

1

Normal Operation

Enabled

Disabled

1

0

Shutdown

Disabled

Enabled

1

Shutdown

Disabled

Table 6. ADM3310E Truth Table

SD

EN

Status

TOUT1–3

ROUT1–3

ROUT4–5

0

Normal Operation

Enabled

0

1

Receivers

Disabled

Enabled

Disabled

1

0

Shutdown

Disabled

Enabled

1

Shutdown

Disabled

Table 7. ADM3311 Truth Table

SD

EN

Status

TOUT1–3

ROUT1–4

ROUT5

0

Normal Operation

Enabled

0

1

Receivers

Disabled

Enabled

Disabled

1

0

Shutdown

Disabled

Enabled

1

Shutdown

Disabled

Table 8. ADM3312E/ADM3315E Truth Table

SD

EN

Status

TOUT1–3

ROUT1–2

ROUT3

0

Normal Operation

Enabled

0

1

Normal Operation

Enabled

Disabled

1

0

Shutdown

Disabled

Enabled

1

Shutdown

Disabled

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