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DS8102+

Description
Dual Delta-Sigma Modulator and Encoder
CategoryWireless rf/communication    Telecom circuit   
File Size142KB,9 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS8102+ Overview

Dual Delta-Sigma Modulator and Encoder

DS8102+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeTSSOP
package instructionTSSOP,
Contacts16
Reach Compliance Codecompliant
ECCN codeEAR99
Samacsys DescriptionDual Delta-Sigma Modulator and Encoder
JESD-30 codeR-PDSO-G16
length5 mm
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.1 mm
Nominal supply voltage3.3 V
surface mountYES
Telecom integrated circuit typesTELECOM CIRCUIT
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width4.4 mm
Base Number Matches1
Rev 1; 2/09
Dual Delta-Sigma Modulator and Encoder
General Description
The DS8102 is a stand-alone, dual-channel, delta-
sigma modulator that converts measurements from two
differential analog input pairs into a Manchester-encod-
ed output bit stream that can be processed by a com-
panion microcontroller such as the MAXQ3108. One
channel operates at a fixed 1x gain, while the other
operates at a pin-selectable gain of 1x, 4x, 16x, or 32x.
The DS8102 includes an internal power-supply monitor,
on-board voltage reference, and low-power oscillator to
reduce the number of external components required for
data acquisition.
The Manchester-encoded output from the DS8102
combines pulse-density-modulated measurement val-
ues from both differential input channels with a syn-
chronization bit stream and is transmitted over a single
pin. This transmission scheme is ideal for split voltage
domain applications where the DS8102 and other “hot”-
side components must be electrically isolated from
“cold” low-voltage components such as a companion
microcontroller. In this type of application, the DS8102
can be capacitively coupled to a companion microcon-
troller with only two connection points required
(MNOUT and DGND).
The MAXQ3108 dual-core microcontroller, which
includes specialized Manchester bit-stream decoding
inputs and sinc3 filters, is specifically designed to act
as a companion microcontroller for up to three DS8102
devices. This configuration, which supports up to six
differential analog input channels, is well suited for
three-phase electricity-metering applications.
Features
Dual Delta-Sigma 2nd-Order Modulators
Channel 0: Pin-Selectable Gain of 1x, 4x, 16x,
or 32x
Channel 1: Fixed Gain of 1x
Selectable Internal or External Voltage Reference
Manchester-Encoded Bit Stream Output
Includes Synchronization Bits to Allow Clock
Recovery
Single-Pin Transmission Scheme Simplifies
Electrical Isolation Using Capacitive Coupling
Selectable Internal or External Clock Source
Integrated Low-Power 8MHz Oscillator
Operating Mode
Active Mode (8MHz, V
DD
= 3.6V): 3.5mA
DS8102
Ordering Information
PART
DS8102+
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
16 TSSOP
+Denotes
a lead(Pb)-free/RoHS-compliant package.
Pin Configuration
TOP VIEW
DGND
AGND
V
REF
AN1-
AN1+
AN0-
AN0+
V
DD
1
2
3
4
5
6
7
8
DS8102
+
Applications
Single-Phase Electricity Metering
Three-Phase Electricity Metering
Power-Line Conditioning
Electrochemical and Optical Sensors
Industrial Control
Data-Acquisition Systems and Data Loggers
16
15
14
13
12
11
10
9
V
DD
APDREF
RST
MNOUT
CLKIO
G1
G0
CLKSEL
TSSOP
Typical Operating Circuit appears at end of data sheet.
MAXQ is a registered trademark of Maxim Integrated Products, Inc.
________________________________________________________________
Maxim Integrated Products
1
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.

DS8102+ Related Products

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Description Dual Delta-Sigma Modulator and Encoder Dual Delta-Sigma Modulator and Encoder

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