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Part: MAX503-2
Category:
Data Conversion
-> DAC (Digital to Analog Converters)
Description: MAX503 5V, Low-Power, Parallel-Input, Voltage-Output, 10-Bit DAC
Company: Maxim Integrated Products
Datasheet: Download MAX503-2 datasheet File size : 371 kB
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Datasheet text preview:
19-0279; Rev 0; 8/94
5V, Low-Power, Parallel-Input, Voltage-Output, 10-Bit DAC
_______________General Description
The MAX503 is a low-power, 10-bit, voltage-output digitalto-analog converter (DAC) that uses single 5V or dual ±5V supplies. This device has an internal voltage reference plus an output buffer amplifier. Operating current is only 250µA from a single 5V supply, making it ideal for portable and battery-powered applications. In addition, the shrink smalloutline package (SSOP) measures only 0.1 square inches, using less board area than an 8-pin DIP. 10-bit resolution is achieved through laser trimming of the DAC, op amp, and reference. No further adjustments are necessary. Internal gain-setting resistors can be used to define a DAC output voltage range of 0V to +2.048V, 0V to +4.096V, or ±2.048V. Four-quadrant multiplication is possible without the use of external resistors or op amps. The parallel logic inputs are double buffered and are compatible with 4-bit, 8bit, and 16-bit microprocessors. For a hardware and software compatible 12-bit upgrade, refer to the MAX530 data sheet. For DACs with similar features but with a serial data interface, refer to the MAX504/MAX515 data sheet.
____________________________Features
o o o o o o o o o o Buffered Voltage Output Internal 2.048V Voltage Reference Operates from Single 5V or Dual ±5V Supplies Low Power Consumption: 250µA Operating Current 40µA Shutdown-Mode Current SSOP Package Saves Space Relative Accuracy: ±1/2 LSB Max Over Temperature Guaranteed Monotonic Over Temperature 4-Quadrant Multiplication with No External Components Power-On Reset Double-Buffered Parallel Logic Inputs
MAX503
______________Ordering Information
PART MAX503CNG MAX503CWG MAX503CAG MAX503ENG MAX503EWG MAX503EAG TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 24 Narrow Plastic DIP 24 Wide SO 24 SSOP 24 Narrow Plastic DIP 24 Wide SO 24 SSOP
________________________Applications
Battery-Powered Data-Conversion Products Minimum Component-Count Analog Systems Digital Offset/Gain Adjustment Industrial Process Control Arbitrary Function Generators Automatic Test Equipment Microprocessor-Controlled Calibration
Refer to the MAX530 for military temperature or die equivalents.
________________Functional Diagram
REFOUT 18 R 2.048V EFERENCE 17 REFGND 14 AGND POR ER-ON W ESET 15 CLR 8 A0 9 A1 11 CS WR 10 16 LDAC 20 DAC 23 VDD DGND VSS VOUT REFIN ROFS 13 22 21 RFB
__________________Pin Configuration
TOP VIEW
D7/S1 1 D8/D0 2 D9/D1 3 D2 4 D3 5 D4 6 D5 7 A0 8 24 D6/S0 23 VDD 22 ROFS 21 RFB
MAX503
20 VOUT 19 VSS 18 REFOUT 17 REFGND 16 LDAC 15 CLR 14 AGND 13 REFIN
MAX503
10DBIC DAC LATCH - A T LATCH
12 19
CONTROL L OGIC
I NBL LNPUT ATCH
INBM LNPUT ATCH
I NBH LNPUT ATCH
A1 9 WR 10 CS 11 DGND 12 DIP/SO/SSOP
24 1 2 3 4 5 6 7 D2 D4 D6/S0 D8/D0 D7/S1 D9/D1 D3 D5
________________________________________________________________ Maxim Integrated Products
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5V, Low-Power, Parallel-Input, Voltage-Output, 10-Bit DAC MAX503
ABSOLUTE MAXIMUM RATINGS
VDD to DGND and VDD to AGND ........-0.3V, +6V VSS to DGND and VSS to AGND .........-6V, +0.3V VDD to VSS ...... -0.3V, +12V AGND to DGND........-0.3V, +0.3V REFGND to AGND........-0.3V, (VDD + 0.3V) Digital Input Voltage to DGND ........... -0.3V, (VDD + 0.3V) REFIN ........(VSS - 0.3V), (VDD + 0.3V) REFOUT ....(VSS - 0.3V), (VDD + 0.3V) REFOUT to REFGND ... -0.3V, (VDD + 0.3V) RFB ....(VSS - 0.3V), (VDD + 0.3V) ROFS ........(VSS - 0.3V), (VDD + 0.3V) VOUT to AGND (Note 1) .... VSS, VDD Continuous Current, Any Input .......±20mA Continuous Power Dissipation (TA = +70°C) Narrow Plastic DIP (derate 13.33mW/°C above +70°C) ...1067mW Wide SO (derate 11.76mW/°C above +70°C)...... 941mW SSOP (derate 8.00mW/°C above +70°C) ....640mW Operating Temperature Ranges MAX503C_G .........0°C to +70°C MAX503E_G ......-40°C to +85°C Storage Temperature Range .....-65°C to +165°C Lead Temperature (soldering, 10sec) ... +300°C
Note 1: The output may be shorted to VDD, VSS, DGND, or AGND if the continuous package power dissipation and current ratings are not exceeded. Typical short-circuit currents are 20mA.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS--Single +5V Supply
(VDD = 5V, VSS = 0V, AGND = DGND = REFGND = 0V, REFIN = 2.048V (external), RFB = ROFS = VOUT, CREFOUT = 33µF, RL = 10k, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER STATIC PERFORMANCE Resolution Relative Accuracy Differential Nonlinearity Unipolar Offset Error Unipolar Offset Temperature Coefficient Unipolar Offset-Error Supply Rejection Gain Error (Note 2) Gain-Error Temperature Coefficient Gain-Error Power-Supply Rejection DAC VOLTAGE OUTPUT (VOUT) Output Voltage Range Resistive Load DC Output Impedance Short-Circuit Current REFERENCE INPUT (REFIN) Reference Input Range Reference Input Resistance Reference Input Capacitance AC Feedthrough Code dependent, minimum at code 0101... Code dependent (Note 3) (Note 4) 0 40 10 -80 50 VDD - 2 V k pF dB ISC VOUT = 2V, load regulation ±0.5LSB 0 2 0.2 12 VDD - 0.4 V k mA PSRR 4.5V VDD 5.5V N INL DNL VOS TCVOS PSRR GE 4.5V VDD 5.5V DAC latch = all 1s, VOUT < VDD - 0.4V (Note 2) 1 0.1 (Note 2) Guaranteed monotonic 0 0.25 3 0.1 ±1 10 ±0.5 ±1 3 Bits LSB LSB LSB ppm/°C LSB/V LSB ppm/°C LSB/V SYMBOL CONDITIONS MIN TYP MAX UNITS
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5V, Low-Power, Parallel-Input, Voltage-Output, 10-Bit DAC MAX503
ELECTRICAL CHARACTERISTICS--Single +5V Supply (continued)
(VDD = 5V, VSS = 0V, AGND = DGND = REFGND = 0V, REFIN = 2.048V (external), RFB = ROFS = VOUT, CREFOUT = 33µF, RL = 10k, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL TA = +25°C Reference Tolerance Reference Output Resistance Power-Supply Rejection Ratio Noise Voltage Temperature Coefficient Required External Capacitor DYNAMIC PERFORMANCE Voltage Output Slew Rate Voltage Output Settling Time Digital Feedthrough Signal-to-Noise Plus Distortion Ratio Logic High Input Logic Low Input Digital Leakage Current Digital Input Capacitance POWER SUPPLIES Positive Supply-Voltage Range Positive Supply Current SWITCHING CHARACTERISTICS Address to WR Setup Address to WR Hold CS to WR Setup CS to WR Hold Data to WR Setup Data to WR Hold WR Pulse Width LDAC Pulse Width CLR Pulse Width Internal Power-On Reset Pulse Width tAWS tAWH tCWS tCWH tDS tD H tWR tLDAC tCLR tPOR (Note 3) 5 5 0 0 45 0 45 45 45 1.3 10 ns ns ns ns ns ns ns ns ns µs VDD IDD Outputs unloaded, all digital inputs = 0V or VDD 4.5 250 5.5 400 V µA SINAD TA = +25°C To ±0.5LSB, VOUT = 2V WR = VDD, digital inputs all 1s to all 0s Unity gain (Note 4) Gain = 2 (Note 4) 2.4 0.8 VIN = 0V or VDD 8 ±1 0.15 0.25 25 5 68 68 V/µs µs nV-s dB CREFOUT 3.3 VREFOUT RREFOUT PSRR en MAX503C MAX503E (Note 5) 4.5V VDD 5.5V 0.1Hz to 10kHz 200 400 30 CONDITIONS MIN 2.024 2.015 2.011 TYP 2.048 MAX 2.072 2.081 2.085 2 µV/V µVp-p ppm/°C µF V UNITS
REFERENCE OUTPUT (REFOUT)
DIGITAL INPUTS (S0, S1, D0D9, LDAC, CLR, CS, WR, A0, A1) VIH VIL V V µA pF
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