A5191HRTPG-XTP ON Semiconductor, A5191HRTPG-XTP Datasheet

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A5191HRTPG-XTP

Manufacturer Part Number
A5191HRTPG-XTP
Description
MODEM HART SGL CMOS 28PLCC
Manufacturer
ON Semiconductor
Series
-r
Datasheet

Specifications of A5191HRTPG-XTP

Data Format
HART
Interface
CMOS
Voltage - Supply
3 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
28-PLCC
Baud Rates
1.2k
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Baud Rates
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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A5191HRT
HART Modem
Description
addressable remote transducer (HART) field instruments and masters.
The modem and a few external passive components provide all of the
functions needed to satisfy HART physical layer requirements
including modulation, demodulation, receive filtering, carrier detect,
and transmit−signal shaping.
(FSK) at 1200 bits per second. To conserve power the receive circuits
are disabled during transmit operations and vice versa. This provides
the half−duplex operation used in HART communications.
Features
Applications
© Semiconductor Components Industries, LLC, 2010
November, 2010 − Rev. 4
The A5191HRT is a single−chip, CMOS modem for use in highway
The A5191HRT uses phase continuous frequency shift keying
Single−chip, Half−duplex 1200 Bits per Second FSK Modem
Bell 202 Shift Frequencies of 1200 Hz and 2200 Hz
3.0 V − 5.0 V Power Supply
Transmit−signal Wave Shaping
Receive Band−pass Filter
Low Power: Optimal for Intrinsically Safe Applications
Compatible with 3.3 V or 5 V Microcontroller
Internal Oscillator Requires 460.8 kHz Crystal or Ceramic Resonator
Meets HART Physical Layer Requirements
Industrial Temperature Range of −40°C to +85°C
Available in 28−pin PLCC, 32−pin QFN and 32−pin LQFP Packages
These are Pb−Free Devices
HART Multiplexers
HART Modem Interfaces
4 − 20 mA Loop Powered Transmitters
1
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
CASE 776AA
P SUFFIX
PLCC−28
A5191HRTxx = Specific Device Code
xx
XXXX
Y
ZZ
A
WL
YY
WW
G or G
ORDERING INFORMATION
MARKING DIAGRAMS
= P (PLCC), L (LQFP) or N (QFN)
= Date Code
= Plant Identifier
= Traceability Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
http://onsemi.com
1
1
32
CASE 488AM
XXXXYZZ
A5191HRTPG
(Top Views)
XXXXYZZ
A5191
HRTLG
AWLYYWW
N SUFFIX
QFN−32
HRTNG
A5191
1 28
G
Publication Order Number:
CASE 561AB
A5191HRT/D
L SUFFIX
LQFP−32

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A5191HRTPG-XTP Summary of contents

Page 1

... Semiconductor Components Industries, LLC, 2010 November, 2010 − Rev. 4 http://onsemi.com PLCC−28 QFN−32 P SUFFIX N SUFFIX CASE 776AA CASE 488AM MARKING DIAGRAMS (Top Views) XXXXYZZ A5191HRTPG 32 1 XXXXYZZ A5191 HRTLG 1 A5191 HRTNG AWLYYWW A5191HRTxx = Specific Device Code (PLCC), L (LQFP (QFN) ...

Page 2

VDD RESET Demodulator RxD Logic Carrier Detect CD Counter Numeric TxD Controlled Oscillator RTS Crystal Oscillator XOUT XIN Table 1. ABSOLUTE MAXIMUM RATINGS Symbol T Ambient A T Storage Temperature S V Supply Voltage Input, ...

Page 3

Table 2. DC CHARACTERISTICS (V Symbol Parameter V Input Voltage, Low IL V Input Voltage, High IH V Output Voltage, Low ( Output Voltage, High ( Input Capacitance of: IN Analog Input RXA Digital Input ...

Page 4

Table 4. MODEM CHARACTERISTICS Parameter Demodulator jitter Conditions 1. Input frequencies at 1200 Hz ± 10 Hz, 2200 Hz ± Clock frequency of 460.8 kHz ± 0.1% 3. Input (RxA) asymmetry, 0 Table 5. CERAMIC RESONATOR − ...

Page 5

TEST 5 RESET TEST 7 TEST 8 TEST 9 Table 6. PIN OUT SUMMARY 28−PIN PLCC Pin No. Signal Name 1 TEST1 TEST2 TEST5 6 RESETB TEST7 TxA ...

Page 6

TEST5 1 RESET 2 TEST7 3 TEST8 4 A5191HRT TEST9 5 VSS 6 7 TxA AREF 8 PC 20101014 .2 Figure 4. Pin Out A5191HRT in 32-pin QFN and LQFP (top view) Table 7. PIN OUT SUMMARY 32−PIN QFN AND ...

Page 7

Pin Descriptions Table 8. PIN DESCRIPTIONS Symbol Pin Name AREF Analog reference voltage CDREF Carrier detect reference voltage RESETB Reset digital logic RTSB Request to send RxA Analog receive input RxAFI Analog receive comparator input TxD Digital transmit input XIN ...

Page 8

Functional Description The A5191HRT is a single-chip modem for use in Highway Addressable Remote Transducer (HART) field instruments and masters. The modem IC contains a transmit data modulator with signal shaper, carrier detect circuitry, an analog receiver, demodulator circuitry and ...

Page 9

... CDREF. AREF sets the DC operating point of the internal operational amplifiers and is the reference for the 1.235 comparator. If A5191HRT operates Semiconductor LM285A 1.235 V reference is recommended. The level at which CD (Carrier Detect) becomes active is determined by the DC voltage difference (CDREF - AREF). Selecting a voltage difference will set the carrier ...

Page 10

Internal Oscillator Option The oscillator cell will function with either a 460.8 kHz crystal or ceramic resonator. A parallel resonant ceramic resonator can be connected between XIN and XOUT. Figure 12 illustrates the crystal option for clock generation using a ...

Page 11

PACKAGE DIMENSIONS PLCC 28 LEAD CASE 776AA−01 ISSUE O http://onsemi.com 11 ...

Page 12

... 0. 0.28 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 12 1. DIMENSIONS AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS. 3. DIMENSION b APPLIES TO PLATED TERMINAL AND IS MEASURED BETWEEN ...

Page 13

PACKAGE DIMENSIONS LQFP−32, 7x7 CASE 561AB−01 ISSUE O http://onsemi.com 13 ...

Page 14

... Part Number A5191HRTLG−XTD 32−pin LQFP Green/RoHS compliant A5191HRTLG−XTP 32−pin LQFP Green/RoHS compliant A5191HRTPG−XTD 28−pin PLCC Green/RoHS compliant A5191HRTPG−XTP 28−pin PLCC Green/RoHS compliant A5191HRTNG−XTD 32−pin QFN Green/RoHS compliant A5191HRTNG−XTP 32−pin QFN Green/RoHS compliant ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...

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