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Data Sheet

FULL DATA SHEET (PDF, 848kB) Download   E-Mail

Description

The MAX3172/MAX3174 contain five software-selectable multiprotocol cable termination networks. Each network is capable of terminating V.11 (RS-422, RS-530, RS-530A, RS-449, V.36, and X.21) with a 100Ω differential load, V.35 with a T-network load, or V.28 (RS-232) and V.10 (RS-423) with an open circuit load for use with transceivers having on-chip termination. The devices replace discrete resistor termination networks and expensive relays required for multiprotocol termination. The MAX3172/MAX3174, along with the MAX3170 and MAX3171/MAX3173, form a complete +3.3V software-selectable DTE or DCE interface port supporting V.11/RS-422, RS-530, RS-530A, V.36/RS-449, V.35, V.28/RS-232, V.10/RS-423, and X.21 serial interfaces. In addition to the five multiprotocol cable termination networks, the MAX3172/MAX3174 contain a 1Tx/1Rx multiprotocol transceiver designed to use V+ and V- generated by the MAX3171/MAX3173 charge pump. The MAX3172/MAX3174 transceiver is software selectable between V.10 and V.28 modes of operation. The MAX3172 features 10µs deglitching on the V.10/V.28 receiver input to facilitate unterminated operation while the MAX3174 is used in applications that do not require deglitching on the serial handshake signals. These devices are available in a 28-pin SSOP package.

Key Features		Applications/Uses
Industry's First +3.3V Multiprotocol Termination Networks and Transceiver Certified TBR-1 and TBR-2 Compliant (NET1 and NET2) Supports V.28 (RS-232), V.11 (RS-422, RS-530, RS-530A, RS-449, V.36, and X.21) V.10 and V.35 3V/5V Logic-Compatible I/O Software-Selectable DTE/DCE Replaces Discrete Resistor Termination Networks and Expensive Relays 10µs Receiver Input Deglitching (MAX3172 only) Available in Small 28-Pin SSOP Packages Transmitter Output Fault Protected to ±15V, Tolerates Cable Miswiring		CSUs/DSUs Data Networking Data Routers PCI Cards Telecommunications

Diagram

Typical Operating Circuit

Design Guides

Interface (PDF)

Reliability Reports

Show FIT data for: MAX3172 MAX3174 Request Reliability Report for: MAX3172 MAX3174

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-10 of 10

MAX3172	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX3172EAI+			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX3172EAI+T			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX3172CAI			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28-3*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
MAX3172CAI-T			Active	Land Pattern: Not Available	0°C to +70°C	See data sheet
MAX3172CAI+			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28+3*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX3172CAI+T			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28+3*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX3174	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX3174CAI			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28-3*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
MAX3174CAI-T			Active	Land Pattern: Not Available	0°C to +70°C	See data sheet
MAX3174CAI+			Active	SSOP;28 pin;81.6 mm² Outline Drawing: 21-0056 (PDF) Land Pattern: 90-0095 (PDF) Use pkgcode/variation: A28+3*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX3174CAI+T			Active	Land Pattern: Not Available	0°C to +70°C	See data sheet

Related Products

MAX3170 +3.3V, Multiprotocol, 3 Tx/3 Rx, Software-Selectable Clock/Data Transceiver MAX3171, MAX3173 +3.3V Multiprotocol 3Tx/3Rx Software-Selectable Control Transceivers More Like This: View Product Families for Similar Products See All Multiprotocol Transceivers (18 Products)

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