PDF《XRD5408/10/12》

XRD5408/10/12 5V, Low Power, Voltage Output Serial 8/10/12-Bit DAC Family Rev.

1.20 EXAR Corporation,

48720 Kato Road, Fremont, CA

94538 z (510) 668-7000 z (510) 668-7017 E2000 May 2000-2 FEATURES D 8/10/12-Bit Resolution D Operates from a Single 5V Supply D Buffered Voltage Output: 13ms Typical Settling Time D 240mW Total Power Consumption (typ) D Guaranteed Monotonic Over Temperature D Flexible Output Range: 0V to VDD D

8 Lead SOIC and PDIP Package D Power On Reset D Serial Data Output for Daisy Chaining APPLICATIONS D Digital Calibration D Battery Operated Instruments D Remote Industrial Devices D Cellular Telephones D Motion Control GENERAL DESCRIPTION The XRD5408/10/12 are low power, voltage output digital-to-analog converters (DAC) for +3V power supply operation. The parts draw only 70mA of quiescent current and are available in both an 8-lead PDIP and SOIC package. The XRD5408/10/12 have a

3 wire serial port with an output allowing the user to daisy chain several of them together. The serial port will support both Microwiret, SPIt, and QSPIt standards. The outputs of the XRD5408/10/12 are set at a gain of +2. The output short circuit current is 7mA typical. ORDERING INFORMATION Part No. Package Operating Temperature Range XRD5408AID

8 Lead

150 Mil JEDEC SOIC -40°C to +85°C XRD5408AIP

8 Lead

300 Mil PDIP -40°C to +85°C XRD5410AID

8 Lead

150 Mil JEDEC SOIC -40°C to +85°C XRD5410AIP

8 Lead

300 Mil PDIP -40°C to +85°C XRD5412AID

8 Lead

150 Mil JEDEC SOIC -40°C to +85°C XRD5412AIP

8 Lead

300 Mil PDIP -40°C to +85°C XRD5408/10/12

2 Rev. 1.20 BLOCK DIAGRAM Figure 1. Block Diagram Shift Register - + VREFIN VDD CS SCLK SDIN Power On Reset Switch Matrix AGND VDD DOUT VOUT R R 2n PIN CONFIGURATION VDD VOUT VREFIN AGND SDIN SCLK CS DOUT

8 Lead SOIC (Jedec, 0.150 )

8 1

5 4

2 3

7 6

8 Lead PDIP (0.300 ) VDD VOUT VREFIN AGND SDIN SCLK CS DOUT

1 2

3 4

8 7

6 5 PIN DESCRIPTION Pin # Symbol Description

1 SDIN Serial Data Input

2 SCLK Serial Data Clock

3 CS Chip Select (Active High)

4 DOUT Serial Data Output

5 AGND Analog Ground

6 VREFIN Voltage Reference Input

7 VOUT DAC Output

8 VDD Supply Voltage XRD5408/10/12

3 Rev. 1.20 ELECTRICAL CHARACTERISTICS Test Conditions: VDD= 5V, GND= 0V, REFIN= 2.048V (External), RL= 10kW, CL= 100pF, TA= TMIN to TMAX, Unless Otherwise Noted. Symbol Parameter Min. Typ. Max. Unit Conditions Static Performance XRD5408 N Resolution

8 Bits INL Relative Accuracy 0.25 0.5 LSB DNL Differential Nonlinearity 0.25 0.5 ±LSB Guaranteed Monotonic VOS Offset Error

0 3

8 mV TCVOS Offset Tempco

2 ppm/°C PSRR Offset-Error Power-Supply Rejection Ratio 0.5

1 mV 4.5V ± VDD ± 5.5V GE Gain Error 0.1 0.4 %FS TCGE Gain-Error Tempco

10 ppm/°C PSRR Power-Supply Rejection Ratio 0.1 1.25 mV 4.5V ± VDD ± 5.5V, Measured at FS Static Performance XRD5410 N Resolution

10 Bits INL Relative Accuracy 0.5

1 LSB DNL Differential Nonlinearity 0.25 0.5 ±LSB Guaranteed Monotonic VOS Offset Error

0 3

8 mV TCVOS Offset Tempco

2 ppm/°C PSRR Offset-Error Power-Supply Rejection Ratio 0.5

1 mV 4.5V ± VDD ± 5.5V GE Gain Error 0.1 0.4 %FS TCGE Gain-Error Tempco

10 ppm/°C PSRR Power-Supply Rejection Ratio 0.1 1.25 mV 4.5V ± VDD ± 5.5V, Measured at FS Static Performance XRD5412 N Resolution

12 Bits INL Relative Accuracy

2 4 LSB DNL Differential Nonlinearity 0.5 -1 LSB Guaranteed Monotonic +1.25 LSB VOS Offset Error

0 3

8 mV TCVOS Offset Tempco

2 ppm/°C PSRR Offset-Error Power-Supply Rejection Ratio 0.5