ETC GUIDES

Data Cable/Serial Interface selection guide 2002
display driver power management interface
◆
◆
analog excellence
DATA CABLE INTERFACE PRODUCTS
3.3V, HIGH ESD, FULL FEATURED SERIAL INTERFACE PRODUCTS
VCC
NEW
SP3238E, 39E, 49E
C5
■ Ideal for wireless modems
C1
+
+
26
VCC
0.1µF
28 C1+
0.1µF
■ 5 driver, 3 receiver
V+
C3
24 C1-
SP3243E
1 C2+
■ VIN = 2.7V to 5.5V
C2
+
27
C4
2 C2-
■ 250 kbps data rate
0.1µF
V- 3
0.1µF
■ Adheres to EIA/TIA-562 down to 2.7V
+
14 T1IN
T1OUT
+
0.1µF
9
13 T2IN
T2OUT 10
■ 15kV HBM, IEC-1000-4-2 air gap discharge, 8kV IEC-1000-4-2 contact discharge
12 T3IN
T3OUT 11
■ AUTO ON-LINE™ (SP3238E)
20 R2OUT
■ Active receiver in shutdown (SP3239E)
19 R1OUT
■ Smallest package (SP3249E)
18 R2OUT
R1IN 4
5kΩ
R2IN 5
5kΩ
R3IN
17 R3OUT
SP3243E
R4IN 7
16 R4OUT
5kΩ
■ Ideal for high multifunction function data cables
15 R5OUT
■ 3 driver, 5 receiver
VCC
22
23
■ VIN = 2.7V to 5.5V
R5IN
DB-9
Connector
8
5kΩ
SHUTDOWN
ONLINE
21 STATUS
To µP Supervisor
Circuit
■ Adheres to EIA/TIA-562 down to 2.7V
6
7
8
9
GND
25
■ 235 kbps data rate
■ 15kV HBM, IEC-1000-4-2 air gap discharge, 8kV IEC-1000-4-2 contact discharge
■ AUTO
6
5kΩ
DB-9 Connector Pins:
1. Received Line Signal Detector
2. Received Data
3. Transmitted Data
4. Data Terminal Ready
5. Signal Ground (Common)
ON-LINE™
■ Active receiver in shutdown
6.
7.
8.
9.
DCE Ready
Request to Send
Clear to Send
Ring Indicator
TYPICAL DATA CABLE APPLICATION
1
D3
ZENER
D2 ISS369
1
VIN
3
ENABLE
2
GND
RSN
4
VOUT
GOOD
LOGIC 3.3V
VOUT
SP6200EM5-3.3
5
C11
10uF
(16V)
28
VC
EXT PWR1
2
EXT PWR2
3
BATT FDBK
4
PWR GND
5
PWR GND
D1 ISS369
CONNECTOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
DCD
RI
DTR
RXD
CTS
RFR
TXD
NC
EXT PWR1
EXT PWR2
BATT PWR
PWR GND
PWR GND
NC
NC
NC
NC
SYS GND
CONNECTOR
8 R1IN
9 R2IN
11 R3IN
R1OUT 21
R2OUT 20
R3OUT 18
24
23
22
19
17
T1OUT
T2OUT
T3OUT
T4OUT
T5OUT
T1IN
T2IN
T3IN
T4IN
T5IN
C1
0.1uF
28 C1+
25 C1-
C2
0.1uF
1
3
DCDrs232
RXrs232
TXrs232
DTRrs232
LOGIC GND
1
2
3
4
5
6
7
8
9
DRSrs232
RTSrs232
CTSrs232
RIrs232
PC RS-232 PORT
DB9 CONNECTOR
C2+
C2-
13 ONLINE
14 SHUTDOWN
27 V+
4 VGND
C4
0.1uF
5
6
7
10
12
R1OUTB 16
15 STATUS
C3
0.1uF
C5
0.1uF
2
SP3238ECA
1
2
3
4
5
ECONOMICAL AND MID RANGE, HIGH ESD, SERIAL INTERFACE PRODUCTS
10µF 6.3V
+
■ Ideal choice when transitioning
■ 2 drivers, 2 receivers
0.1µF +
16V
5
C +
discharge, 8kV IEC-1000-4-2
contact discharge
1
C 12
C 2-
■ Uses 3.3V supply voltage
0.1µF 6.3V
CC
+5V to +10V
Voltage Doubler
V+
+10V to -10V
Voltage Inverter
V-
2 +
6
*
■ 2 drivers, 2 receivers
+ 0.1µF
■ 235 kbps data rate
16V
400kΩ
T1 IN
11
T1
14
T2
7
RS-232 OUTPUTS
■ 15kV HBM, IEC-1000-4-2 air gap
V
T 1OUT
400kΩ
T2 IN
R 1 OUT
10
12
13
R1
T 2OUT
R 1 IN
5kΩ
R 2 OUT
9
8
R2
SP202E
SP232E
R 2 IN
5kΩ
RS-232 INPUTS
■ <1µA shutdown current
TTL/CMOS OUTPUTS
TTL/CMOS INPUTS
0.1µF +
6.3V
3
4
C +
■ Uses 5V supply voltage
■ 120 kbps data rate
■ Midrange data cable serial transceiver choice
SP202E/SP232E
16
1
from 5V discrete solutions
■ No extra, unused features
SP3222E, SP3232E
+5V INPUT
SP202E, SP232A, SP232E
■ <1µA shutdown current
■ 15kV HBM, IEC-1000-4-2 air gap discharge, 8kV
IEC-1000-4-2 contact discharge
■ Receiver tristate (SP3222E)
■ Smallest package (SP3232E)
GND 15
SP385E-1
* The negative terminal of the V+ storage capacitor can be tied to either
VCC or GND. Connecting the capacitor to VCC (+5V) is recommended.
SP3203E
■ Ideal choice when transitioning from 3V discrete solutions
■ Designed for mixed logic systems
■ Uses 3.3V supply voltage
■ Uses 3.3V supply voltage
■ 2 Drivers, 2 receivers
■ 3 drivers, 2 receivers
■ 120 kbps data rate
■ 250 kbps data rate
■ <1µA shutdown current
■ VIN = 2.7V to 5.5V
■ 15kV HBM, IEC-1000-4-2 air gap discharge, 8kV IEC-1000-4-2 contact discharge
■ Adheres to EIA/TIA-562 down to 2.7V
■ 15kV HBM, IEC-1000-4-2 air gap discharge, 8kV
IEC-1000-4-2 contact discharge
PIN 14
PIN 1
end view of a mobile phone connector with pin assignment
Pin
Number
Signal
Name
Signal
Type
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
PC_DCD
PC_RI
PC_DTR
PC_RXD
PC_CTS
PC_RFR
PC_TXD
(RESERVED)
EXT_PWR1
EXT_PWR2
BATT_PWR
PWR_GND
PWR_GND
(RESERVED)
(RESERVED)
(RESERVED)
(RESERVED)
SYS_GND
OUT
OUT
IN
OUT
OUT
IN
IN
TBD
OUT
OUT
OUT
TBD
TBD
TBD
TBD
Signal Description
RS232 Carrier-Detect from Mobile (DCD) to PC(DCD)
RS232 Ring-Indicator from Mobile (RI) to PC(RI)
RS232 Data-Terminal-Ready from PC (DTR) to Mobile (DTR)
RS232 Receive Data from Mobile (TXD) to PC (RXD)
RS232 Clear-To-Send from Mobile (RFR) to PC (CTS)
RS232 Ready-For-Receive from PC (RFR) to Mobile (CTS)
RS232 Transmit Data from PC (TXD) to Mobile (RXD)
Reserved For Future Use
External Power Supply 1
External Power Supply 2
Switched Battery Power Output
Mobile Power Ground
Mobile Power Ground
Reserved For Future Use
Reserved For Future Use
Reserved For Future Use
Reserved For Future Use
Mobile System Ground
8
1
9
15
X.21 Connector (ISO 4903)
DTE Connector – DB-15 Pin male
DCE Connector – DB-15 Pin Female
RS-232 port pin configuration
Pin
Number
DB9 F Serial
Connector Definitions
1
2
3
4
5
6
7
8
9
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
RS-232 Interface
Data Cable Applications for Cell Phones
1D / 1R
COMMENTS
External LDO/Regulator
16L nSOIC
16L wSOIC
16L PDIP
16L SSOP
16L wSSOP
16L TSSOP
18L SOIC
20L PDIP
20L SSOP
20L TSSOP
24L SSOP
24L TSSOP
28L SSOP
28L TSSOP
32L MLPQ
1Mbps Data Rate Option
Standard Data Rate (bps)
PACKAGE TYPES
✔
5.0V
3.0
120k
✔ ✔ ✔ ✔
Low cost solution to replace
5.0V
10.0
120k
✔ ✔ ✔ ✔
discrete components
5.0V
SP232A
AUTO ON-LINE™
Shutdown
SP202E
Quiescent Current (mA)
< 2D / 2R
PERFORMANCE
VCC Range
PART N0.
I/O pins at ±15kV ESD
CABLE
SPECS
SP232E
✔
3.0
120k
✔ ✔ ✔ ✔
SP3220E
✔ 3.0V~5.5V 0.3
235k
✔
✔ ✔ ✔
Medium cost solution for
applications requiring
< 2D / 2R
2D / 2R
3D / 2R
SP3232E
✔ 3.0V~5.5V 0.3
235k ✔
✔ ✔
SP385E-1
✔ 3.0V~5.5V 0.5
120k
✔
✔
SP3222E
✔ 3.0V~5.5V 0.3
✔ 235k ✔
✔
✔
SP3223E
✔ 3.0V~5.5V 0.3 ✔ ✔ 235k ✔
✔
SP3232E
✔ 3.0V~5.5V 0.3
✔ ✔
SP3203E
✔ 3.0V~5.5V 0.3
235k ✔
✔ ✔ ✔ ✔
3 drivers/3 receivers or less.
✔
✔ ✔
✔ ✔ ✔
✔ ✔ ✔ ✔
✔ 250k
✔
VL pin for selectable mixedlogic TTL interface
SP3232E x 2
✔ 3.0V~5.5V 0.3
SP3243E
✔ 3.0V~5.5V 0.3 ✔ ✔ 235k ✔
✔
3D / 4R
SP3223E x 2
✔ 3.0V~5.5V 0.3 ✔ ✔ 235k ✔
✔
3D / 5R
SP3243E
✔ 3.0V~5.5V 0.3 ✔ ✔ 235k ✔
✔
4D / 1R
SP3232E x 2
✔ 3.0V~5.5V 0.3
235k ✔
✔ ✔
✔ ✔ ✔ ✔
4D / 3R
SP3232E x 2
✔ 3.0V~5.5V 0.3
235k ✔
✔ ✔
✔ ✔ ✔ ✔
120k
✔
SP3238E
✔ 3.0V~5.5V 0.3 ✔ ✔ 250k
✔
SP3239E
✔ 3.0V~5.5V 0.3
✔ 250k
✔
SP3249E
✔ 3.0V~5.5V 0.3
250k
✔
SP3218E*
✔ 1.8V~5.5V 0.3 ✔ ✔ 250k ✔
3D / 3R
SP385E-1 x 2 ✔ 3.0V~5.5V 0.3
5D / 3R
5D / 3R
235k ✔
✔ ✔
✔ ✔ ✔ ✔
For High-End cables requiring
✔ ✔ ✔
more than 3 drivers
✔ ✔ ✔
✔ ✔ ✔
✔
✔
✔ ✔
Full specs ideal for a
✔ ✔
wireless modem interface
✔ ✔
For next generation cables ideal for
using from cell phone battery power
Interoperate in mixed-logic selectable
voltages, +1.8V, +2.5V, +3.3V, or +5.0V
(* Available in 3Q02)
✔ ✔
Serial Interface Product Identification Code
SP XXXXX X X
Manufacturer ID
SP = CMOS
SPX = Bipolar
Temperature Range
Part Number
C = 0°C to 70°C
E = -40°C to 85°C
Package Code
A = SSOP
B = BGA
F = QFP
N = NSOIC
P = PDIP
S = PDIP
T = SOIC
X = DIE
Y = TSSOP
www.sipex.com
Sipex Corporation • 22 Linnell Circle • Billerica, MA 01821 • Tel: 978-667-8700 • Fax: 978-667-5935
rev. 4/02