AD1938YSTZRL Analog Devices Inc, AD1938YSTZRL Datasheet - Page 2
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AD1938YSTZRL
Manufacturer Part Number
AD1938YSTZRL
Description
IC,Soundcard Circuits,QFP,48PIN,PLASTIC
Manufacturer
Analog Devices Inc
Type
General Purposer
Datasheet
1.AD1938YSTZRL.pdf
(32 pages)
Specifications of AD1938YSTZRL
Data Interface
Serial
Resolution (bits)
24 b
Number Of Adcs / Dacs
4 / 8
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
94 / 94
Dynamic Range, Adcs / Dacs (db) Typ
105 / 106
Voltage - Supply, Analog
3 V ~ 3.6 V
Voltage - Supply, Digital
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD1938YSTZRL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
AD1938
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 11
Theory of Operation ...................................................................... 13
REVISION HISTORY
1/11—Rev. B to Rev. C
Added Automotive Information ................................. Throughout
Change to Table 2, Introductory Text ............................................ 4
Change to Table 4, Introductory Text ............................................ 5
Change to Table 7, Introductory Text ............................................ 7
Changes to Ordering Guide .......................................................... 31
8/09—Rev. A to Rev. B
Changes to Table 16 Title............................................................... 24
Changes to Figure 18 and Table 19 Titles .................................... 25
Changes to Table 20 Title............................................................... 26
Changes to Table 23 and Table 24 Titles ...................................... 27
Changes to Table 25 Title............................................................... 28
Changes to Ordering Guide .......................................................... 31
Test Conditions ............................................................................. 3
Analog Performance Specifications ........................................... 3
Crystal Oscillator Specifications................................................. 4
Digital Input/Output Specifications........................................... 5
Power Supply Specifications........................................................ 5
Digital Filters ................................................................................. 6
Timing Specifications .................................................................. 7
Thermal Resistance ...................................................................... 8
ESD Caution .................................................................................. 8
Rev. C | Page 2 of 32
Control Registers ............................................................................ 24
Applications Circuits ...................................................................... 30
Outline Dimensions ....................................................................... 31
7/08—Rev. 0 to Rev. A
Changes to Table 7 ............................................................................. 7
Changes to Figure 2 ........................................................................... 9
Changes to Table 10 .......................................................................... 9
Changes to Clock Signals Section ................................................ 13
Changes to Reset and Power-Down Section ............................... 14
Change to Serial Control Port Section ........................................ 14
Changes to Table 11 ....................................................................... 14
Changes to Figure 24 and Figure 25 ............................................ 22
Changes to Figure 26 ...................................................................... 23
Changes to Definitions Section .................................................... 24
Changes to Table 16 ....................................................................... 24
Change to Additional Modes Section .......................................... 29
Change to Figure 30 ....................................................................... 30
5/06—Revision 0: Initial Version
Analog-to-Digital Converters (ADCs) .................................... 13
Digital-to-Analog Converters (DACs) .................................... 13
Clock Signals ............................................................................... 13
Reset and Power-Down ............................................................. 14
Serial Control Port ..................................................................... 14
Power Supply and Voltage Reference ....................................... 15
Serial Data Ports—Data Format ............................................... 15
Time-Division Multiplexed (TDM) Modes ............................ 15
Daisy-Chain Mode ..................................................................... 19
Definitions ................................................................................... 24
PLL and Clock Control Registers ............................................. 24
DAC Control Registers .............................................................. 25
ADC Control Registers .............................................................. 27
Additional Modes ....................................................................... 29
Ordering Guide .......................................................................... 31