AD7924 Analog Devices, AD7924 Datasheet - Page 2

• Manufacturer Part Number: AD7924
• Description: 4-Channel, 1 MSPS, 12-Bit A/D Converter with Sequencer in 16-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD7924

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: SOP

AD7904/AD7914/AD7924
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings.......................................................... 10
Pin Configuration and Function Descriptions........................... 11
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 14
Control Register.............................................................................. 15
Circuit Information ........................................................................ 18
REVISION HISTORY
7/11—Rev. A to Rev. B
Changes to Features Section............................................................ 1
Changes to Signal to (Noise + Distortion) (SINAD) Parameter
and Signal-to-Noise Ratio (SNR) Parameter in Table 1 .............. 3
Changes to Signal to (Noise + Distortion) (SINAD) Parameter
and Signal-to-Noise Ratio (SNR) Parameter in Table 2 .............. 5
Changes to Signal to (Noise + Distortion) (SINAD) Parameter
and Signal-to-Noise Ratio (SNR) Parameter in Table 3 .............. 7
Changes to Table 5.......................................................................... 10
Changes to Ordering Guide .......................................................... 30
Added Automotive Products Section .......................................... 30
AD7904 Specifications................................................................. 3
AD7914 Specifications................................................................. 5
AD7924 Specifications................................................................. 7
Timing Specifications .................................................................. 9
ESD Caution................................................................................ 10
Sequencer Operation ................................................................. 16
Rev. B | Page 2 of 32
Modes of Operation ....................................................................... 22
Power vs. Throughput Rate........................................................... 25
Applications Information .............................................................. 27
Outline Dimensions ....................................................................... 30
2/09—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Moved Figure 2 ..................................................................................9
Change to Table 5 ........................................................................... 10
Changes to Typical Performance Characteristics Section ........ 12
Moved Terminology Section......................................................... 14
Updated Outline Dimensions....................................................... 30
Changes to Ordering Guide .......................................................... 30
11/02—Revision 0: Initial Version
Converter Operation.................................................................. 18
ADC Transfer Function............................................................. 19
Typical Connection Diagram ................................................... 20
Normal Mode (PM1 = PM0 = 1) ............................................. 22
Full Shutdown Mode (PM1 = 1, PM0 = 0) ............................. 22
Auto Shutdown Mode (PM1 = 0, PM0 = 1) ........................... 22
Powering Up the AD7904/AD7914/AD7924 ......................... 23
Serial Interface ............................................................................ 25
Microprocessor Interfacing....................................................... 27
Grounding and Layout .............................................................. 28
Evaluating AD7904/AD7914/AD7924 Performance ............ 29
Ordering Guide .......................................................................... 30
Automotive Products ................................................................. 30