DS1854E-050/T&R datasheet, PDF

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DS1854E-050/T&R: DescriptionAnalog Circuit, 1 Func, PDSO16, TSSOP-16; CategoryAnalog mixed-signal IC The signal circuit; File Size334KB，22 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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DS1854E-050/T&R Overview

Analog Circuit, 1 Func, PDSO16, TSSOP-16

DS1854E-050/T&R Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	TSSOP
package instruction	TSSOP,
Contacts	16
Reach Compliance Code	compliant
Other features	IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G16
JESD-609 code	e0
length	5 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	16
Maximum operating temperature	95 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	4.4 mm

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Rev 1; 2/06

TION K

VALUA

BLE

AVAILA

Dual Temperature-Controlled

Resistors with Two Monitors

General Description

Features

♦

Four Total Monitored Channels (Temperature,

, MON1, MON2)

♦

Two External Analog Inputs (MON1, MON2)

♦

Internal Direct-to-Digital Temperature Sensor

♦

Two 50kΩ, Linear, 256-Position, Nonvolatile

Temperature-Controlled Variable Resistors

♦

Resistor Settings Changeable Every 2°C

♦

Access to Monitoring and ID Information

Configurable with Separate Device Addresses

♦

Resistor Disable (Open-Circuit) Function

♦

2-Wire Serial Interface

♦

Two Buffers with TTL/CMOS-Compatible Inputs

and Open-Drain Outputs

♦

Operates from a 3.3V or 5V Supply

♦

SFF-8472 Compatible

DS1854

The DS1854 dual temperature-controlled nonvolatile

(NV) variable resistors with two monitors consists of two

50kΩ 256-position linear variable resistors, two analog

monitor inputs (MON1, MON2), and a direct-to-digital

temperature sensor. The device provides an ideal

method for setting and temperature-compensating bias

voltages and currents in control applications using min-

imal circuitry. The variable resistor settings are stored in

EEPROM memory and can be accessed over the 2-wire

serial bus.

Applications

Optical Transceivers

Optical Transponders

Instrumentation and Industrial Controls

RF Power Amps

Diagnostic Monitoring

Ordering Information

PART

DS1854E-050

DS1854B-050

TEMP RANGE PIN-PACKAGE

-40°C to +95°C 16 TSSOP

-40°C to +95°C 16-Ball CSBGA

Typical Operating Circuit

= 3.3V

4.7kΩ

2-WIRE

INTERFACE

TX-FAULT

4.7kΩ

LOS

GROUND TO

DISABLE WRITE

PROTECT

SDA

SCL

OUT1

IN1

OUT2

IN2

WPEN

GND

DECOUPLING

CAP

Pin Configurations

TOP VIEW

IN1

SCL

1 SDA

2 SCL

OUT2

SDA

3 OUT1

4 IN1

WPEN

IN2

OUT1

5 OUT2

MON2

6 IN2

7 WPEN

MON1

8 GND

H1 15

L1 14

H0 13

0.1µF

TO LASER BIAS

CONTROL

TO LASER

MODULATION

CONTROL

DIAGNOSTIC

INPUTS

0 TO 2.5V FS

DS1854

MON2

MON1

RHIZ

DS1854

L0 12

MON2 11

MON1 10

RHIZ 9

11 Rx POWER*

10 Tx BIAS*

9 Tx DISABLE

GND

RHIZ

*Rx POWER AND Tx BIAS CAN BE ARBITRARILY

ASSIGNED TO THE MON INPUTS

16-BALL CSBGA (4mm x 4mm)

1.0mm PITCH

16 TSSOP

______________________________________________

Maxim Integrated Products

For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

DS1854E-050/T&R Related Products

	DS1854E-050/T&R	DS1854B-050-	DS1854E-050	DS1854E-050+	DS1854B-050
Description	Analog Circuit, 1 Func, PDSO16, TSSOP-16	Digital Potentiometer ICs	Digital Potentiometer ICs	Digital Potentiometer ICs	Digital Potentiometer ICs
Is it lead-free?	Contains lead	-	Contains lead	-	Contains lead
Is it Rohs certified?	incompatible	-	incompatible	-	incompatible
Maker	Maxim	-	Maxim	-	Maxim
Parts packaging code	TSSOP	-	TSSOP	-	BGA
package instruction	TSSOP,	-	TSSOP,	-	4 X 4 MM, 1 MM PITCH, CSBGA-16
Contacts	16	-	16	-	16
Reach Compliance Code	compliant	-	compliant	-	not_compliant
Other features	IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY	-	IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY	-	IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	-	ANALOG CIRCUIT	-	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G16	-	R-PDSO-G16	-	S-PBGA-B16
length	5 mm	-	5 mm	-	4 mm
Humidity sensitivity level	1	-	1	-	3
Number of functions	1	-	1	-	1
Number of terminals	16	-	16	-	16
Maximum operating temperature	95 °C	-	95 °C	-	95 °C
Minimum operating temperature	-40 °C	-	-40 °C	-	-40 °C
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	TSSOP	-	TSSOP	-	LBGA
Package shape	RECTANGULAR	-	RECTANGULAR	-	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-	GRID ARRAY, LOW PROFILE
Peak Reflow Temperature (Celsius)	240	-	240	-	240
Certification status	Not Qualified	-	Not Qualified	-	Not Qualified
Maximum seat height	1.1 mm	-	1.1 mm	-	1.5 mm
Maximum supply voltage (Vsup)	5.5 V	-	5.5 V	-	5.5 V
Minimum supply voltage (Vsup)	3 V	-	3 V	-	3 V
Nominal supply voltage (Vsup)	3.3 V	-	3.3 V	-	3.3 V
surface mount	YES	-	YES	-	YES
Temperature level	INDUSTRIAL	-	INDUSTRIAL	-	INDUSTRIAL
Terminal form	GULL WING	-	GULL WING	-	BALL
Terminal pitch	0.65 mm	-	0.65 mm	-	1 mm
Terminal location	DUAL	-	DUAL	-	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED	-	20	-	20
width	4.4 mm	-	4.4 mm	-	4 mm

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