AD7798BRUZ Analog Devices Inc, AD7798BRUZ Datasheet - Page 2

• Manufacturer Part Number: AD7798BRUZ
• Description: IC ADC 16BIT SIG-DEL 3CH 16TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7798BRUZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 16
• Sampling Rate (per Second): 470
• Number Of Converters: 1
• Power Dissipation (max): 2mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 16bit
• Sampling Rate: 470SPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Analog: 2.7V To 5.25V
• Supply Voltage Range - Digital: 2.7V To 5.25V
• Number Of Elements: 1
• Resolution: 16Bit
• Architecture: Delta-Sigma
• Sample Rate: 0.47KSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±2.5V
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 2mW
• Integral Nonlinearity Error: ±15ppm of FSR
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: TSSOP
• Input Signal Type: Differential
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7798EB - BOARD EVALUATION FOR AD7798
• Lead Free Status / Rohs Status: Compliant

AD7798/AD7799
TABLE OF CONTENTS
Features .............................................................................................. 1
Interface ............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Characteristics..................................................................... 6
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Output Noise and Resolution Specifications .............................. 10
Typical Performance Characteristics ........................................... 12
On-Chip Registers .......................................................................... 13
REVISION HISTORY
3/07—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Specifications ................................................................ 3
Changes to Table 5 and Table 6..................................................... 10
Changes to Table 7 and Table 8..................................................... 11
Changes to Table 14........................................................................ 15
Changes to Ordering Guide .......................................................... 27
1/05—Revision 0: Initial Version
ESD Caution.................................................................................. 8
AD7798 ........................................................................................ 10
AD7799 ........................................................................................ 11
Communication Register .......................................................... 13
Status Register ............................................................................. 14
Mode Register ............................................................................. 14
Configuration Register .............................................................. 16
Data Register ............................................................................... 17
ID Register................................................................................... 17
Rev. A | Page 2 of 28
ADC Circuit Information.............................................................. 18
Circuit Description......................................................................... 22
Applications Information .............................................................. 26
Outline Dimensions ....................................................................... 27
IO Register................................................................................... 17
Offset Register ............................................................................ 17
Full-Scale Register...................................................................... 17
Overview ..................................................................................... 18
Digital Interface.......................................................................... 19
Analog Input Channel ............................................................... 22
Instrumentation Amplifier........................................................ 22
Bipolar/Unipolar Configuration .............................................. 22
Data Output Coding .................................................................. 23
Burnout Currents ....................................................................... 23
Reference ..................................................................................... 23
Reference Detect......................................................................... 23
Reset ............................................................................................. 23
AV
Calibration................................................................................... 24
Grounding and Layout .............................................................. 25
Weigh Scales................................................................................ 26
Ordering Guide .......................................................................... 27
DD
Monitor ............................................................................. 24