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Part: 5962-9163901Q2A
Category:
Interface and Interconnect
-> RS-422
Description: ti AM26C31, Quadruple Differential Line Driver
Company: Texas Instruments, Inc.
Datasheet: Download 5962-9163901Q2A datasheet File size : 456 kB
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Datasheet text preview:
AM26C31 QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS103I DECEMBER 1990 REVISED FEBRUARY 2002
D D D D D D D D
description
The AM26C31 is a differential line driver with complementary outputs, designed to meet the requirements of TIA/EIA -422-B and ITU (formerly CCITT). The 3-state outputs have high-current capability for driving balanced lines, such as twisted-pair or parallel-wire transmission lines, and they provide the high-impedance state in the power-off condition. The enable functions are common to all four drivers and offer the choice of an active-high (G) or active-low (G) enable input. BiCMOS circuitry reduces power consumption without sacrificing speed.
1Z G NC 2Z 2Y
4 5 6 7 8
1Y 1A NC VCC 4A
3 2 1 20 19 18 17 16 15 9 10 11 12 13 14
Meets or Exceeds the Requirements of TIA/EIA-422-B and ITU Recommendation V.11 Low Power, ICC = 100 µA Typ Operates From a Single 5-V Supply High Speed, tPLH = tPHL = 7 ns Typ Low Pulse Distortion, tsk(p) = 0.5 ns Typ High Output Impedance in Power-Off Conditions Improved Replacement for AM26LS31 Available in Q-Temp Automotive High-Reliability Automotive Applications Configuration Control/Print Support Qualification to Automotive Standards
AM26C31M . . . J OR W PACKAGE AM26C31C/I/Q . . . D, DB, N, OR NS PACKAGE (TOP VIEW)
1A 1Y 1Z G 2Z 2Y 2A GND
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
VCC 4A 4Y 4Z G 3Z 3Y 3A
AM26C31M . . . FK PACKAGE (TOP VIEW)
4Y 4Z NC G 3Z
NC No internal connection
The AM26C31C is characterized for operation from 0°C to 70°C, the AM26C31I is characterized for operation from 40°C to 85°C, the AM26C31Q is characterized for operation over the automotive temperature range of 40°C to 125°C, and the AM26C31M is characterized for operation over the full military temperature range of 55°C to 125°C.
AVAILABLE OPTIONS PACKAGED DEVICES TA PLASTIC SMALL OUTLINE (D, NS) AM26C31CD AM26C31CNS AM26C31ID AM26C31INS AM26C31QD -- PLASTIC SHRINK SMALL OUTLINE (DB) AM26C31CDB -- AM26C31IDB -- AM26C31QDB -- PLASTIC DIP (N) AM26C31CN -- AM26C31IN -- AM26C31QN -- CERAMIC CHIP CARRIER (FK) -- -- -- AM26C31MFK CERAMIC DIP (J) -- -- -- AM26C31MJ CERAMIC DUAL FLATPACK (W) -- -- -- AM26C31MW
0°C to 70°C 40°C to 85°C 40°C to 125°C 55°C to 125°C
The D package also is available taped and reeled. Add the suffix R to device type (e.g., AM26C31CDR). The DB and NS packages are only available taped and reeled. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2002, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
2A GND NC 3A 3Y
1
AM26C31 QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS103I DECEMBER 1990 REVISED FEBRUARY 2002
FUNCTION TABLE (each driver) INPUT A H L H L X ENABLES G H H X X L G X X L L H OUTPUTS Y H L H L Z Z L H L H Z
H = High level, L = Low level, X = Irrelevant, Z = High impedance (off)
logic diagram (positive logic)
G G 1A 4 12 1 2 3 1Y 1Z
2A
7
6 5
2Y 2Z
3A
9
10 11
3Y 3Z
4A
15
14 13
4Y 4Z
schematics of inputs and outputs
EQUIVALENT OF EACH INPUT VCC TYPICAL OF ALL OUTPUTS VCC
Input
Output
GND
GND
2
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
AM26C31 QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS103I DECEMBER 1990 REVISED FEBRUARY 2002
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V Input voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V Differential input voltage range, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V to 14 V Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V Input or output clamp current, IIK or IOK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±150 mA VCC current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA GND current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Package thermal impedance, JA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73°C/W DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82°C/W N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67°C/W NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64°C/W Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values, except differential output voltage (VOD), are with respect to the network ground terminal. 2. The package thermal impedance is calculated in accordance with JESD 51-7. DISSIPATION RATING TABLE PACKAGE FK J W TA 25°C POWER RATING 1375 mW 1375 mW 1000 mW DERATING FACTOR ABOVE TA = 25°C 11 mW/°C 11 mW/°C 8.0 mW/°C TA = 125°C POWER RATING 275 mW 275 mW 200 mW
recommended operating conditions
MIN VCC VID VIH VIL IOH IOL Supply voltage Differential input voltage High-level input voltage Low-level input voltage High-level output current Low-level output current AM26C31C TA Operating free-air temperature free air temperature AM26C31I AM26C31Q AM26C31M 0 40 40 55 2 0.8 20 20 70 85 125 125 °C 4.5 NOM 5 ±7 MAX 5.5 UNIT V V V V V V
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
3
AM26C31 QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS103I DECEMBER 1990 REVISED FEBRUARY 2002
electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER VOH VOL |VOD| |VOD| VOC |VOC| II IO(off) IOS IOZ High-level output voltage Low-level output voltage Differential output voltage magnitude Change in magnitude of differential output voltage Common-mode output voltage Change in magnitude of common-mode output voltage Input current Driver output current with power off output current with power off Driver output short-circuit current High-impedance off-state output current off state output current TEST CONDITIONS IO = 20 mA IO = 20 mA RL = 100 , RL = 100 , RL = 100 , RL = 100 , See Figure 1 See Figure 1 See Figure 1 See Figure 1 AM26C31C AM26C31I MIN 2.4 2 TYP 3.4 0.2 3.1 ±0.4 3 ±0.4 ±1 100 100 30 150 20 20 VI = 0 V or 5 V ICC Quiescent supply current IO = 0 VI = 2.4 V or 0 5 V 0.5 V, See Note 3 1.5 100 3 0.4 MAX V V V V V V µA µA mA µA µA mA UNIT
VI = VCC or GND VO = 6 V VCC = 0 VO = 0.25 V VO = 0 VO = 2.5 V VO = 0.5 V
Ci Input capacitance 6 pF All typical values are at VCC = 5 V and TA = 25°C. |VOD| and |VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. NOTE 3: This parameter is measured per input. All other inputs are at 0 or 5 V.
switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER tPLH tPHL tsk(p) tr(OD), tf(OD) tPZH tPZL tPHZ tPLZ Cpd Propagation delay time, low- to high-level output Propagation delay time, high- to low-level output Pulse skew time (|tPLH tPHL|) Differential output rise and fall times Output enable time to high level Output enable time to low level Output disable time from high level Output disable time from low level Power dissipation capacitance (each driver) (see Note 4) TEST CONDITIONS S1 is open, S1 is open, S1 is open, S1 is open, S1 is closed, S1 is closed, S1 is closed, S1 is closed, S1 is open, See Figure 2 See Figure 2 See Figure 2 See Figure 3 See Figure 4 See Figure 4 See Figure 4 See Figure 4 See Figure 2 AM26C31C AM26C31I MIN 3 3 TYP 7 7 0.5 5 10 10 7 7 170 MAX 12 12 4 10 19 19 16 16 ns ns ns ns ns ns ns ns pF UNIT
All typical values are at VCC = 5 V and TA = 25°C. NOTE 4: Cpd is used to estimate the switching losses according to PD = Cpd × VCC2 × f, where f is the switching frequency.
4
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
AM26C31 QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS103I DECEMBER 1990 REVISED FEBRUARY 2002
electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER VOH VOL |VOD| |VOD| VOC |VOC| II IO(off) IOS IOZ High-level output voltage Low-level output voltage Differential output voltage magnitude Change in magnitude of differential output voltage Common-mode output voltage Change in magnitude of common-mode output voltage Input current Driver output current with power off output current with power off Driver output short-circuit current High-impedance off-state output current off state output current TEST CONDITIONS IO = 20 mA IO = 20 mA RL = 100 , RL = 100 , RL = 100 , RL = 100 , See Figure 1 See Figure 1 See Figure 1 See Figure 1 AM26C31Q AM26C31M MIN 2.2 2 TYP 3.4 0.2 3.1 ±0.4 3 ±0.4 ±1 100 100 170 20 20 VI = 0 V or 5 V VI = 2.4 V or 0.5 V, See Note 3 100 3.2 0.4 MAX V V V V V V µA µA mA µA µA mA UNIT
VI = VCC or GND VO = 6 V VCC = 0 VO = 0.25 V VO = 0 VO = 2.5 V VO = 0.5 V IO = 0
ICC
Quiescent supply current
IO = 0
Ci Input capacitance 6 pF All typical values are at VCC = 5 V and TA = 25°C. |VOD| and |VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. NOTE 3: This parameter is measured per input. All other inputs are at 0 V or 5 V.
switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER tPLH tPHL tsk(p) tr(OD), tf(OD) tPZH tPZL tPHZ tPLZ Cpd Propagation delay time, low- to high-level output Propagation delay time, high- to low-level output Pulse skew time (|tPLH tPHL|) Differential output rise and fall times Output enable time to high level Output enable time to low level Output disable time from high level Output disable time from low level Power dissipation capacitance (each driver) (see Note 4) TEST CONDITIONS S1 is open, S1 is open, S1 is open, S1 is open, S1 is closed, S1 is closed, S1 is closed, S1 is closed, S1 is open, See Figure 2 See Figure 2 See Figure 2 See Figure 3 See Figure 4 See Figure 4 See Figure 4 See Figure 4 See Figure 2 AM26C31Q AM26C31M MIN TYP 7 6.5 0.5 5 10 10 7 7 100 MAX 12 12 4 12 19 19 16 16 ns ns ns ns ns ns ns ns pF UNIT
All typical values are at VCC = 5 V and TA = 25°C. NOTE 4: Cpd is used to estimate the switching losses according to PD = Cpd × VCC2 × f, where f is the switching frequency.
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
5
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