ADM3307E Analog Devices, ADM3307E Datasheet - Page 7
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ADM3307E
Manufacturer Part Number
ADM3307E
Description
15 kV ESD Protected/ 2.7 V to 3.6 V Serial Port Transceivers with Green Idle
Manufacturer
Analog Devices
Datasheet
1.ADM3307E.pdf
(16 pages)
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Mnemonic
V
V+
V–
GND
C1+, C1–
C2+, C2–
C3+, C3–
T
T
R
R
EN
SD
SD EN
0
0
1
1
REV. G
SD EN
0
0
1
1
CC
IN
OUT
IN
OUT
0
1
0
1
0
1
0
1
Status
Normal
Operation
Normal
Operation
Shutdown
Shutdown
Status
Normal
Operation
Receivers
Disabled
Shutdown
Shutdown
Table III. ADM3311 Truth Table
Table I. ADM3307E Truth Table
Function
Power Supply Input 2.7 V to 3.6 V.
Internally Generated Positive Supply, 7.25 V (6.5 V nominal for ADM3310E, ADM3315E). Capacitor C4 is
connected between V
Internally Generated Positive Supply, –7.25 V (–6.5 V nominal for ADM3310E, ADM3315E). Capacitor C5 is
connected between GND and V–.
Ground Pin. Must be connected to 0 V.
External Capacitor 1 is connected between these pins. A 0.1 mF capacitor is recommended, but larger capacitors
up to 1 mF may be used.
External Capacitor 2 is connected between these pins. A 0.1 mF capacitor is recommended, but larger capacitors
up to 1 mF may be used.
External Capacitor 3 is connected between these pins. A 0.1 mF capacitor is recommended, but larger capacitors
up to 1 mF may be used.
Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels. An internal 400 kW pull-up resistor to
V
Transmitter (Driver) Outputs. Typically ± 5.5 V (± 6.4 V for ADM3311E and ADM3312E)
Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 kW pull-down resistor (22 kW for ADM3315E)
to GND is connected on each of these inputs.
Receiver Outputs. These are TTL/CMOS levels.
Receiver Enable. A high level three-states all the receiver outputs.
Shutdown Control. A high level disables the charge pump and reduces the quiescent current to less than 1 mA.
All transmitters and most receivers are disabled. One receiver remains active in shutdown (two receivers active
in shutdown for the ADM3310E).
• ADM3307E R
• ADM3310E R
• ADM3311E R
• ADM3312E R
• ADM3315E R
CC
is connected on each input.
T
Enabled
Enabled
Disabled
Disabled
T
Enabled
Enabled
Disabled
Disabled
OUT
OUT
1–5
1–3
OUT
OUT
OUT
OUT
OUT
3 active in shutdown
4 and R
5 active in shutdown
3 active in shutdown
3 active in shutdown
CC
R
Enabled
Disabled
Disabled
Disabled
R
Enabled
Disabled
Disabled
Disabled
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
OUT
OUT
and V+.
1–2
1–4
OUT
5 active in shutdown
PIN FUNCTION DESCRIPTIONS
R
Enabled
Disabled
Enabled
Disabled
R
Enabled
Disabled
Enabled
Disabled
OUT
OUT
3
5
–7–
SD EN
0
0
1
1
SD EN
0
0
1
1
0
1
0
1
0
1
0
1
Table IV. ADM3312E/ADM3315E Truth Table
Status
Normal
Operation
Receivers
Disabled
Shutdown
Shutdown
Status
Normal
Operation
Normal
Operation
Shutdown
Shutdown
Table II. ADM3310E Truth Table
T
Enabled
Enabled
Disabled
Disabled
T
Enabled
Enabled
Disabled
Disabled
OUT
OUT
1–3
1–3
R
Enabled
Disabled
Disabled
Disabled
R
Enabled
Disabled
Disabled
Disabled
OUT
OUT
1–2
1–3
Enabled
Enabled
R
Enabled
Disabled
Enabled
Disabled
R
Disabled
Disabled
OUT
OUT
4–5
3