SLASEL1D
June 2017 – August 2018
DAC60508
,
DAC70508
,
DAC80508
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Block Diagram
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Digital-to-Analog Converter (DAC) Architecture
8.3.1.1
DAC Transfer Function
8.3.1.2
Output Amplifiers
8.3.1.3
DAC Register Structure
8.3.1.3.1
DAC Register Synchronous and Asynchronous Updates
8.3.1.3.2
Broadcast DAC Register
8.3.1.3.3
CLEAR Operation (DACx0508C only)
8.3.2
Internal Reference
8.3.2.1
Reference Divider
8.3.2.2
Solder Heat Reflow
8.3.3
Device Reset Options
8.3.3.1
Power-on-Reset (POR)
8.3.3.2
Software Reset
8.4
Device Functional Modes
8.4.1
Stand-Alone Operation
8.4.2
Daisy-Chain Operation
8.4.3
Frame Error Checking
8.4.4
Power-Down Mode
8.5
Programming
8.6
Register Map
8.6.1
NOP Register (address = 0x00) [reset = 0x0000]
Table 9.
NOP Register Field Descriptions
8.6.2
DEVICE ID Register (address = 0x01) [reset = 0x---]
Table 10.
DEVICE ID Field Descriptions
8.6.3
SYNC Register (address = 0x2) [reset = 0xFF00]
Table 11.
SYNC Register Field Descriptions
8.6.4
CONFIG Register (address = 0x3) [reset = 0x0000]
Table 12.
CONFIG Register Field Descriptions
8.6.5
GAIN Register (address = 0x04) [reset = 0x---]
Table 13.
GAIN Register Field Descriptions
8.6.6
TRIGGER Register (address = 0x05) [reset = 0x0000]
Table 14.
TRIGGER Register Field Descriptions
8.6.7
BRDCAST Register (address = 0x6) [reset = 0x0000]
Table 15.
BRDCAST Register Field Descriptions
8.6.8
STATUS Register (address = 0x7) [reset = 0x0000]
Table 16.
STATUS Register Field Descriptions
8.6.9
DACx Register (address = 0x8 to 0xF) [reset = 0x0000 or 0x8000]
Table 17.
DACx Register Field Descriptions
9
Application and Implementation
9.1
Application Information
9.1.1
Interfacing to Microcontroller
9.1.2
Programmable Current Source Circuit
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Related Links
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
YZF|16
MXBG344
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND298F
Orderable Information
slasel1d_oa
slasel1d_pm
1
Features
Performance
INL: ±1 LSB Maximum at 16-Bit Resolution
TUE: ±0.1% of FSR Maximum
Integrated 2.5 V Precision Internal Reference
Initial Accuracy: ±5 mV Maximum
Low Drift: 2 ppm/°C Typical, DAC80508
High Drive Capability: 20 mA with 0.5 V from Supply Rails
Flexible Output Configuration
User Selectable Gain: 2, 1 or ½
Reset to Zero Scale or Midscale
Clear Output Function: DACx0508C
Wide Operating Range
Power Supply: 2.7 V to 5.5 V
Temperature Range: –40˚C to 125˚C
50 MHz SPI Compatible Serial Interface
1.7 V to 5.5 V Operation
Daisy Chain Operation
CRC Error Check
Low Power: 0.6 mA/Channel at 5.5 V
Small Packages:
3 mm × 3 mm, 16-Pin WQFN
2.4 mm x 2.4 mm, 16-Pin DSBGA