SBAS490B December   2011  – May 2015 DAC1282

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Thermal Information
    4. 7.4 Electrical Characteristics
    5. 7.5 Timing Requirements: Serial Peripheral Interface (SPI) Timing
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Feature Description
      1. 8.2.1  Signal Output (VOUTP, VOUTN)
      2. 8.2.2  DAC Modes
        1. 8.2.2.1 Sine Mode
        2. 8.2.2.2 DC Mode
        3. 8.2.2.3 Pulse Mode
        4. 8.2.2.4 Digital Data Mode
      3. 8.2.3  Reference Voltage (VREF)
      4. 8.2.4  Output Filter (CAPP, CAPN)
      5. 8.2.5  Output Switch (SWINP, SWINN, SWOUTP, SWOUTN)
      6. 8.2.6  Clock Input (CLK)
      7. 8.2.7  Switch Control/External Digital Input (SW/TD)
        1. 8.2.7.1 SW Function
        2. 8.2.7.2 TD Function
      8. 8.2.8  SYNC
      9. 8.2.9  RESET/PWDN
      10. 8.2.10 AVDD, AVSS, and DVDD Power Supplies
        1. 8.2.10.1 Power Consumption
        2. 8.2.10.2 Offset and Gain Error
        3. 8.2.10.3 Signal-to-Noise Ratio (SNR)
        4. 8.2.10.4 DC Noise
        5. 8.2.10.5 Total Harmonic Distortion (THD)
      11. 8.2.11 Step Response
      12. 8.2.12 Frequency Response
    3. 8.3 Device Functional Modes
      1. 8.3.1 Serial Interface
        1. 8.3.1.1 Serial Communications
        2. 8.3.1.2 Chip Select (CS)
        3. 8.3.1.3 Serial Clock (SCLK)
        4. 8.3.1.4 Data Input (DIN)
        5. 8.3.1.5 Data Output (DOUT)
      2. 8.3.2 SPI Timeout
    4. 8.4 Programming
      1. 8.4.1 Commands
        1. 8.4.1.1 RREG: Read From Registers
        2. 8.4.1.2 WREG: Write To Registers
        3. 8.4.1.3 RESET: Device Reset
    5. 8.5 Register Map
      1. 8.5.1 Register Descriptions
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Single-Channel Seismic System
      2. 9.2.2 Four-Channel Seismic System
  10. 10Device and Documentation Support
    1. 10.1 Community Resources
    2. 10.2 Trademarks
    3. 10.3 Electrostatic Discharge Caution
    4. 10.4 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

PW Package
24-Pin TSSOP
Top VIew
DAC1282 DAC1282A po_bas490.gif

Pin Functions

PIN FUNCTION DESCRIPTION
NAME NO.
AVDD 13, 24 Analog supply Analog positive power supply
AVSS 14 Analog supply Analog negative power supply, reference ground
AVSS 23 Analog supply Analog negative power supply
CAPN 15 Analog External capacitor connected to VOUTN
CAPP 22 Analog External capacitor connected to VOUTP
CS 1 Digital input Serial port chip select
CLK 7 Digital input Master clock 4.096 MHz
DGND 6 Ground Key digital ground
DGND 11 Ground Digital ground
DIN 3 Digital input Serial port data input
DOUT 4 Digital output Serial port data output
DVDD 5 Digital supply Digital power supply: 1.65 V to 3.6 V
RESET/PWDN 10 Digital input Reset/power-down input
SCLK 2 Digital input Serial port shift clock
SW/TD 8 Digital input Switch control input or bitstream input
SWINN 17 Analog I/O Switch negative input
SWINP 20 Analog I/O Switch positive input
SWOUTN 18 Analog I/O Switch negative output
SWOUTP 19 Analog I/O Switch positive output
SYNC 9 Digital input Synchronize input
VOUTN 16 Analog output Negative voltage output
VOUTP 21 Analog output Positive voltage output
VREF 12 Analog input Reference voltage input