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ADM101EARMZ Datasheet(PDF) 3 Page - Analog Devices

Part No. ADM101EARMZ
Description  Craft PortTM Tiny RS-232 Transceiver for Portable Applications
Download  6 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM101EARMZ Datasheet(HTML) 3 Page - Analog Devices

   
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REV. A
ADM101E
–3–
PIN FUNCTION DESCRIPTIONS
Pin
No.
Mnemonic
Function
1
GND
Ground Pin. Must be connected to 0 V.
2
C1–
Negative Terminal of C1 (if C1 is Polarized
Capacitor).
3
V–
Internally Generated Negative Supply Voltage.
4TIN
Driver Input (3 V to 5 V TTL/CMOS
Logic Levels).
5ROUT
Receiver Output (3 V to 5 V TTL/CMOS
Logic Levels).
6RIN
Receiver Input (EIA-232 Signal Levels).
7TOUT
Driver Output (EIA-232 Signal Levels).
8
SD
Shutdown Input. Logic 1 on this input puts
the ADM101E into low power shutdown mode.
9
C1+
Positive Terminal of Charge Pump Capacitor
(if C1 is Polarized Capacitor).
10
VCC
Positive Power Supply, Nominally 5 V.
PIN CONFIGURATION
GND
V–
SD
TIN
1
2
3
4
10
9
8
7
ADM101E
TOP VIEW
(Not to Scale)
C1–
C1+
TOUT
5
6
ROUT
RIN
VCC
Typical Performance Characteristics
CURRENT – mA
0
–1
–6
0
25
5
10
15
20
–2
–3
–4
–5
TPC 1. Charge Pump Voltage vs. Current
LOAD CAPACITANCE – pF
14
12
0
0
3500
500
1000
1500
2000
10
8
6
4
2500
3000
2
TPC 2. IDD vs. Load Capacitance @ 460 kbps


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