Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - transceivers RS485 1/1 SOIC 14

General Description

The MAX13181E–MAX13184E are full-duplex and selec-

table half-/full-duplex RS-485 transceivers in a tiny 2mm x

2mm µDFN package. These devices are designed for

space-constrained applications by including extended

ESD protection to ±15kV per Human Body Model (HBM)

and integrating pullup/pulldown resistors on the DE, RE

and H/F inputs to reduce external components. The

MAX13182E/MAX13184E feature a low-current shutdown

mode for power-sensitive applications.

These devices have a 1/8 unit-load input receiver

that allows up to 256 transceivers on the bus. The

MAX13181E/MAX13182E feature reduced slew-rate

drivers to minimize EMI and reflections that are caused

by improperly terminated cables. The slew-rate limited

MAX13181E/MAX13182E allow error-free data transmis-

sion up to 250kbps. The MAX13183E/MAX13184E feature

full-speed drivers, allowing data rates of up to 16Mbps.

The MAX13182E/MAX13184E are configured for full-

duplex operation, while the MAX13181E/MAX13183E

feature pin-selectable half- or full-duplex operation. All

driver outputs and receiver inputs include extended

ESD protection.

The MAX13181E–MAX13184E are available in a tiny 10-

pin, 2mm x 2mm µDFN. The MAX13183E/MAX13184E are

also available in industry-standard 14-pin SO packages.

The devices operate over the extended -40°C to +85°C

temperature range.

Applications

Features

o Available in Tiny, 10-Pin, 2mm x 2mm, µDFN and

14-Pin SO Packages

o +5.0V Operation

o Extended ESD Protection

±15kV Human Body Model

±12kV IEC 61000-4-2 Air-Gap Disharge

±6kV IEC 61000-4-2 Contact Disharge

o Slew-Rate Limiting Facilitates Error-Free Data

Transmission (MAX13181E/MAX13182E)

o 2.5µA (typ) Low-Current Shutdown Mode

o 1/8-Unit Load Allows Up to 256 Transceivers on

the Bus

MAX13181E–MAX13184E

+5.0V, ±15kV ESD-Protected, Half-Duplex/

Full-Duplex, RS-485 Transceiver in µDFN

________________________________________________________________

Maxim Integrated Products

19-0879; Rev 0; 7/07

For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Ordering Information

Denotes a lead-free package.

PART TEMP RANGE PIN-PACKAGE TOP MARK PKG CODE

MAX13181EELB+ -40°C to +85°C 10 µDFN ABC L1022-1

MAX13182EELB+ -40°C to +85°C 10 µDFN ABD L1022-1

MAX13182EESD+ -40°C to +85°C 14 SO — S14-1

Industrial Control

Motor Drive Control

Telecom

Security System

Instrumentation

Selector Guide

PART

HALF/FULL

DUPLEX

MAXIMUM DATA

RATE

SLEW-RATE

LIMITED

LOW-POWER

SHUTDOWN

RECEIVER

ENABLE

MAX13181E Selectable 250 kbps Yes No No

MAX13182E Full 250 kbps Yes Yes Yes

MAX13183E Selectable 16 Mbps No No No

MAX13184E Full 16 Mbps No Yes Yes

Ordering Information continued at end of data sheet.

Pin Configurations

MAX13182E

MAX13184E

RO RE DE DI

TOP VIEW

µDFN

Y GND

MAX13181E

MAX13183E

RO H/F DE DI

ABZ

µDFN

Y GND

Pin Configurations continued at end of data sheet.

Summary of content (18 pages)

PAGE 1
9-0879; Rev 0; 7/07 +5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN The MAX13181E–MAX13184E are full-duplex and selectable half-/full-duplex RS-485 transceivers in a tiny 2mm x 2mm µDFN package. These devices are designed for space-constrained applications by including extended ESD protection to ±15kV per Human Body Model (HBM) and integrating pullup/pulldown resistors on the DE, RE and H/F inputs to reduce external components.
PAGE 2
MAX13181E–MAX13184E +5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) Supply Voltage (VCC) ...............................................-0.3V to +6V Control Voltage (RE, DE, DI, H/F).............................-0.3V to +6V Driver Output Voltage (A, B, Y, Z) ..........................-8V to +12.5V Receiver Input Voltage (A, B).................................-8V to +12.5V Receiver Input Voltage Full-Duplex (A, B)...
PAGE 3
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN (VCC = +5V ±10%, TA =TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.
PAGE 4
MAX13181E–MAX13184E +5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN DRIVER SWITCHING CHARACTERISTICS—MAX13183E/MAX13184E (MAXIMUM DATA RATE OF 16Mbps) (VCC = +5V ±10%, TA =TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.
PAGE 5
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN MAX13181E–MAX13184E Y RL VOD A (Y) 2 RO B (Z) VOH VOL CL RL 2 CL VOC GND Z Figure 2. Receiver Differential Input Figure 1. Driver Differential Output 3V DI 1.5V 0 tDPLH tDPHL 1/2 VO Z VO Y 1/2 VO VO VDIFF 0 -VO VDIFF = V (Y) - V (Z) 90% 10% 90% 10% tDF tDR tDSKEW = | tDPLH - tDPHL Figure 3.
PAGE 6
MAX13181E–MAX13184E +5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN VCC RL = 500Ω S1 0 OR 3V D OUT CL 50pF DE GENERATOR 50Ω VCC VCC / 2 DE tDZL , tDZL(SHDN) 0 tDLZ VCC VOH VOM = (VOL + VCC) / 2 OUT 0.5V VOL Figure 4b. Driver Enable and Disable Times (tDLZ, tDZL, tDZL(SHDN)) A (Y) +1V B (Z) -1V tRPLH VOH RO VOL tRPHL 1.5V tRSKEW = | tRPLH - tRPHL | THE RISE TIME AND FALL TIME OF INPUTS A, B, Y AND Z < 4ns Figure 5.
PAGE 7
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN MAX13181E–MAX13184E S1 +1.5V S3 5V 1kΩ -1.5V VID R CL 15pF GENERATOR S2 50Ω S1 OPEN S2 CLOSED S3 = +1.5V S1 CLOSED S2 OPEN S3 = -1.5V 5V 5V 1.5V RE RE 0 0 tRZH, tRZH(SHDN) tRZL, tRZL(SHDN) VOH RO VCC VOH / 2 (VOL + VOH) / 2 RO 0 S1 OPEN S2 CLOSED S3 = +1.5V VOL S1 CLOSED S2 OPEN S3 = -1.5V 5 2.5V 2.5V RE tRHZ 5V 0 RE 0 tRLZ 5V VOH 0.5V RO 0 RO 0.5V VOL Figure 6.
PAGE 8
Typical Operating Characteristics (VCC = +5V, TA = 25°C, unless otherwise noted.) OUTPUT CURRENT vs. RECEIVER OUTPUT HIGH VOLTAGE 2 -15 10 35 60 85 12 0 0 1 2 3 4 0 5 1 2 3 4 5 RECEIVER OUTPUT HIGH VOLTAGE vs. TEMPERATURE RECEIVER OUTPUT LOW VOLTAGE vs. TEMPERATURE DRIVER DIFFERENTIAL OUTPUT CURRENT vs. DIFFERENTIAL OUTPUT VOLTAGE 4.8 4.6 4.4 4.2 4.0 IO = -1mA 0.4 0.3 0.2 0.1 0 -15 10 35 60 85 80 MAX13181E-4E toc06 5.0 RECEIVER OUTPUT LOW VOLTAGE (V) 5.2 0.
PAGE 9
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN DRIVER PROPAGATION DELAY vs. TEMPERATURE (250kbps) (MAX13182E) 6 4 2 600 tDPHL 500 400 tPDLH 300 200 -40 -15 10 35 60 -15 RECEIVER PROPAGATION DELAY (ns) 40 tRPLH 30 20 tRPHL 10 tDPHL 20 tPDLH 10 10 35 60 85 -40 -15 10 35 60 TEMPERATURE (°C) RECEIVER PROPAGATION DELAY vs.
PAGE 10
MAX13181E–MAX13184E +5.
PAGE 11
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN MAX13181E/ MAX13183E MAX13182E/ MAX13184E MAX13182E/ MAX13184E NAME FUNCTION SO µDFN 1 1 14 VCC Positive Supply, VCC = +4.5V to +5.5V. Bypass VCC with a 0.1µF ceramic capacitor to ground. 2 2 2 RO Receiver Output. When RE is low and (A-B) ≥ 200mV, RO is high; if (A-B) ≤ -200mV, RO is low. — 3 3 RE Receiver Output Enable. Drive RE low to enable RO. Drive RE high to disable the receiver.
PAGE 12
RC 1MΩ CHARGE-CURRENTLIMIT RESISTOR RD 1500Ω IP 100% 90% DISCHARGE RESISTANCE Ir PEAK-TO-PEAK RINGING (NOT DRAWN TO SCALE) AMPS HIGHVOLTAGE DC SOURCE Cs 100pF STORAGE CAPACITOR DEVICE UNDER TEST 36.8% 10% 0 0 Figure 7a. Human Body ESD Test Model RC 50MΩ TO 100MΩ CHARGE-CURRENTLIMIT RESISTOR HIGHVOLTAGE DC SOURCE Cs 150pF tDL CURRENT WAVEFORM Figure 7b. Human Body Current Waveform RD 330Ω I 100% 90% DISCHARGE RESISTANCE STORAGE CAPACITOR TIME tRL IPEAK MAX13181E–MAX13184E +5.
PAGE 13
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN A Enable times tZH and tZL (see the Switching Characteristics) assume the devices are not in a low-power shutdown state. Enable times t ZH(SHDN) and t ZL(SHDN) assume the devices are in a shutdown state. It takes drivers and receivers longer to become enabled from lowpower shutdown mode (tZH(SHDN), tZL(SHDN)) than from driver-/receiver-disable mode (tZH, tZL).
PAGE 14
MAX13181E–MAX13184E +5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN A R RO Y 120Ω 120Ω D B DI Z DE Z DI 120Ω 120Ω D DE RE RO B R Y H/F A Y MAX13181E/MAX13183E CONFIGURED FOR FULLDUPLEX OPERATION Z B A Y Z B R A R D D DI DI DE RE RO DE RE RO Figure 10.
PAGE 15
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN TEMP RANGE PIN-PACKAGE TOP MARK PKG CODE MAX13183EELB+ PART -40°C to +85°C 10 µDFN ABA L1022-1 MAX13184EELB+ -40°C to +85°C 10 µDFN ABB L1022-1 MAX13184EESD+ -40°C to +85°C 14 SO — S14-1 +Denotes a lead-free package. Pin Configurations (continued) Chip Information PROCESS: BiCMOS TOP VIEW N.C. 1 + 14 VCC RO 2 RE 3 DE 4 13 N.C. MAX13182E MAX13184E 12 A 11 B DI 5 10 Z GND 6 9 Y GND 7 8 N.C.
PAGE 16
Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) A D XXXX XXXX XXXX b e N SOLDER MASK COVERAGE E PIN 1 0.10x45∞ L PIN 1 INDEX AREA 6, 8, 10L UDFN.EPS MAX13181E–MAX13184E +5.
PAGE 17
+5.0V, ±15kV ESD-Protected, Half-Duplex/ Full-Duplex, RS-485 Transceiver in µDFN COMMON DIMENSIONS SYMBOL MIN. NOM. A 0.70 0.75 0.80 A1 0.15 0.20 0.25 0.035 A2 0.020 0.025 D 1.95 2.00 E 1.95 2.00 L 0.30 0.40 L1 MAX. - 2.05 2.05 0.50 0.10 REF. PACKAGE VARIATIONS PKG. CODE N e b (N/2 -1) x e L622-1 6 0.65 BSC 0.30±0.05 1.30 REF. L822-1 8 0.50 BSC 0.25±0.05 1.50 REF. L1022-1 10 0.40 BSC 0.20±0.03 1.60 REF. PACKAGE OUTLINE, 6, 8, 10L uDFN, 2x2x0.
PAGE 18
Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) DIM A A1 B C e E H L N E H INCHES MILLIMETERS MAX MIN 0.069 0.053 0.010 0.004 0.014 0.019 0.007 0.010 0.050 BSC 0.150 0.157 0.228 0.244 0.016 0.050 MAX MIN 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 1.27 BSC 3.80 4.00 5.80 6.20 0.40 SOICN .EPS MAX13181E–MAX13184E +5.