SBAS422B July   2007  – January 2018 DAC8881

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Block Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Characteristics for
    7. 6.7 Timing Characteristics for and
    8. 6.8 Typical Characteristics: VDD = +5 V
    9. 6.9 TYpical Characteristics: VDD = +2.7 V
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Analog Output
      2. 7.3.2  Reference Inputs
      3. 7.3.3  Output Range
      4. 7.3.4  Input Data Format
      5. 7.3.5  Hardware Reset
      6. 7.3.6  Power-On Reset
      7. 7.3.7  Program Reset Value
      8. 7.3.8  Power Down
      9. 7.3.9  Double-Buffered Interface
      10. 7.3.10 Load DAC Pin (LDAC)
        1. 7.3.10.1 Synchronous Mode
        2. 7.3.10.2 Asynchronous Mode
      11. 7.3.11 1.8 V to 5.5 V Logic Interface
    4. 7.4 Device Functional Modes
      1. 7.4.1 Serial Interface
        1. 7.4.1.1 Input Shift Register
          1. 7.4.1.1.1 Stand-Alone Mode
          2. 7.4.1.1.2 Daisy-Chain Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Bipolar Operation Using The DAC8881
    2. 8.2 Typical Application
      1. 8.2.1 DAC8881 Sample Hold Circuit
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
    3. 8.3 System Example
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary

Package Options

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

6.7 Timing Characteristics for Figure 2 and Figure 3(1)(2)(3)

At –40°C to +105°C, unless otherwise noted.
PARAMETERCONDITIONSMINMAXUNIT
fSCLK Maximum clock frequency 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 20 MHz
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 25 MHz
t1 Minumum CS high time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 50 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 30 ns
t2 CS falling edge to SCLK rising edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 8 ns
t3 SCLK falling edge to CS falling edge setup time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
t4 SCLK low time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 25 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 20 ns
t5 SCLK high time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 25 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 20 ns
t6 SCLK cycle time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 50 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 40 ns
t7 SCLK rising edge to CS rising edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
t8 Input data setup time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 5 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 5 ns
t9 Input data hold time 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 5 ns
3.6 ≤ DVDD ≤ 5.5 , 2.7 ≤ IOVDD ≤ DVDD 5 ns
t10 SDO active from CS falling edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 15 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
t11 SDO data valid from SCLK falling edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 20 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 15 ns
t12 SDO data hold from SCLK rising edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 25 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 20 ns
t13 SDO High-Z from CS rising edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 8 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 5 ns
t14 CS rising edge to LDAC falling edge 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 5 ns
t15 LDAC pulse width 2.7 ≤ DVDD < 3.6 V, 2.7 ≤ IOVDD ≤ DVDD 15 ns
3.6 ≤ DVDD ≤ 5.5 V, 2.7 ≤ IOVDD ≤ DVDD 10 ns
(1) All input signals are specified with tR = tF = 2ns (10% to 90% of IOVDD) and timed from a voltage level of IOVDD/2.
(2) Specified by design. Not production tested.
(3) Sample tested during the initial release and after any redesign or process changes that may affect these parameters.
DAC8881 tim_stand_wo-sdo_bas422.gifFigure 1. Timing Diagram of Standalone Operation Without SDO
DAC8881 tim_stand_w-sdo_bas422.gifFigure 2. Timing Diagram of Standalone Operation With SDO
DAC8881 tim_daisychain_bas422.gifFigure 3. Timing Diagram of Daisy Chain Mode, Two Cascaded Devices