Document
August 2000
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HI20203
8-Bit, 160 MSPS, High-Speed D/A Converter
Features
• Throughput Rate . . . . . . . . . . . . . . . . . . . . . . . . 160MHz • 8-Bit (HI20203) Resolution • Differential Linearity Error . . . . . . . . . . . . . . . . 0.5 LSB • Low Glitch Noise • Analog Multiplying Function • Low Power Consumption . . . . . . . . . . . . . . . . . . 420mW • Evaluation Board Available • Direct Replacement for the Sony CX20201-3, CX20202-3
Description
The HI20203 is an 8-bit, 160MHz ultra high speed D/A converter. The converter is based on an R2R switched current source architecture that includes an input data register with a complement feature and is Emitter Coupled Logic (ECL) compatible. The HI20203 is an 8-bit accurate D/A with a linearity error of 0.5 LSB. For 10-bit resolution, please refer to the HI20201 data sheet.
Part Number Information
PART NUMBER HI20203JCB TEMP. RANGE ( oC) -20 to 75 PACKAGE 28 Ld SOIC PKG. NO. M28.3A-S
Applications
• Wireless Communications • Signal Reconstruction • Direct Digital Synthesis • High Definition Video Systems • Digital Measurement Systems
www.DataSheet4U.com
• Radar
Pinout
HI20203 (PDIP, SOIC) TOP VIEW
(MSB) D7 1 D6 2 D5 3 D4 4 D3 5 D2 6 D1 7 D0 8 NC 9 NC 10 NC 11 NC 12 CLK 13 CLK 14 28 AVSS 27 VREF 26 AVEE 25 NC 24 NC 23 NC 22 NC 21 NC 20 IOUT 19 NC 18 AVSS 17 DVSS 16 COMPL 15 DVEE
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved
File Number
4096.2
1
HI20203 Typical Application Circuit
HI20203 (28) AVSS 1.5kΩ (27) VREF 2kΩ (26) AVEE 0.047 µF 1kΩ
D7 D6 D5 D4 DIGITAL DATA (ECL) D3 D2 D1 D0
D7 (MSB) (1) D6 (2) D5 (3) D4 (4) D3 (5) D2 (6) D1 (7) D0 (8) (9) (10) (11) (12)
.
~2.7V
TL431CP -5.2V 1.0 µF
75 Ω COAX CABLE (20) I OUT (18, 19, 21-25) NC D/A OUT
82Ω CLK -1.3V 131 Ω -5.2V
82Ω CLK (13) CLK (14) (17) DVSS (16) COMPL (15) DVEE 1.0µF 0.047µF -5.2V
131Ω
3.6k Ω
Functional Block Diagram
(LSB) D0 D1 D2 D3 D4 D5 D6 (MSB) D7 UPPER 4-BIT ENCODER 15 INPUT BUFFER
4 LSBs CURRENT CELLS R2R NETWORK 8-BIT REGISTER
15 SWITCHED CURRENT CELLS
I OUT
COMPL CLK CLK CLOCK BUFFER BIAS CURRENT GENERATOR VREF
AVEE
AVSS
DVEE
DVSS
2
HI20203
Absolute Maximum Ratings TA = 25oC
Digital Supply Voltage DVEE to DVSS . . . . . . . . . . . . . . . . . . . -7.0V Analog Supply Voltage AV DD to AV SS . . . . . . . . . . . . . . . . . . -7.0V Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 to DVEE V Reference Input Voltage. . . . . . . . . . . . . . . . . . . . . . +0.3 to AVEE V Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Thermal Information
Thermal Resistance (Typical, Note 5) θJA ( oC/W) SOIC Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . . . 150oC Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC Maximum Lead Temperature (Soldering 10s). . . . . . . . . . . . . 300oC (SOIC - Lead Tips Only) Reference Input Voltage, VREE . . . . . . . VEE + 0.5V to VEE + 1.4V Load Resistance, R L . . . . . . . . . . . . . . . . . . . . . . . . . . . . Above 75Ω Output Voltage, VO(FS) . . . . . . . . . . . . . . . . . . . . . . . . . 0.8V to 1.2V Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -20oC to 75oC
Operating Conditions
Supply Voltage AVEE , DVEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4.75V to -5.45V AVEE - DVEE . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.05V to +0.05V Digital Input Voltage VIH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.0V to -0.7V VIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.9V to -1.6V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE: 1. θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
AV EE = -5.2V, DVEE = -5.2V, AGND = 0V, DGND = 0V, RL = ∞, VOUT = -1V, TA = 25oC HI20203JCB/JCP
PARAMETER SYSTEM PERFORMANCE Resolution Integral Linearity Error, INL Differential Linearity Error, DNL Offset Error, VOS (Adjustable to Zero) Full Scale Error, FSE (Adjustable to Zero) Full Scale Output Current, IFS DYNAMIC CHARACTERISTICS Throughput Rate Glitch Energy, GE REFERENCE INPUT Voltage Reference Input Range.