AD9042ASTZ Analog Devices Inc, AD9042ASTZ Datasheet - Page 2

• Manufacturer Part Number: AD9042ASTZ
• Description: IC ADC 12BIT 41MSPS 44-TQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9042ASTZ

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 41M
• Number Of Converters: 3
• Power Dissipation (max): 735mW
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Resolution (bits): 12bit
• Sampling Rate: 41MSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Analog: 5V
• Supply Voltage Range - Digital: 5V
• Supply Current: 119mA
• Number Of Elements: 1
• Resolution: 12Bit
• Architecture: Pipelined
• Sample Rate: 41MSPS
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: 1.9/2.9V
• Differential Input: No
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• 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: 735mW
• Differential Linearity Error: ±1LSB
• Integral Nonlinearity Error: ±0.75LSB(Typ)
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: LQFP
• Input Signal Type: Single-Ended
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9042
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 11
Equivalent Circuits ......................................................................... 12
REVISION HISTORY
9/09—Rev. A to Rev. B
Updated Format .................................................................. Universal
Reorganized Layout ............................................................ Universal
Deleted DH-28 Package ................................................ Throughout
Changes to General Description Section and Product
Highlights Section ............................................................................ 1
Deleted Wafer Test Limits Section ................................................. 4
Deleted Die Layout and Mechanical Information Table and Die
Layout with Pad Labels Figure ........................................................ 6
Changes to Figure 4 .......................................................................... 7
Deleted Figure 7; Renumbered Sequentially ................................. 7
Deleted Figure 15 and Figure 16 ..................................................... 9
Deleted Evaluation Boards Section .............................................. 13
Changes to Layout Information Section ...................................... 16
Removed Evaluation Boards Section ........................................... 18
Changes to Figure 49 and Figure 50 ............................................. 19
Changes to Figure 52 ...................................................................... 20
Changes to Figure 54 ...................................................................... 22
Updated Outline Dimension ......................................................... 24
Changes to Ordering Guide .......................................................... 24
DC Specifications ......................................................................... 3
Switching Specifications .............................................................. 4
AC Specifications .......................................................................... 4
Thermal Resistance ...................................................................... 6
Explanation of Test Levels ........................................................... 6
ESD Caution .................................................................................. 6
Rev. B | Page 2 of 24
Theory of Operation ...................................................................... 13
Digital Wideband Receivers .......................................................... 16
Receive Chain for Digital and Analog Beam Forming Medical
Ultrasound Using the AD9042 ........................................................ 21
Outline Dimensions ....................................................................... 22
5/96—Rev. 0 to Rev. A
Changes to Specifications Section ................................................... 2
Changes to Switching Specifications Section................................. 2
Changes to AC Specifications Section ............................................ 3
Changes to Ordering Guide ............................................................. 4
Changes to Pin Descriptions Section .............................................. 5
Added Die Layout and Mechanical Information Section ............ 6
Changes to Figure 2, Figure 3, Figure 5, and Figure 6 .................. 7
Changes to Figure 37 ...................................................................... 14
Added Figure 38 ............................................................................. 15
Added Table 2 ................................................................................. 15
Added Figure 43, Figure 44, Figure 45, and Figure 46 .............. 17
Added Figure 47 and Figure 48 .................................................... 18
Changes to Figure 53 ...................................................................... 21
Changes to Figure 54 ...................................................................... 22
Added Receiver Example Section ................................................. 22
Added Multitone Performance Section ....................................... 22
Added Receive Chain for Digital Beam-Forming Medical
Ultrasound Using the AD9042 Section ....................................... 23
Added Figure 58 ............................................................................. 23
10/95—Rev. 0: Initial Version
Encoding the AD9042 ............................................................... 13
Driving the Analog Input .......................................................... 14
Power Supplies ............................................................................ 15
Output Loading .......................................................................... 15
Layout Information .................................................................... 15
Introduction ................................................................................ 16
Noise Floor and SNR ................................................................. 18
Processing Gain .......................................................................... 18
Overcoming Static Nonlinearities with Dither ...................... 18
Receiver Example ....................................................................... 19
IF Sampling, Using the AD9042 as a Mix-Down Stage ........ 20
Ordering Guide .......................................................................... 22