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Part: MAX5353A
Category:
Data Conversion
-> DAC (Digital to Analog Converters)
Description: Low-Power, 12-Bit Voltage-ouput DACs With Serial Interface
Company: Maxim Integrated Products
Datasheet: Download MAX5353A datasheet File size : 667 kB
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Datasheet text preview:
19-1196; Rev 0; 2/97
Low-Power, 12-Bit Voltage-Output DACs with Serial Interface
__________________General Description
The MAX5352/MAX5353 combine a low-power, voltageoutput, 12-bit digital-to-analog converter (DAC) and a precision output amplifier in an 8-pin µMAX or DIP package. The MAX5352 operates from a single +5V supply, and the MAX5353 operates from a single +3.3V supply. Both devices draw less than 280µA of supply current. The output amplifier's inverting input is available to the u s e r , allowing specific gain configurations, remote sensing, and high output current capability. This makes the MAX5352/MAX5353 ideal for a wide range of applications, including industrial process control. Other features include a software shutdown and power-on reset. The serial interface is compatible with SPITM/QSPITM and MicrowireTM. The DAC has a double-buffered input, organized as an input register followed by a DAC register. A 16-bit serial word loads data into the input register. The DAC register can be updated independently or simultaneously with the input register. All logic inputs a r e TTL/CMOS-logic compatible and buffered with S c h m i t t triggers to allow direct interfacing to optocouplers.
______________________________Features
o 12-Bit DAC with Configurable Output Amplifier o +5V Single-Supply Operation (MAX5352) +3.3V Single-Supply Operation (MAX5353) o Low Supply Current: 0.28mA Normal Operation 2µA Shutdown Mode o Available in 8-Pin µMAX o Power-On Reset Clears DAC Output to Zero o SPI/QSPI and Microwire Compatible o Schmitt-Trigger Digital Inputs for Direct Optocoupler Interface o +3.3V MAX5353 Directly Interfaces with +5V Logic
MAX5352/MAX5353
_________________Ordering Information
PART* MAX5352ACPA MAX5352BCPA MAX5352ACUA MAX5352BCUA TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C 0°C to +70°C PIN-PACKAGE 8 Plastic DIP 8 Plastic DIP 8 µMAX 8 µMAX INL (LSB) ±1/2 ±1 ±1/2 ±1
________________________Applications
Industrial Process Controls Automatic Test Equipment Digital Offset and Gain Adjustment Motion Control Remote Industrial Controls Microprocessor-Controlled Systems
Ordering Information continued at end of data sheet. *Contact factory for availability of 8-pin SO package.
____________________Functional Diagram
GND VDD REF FB OUT DAC
_______________________Pin Configuration
TOP VIEW
DAC REGISTER CONTROL INPUT REGISTER CS DIN SCLK
OUT 1 CS 2 DIN 3 SCLK 4
8
VDD GND REF FB
MAX5352 MAX5353
7 6 5
16-BIT SHIFT REGISTER
MAX5352 MAX5353
DIP/µMAX
SPI and QSPI are registered trademarks of Motorola, Inc. Microwire is a registered trademark of National Semiconductor Corp.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
Low-Power, 12-Bit Voltage-Output DACs with Serial Interface MAX5352/MAX5353
ABSOLUTE MAXIMUM RATINGS
VDD to GND ........-0.3V, +6V REF, OUT, FB to GND ........-0.3V to (VDD + 0.3V) Digital Inputs to GND .....-0.3V to +6V Continuous Current into Any Pin......±20mA Continuous Power Dissipation (TA = +70°C) Plastic DIP (derate 9.09mW/°C above +70°C) ........727mW µMAX (derate 4.10mW/°C above +70°C) ....330mW CERDIP (derate 8.00mW/°C above +70°C) ..........640mW Operating Temperature Ranges MAX5352_C_A/MAX5353_C_A .....0°C to +70°C MAX5352_E_A/MAX5353_E_A ..-40°C to +85°C MAX5352BMJA/MAX5353BMJA ............-55°C to +125°C Storage Temperature Range .....-65°C to +150°C Lead Temperature (soldering, 10sec) .....+300°C
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: MAX5352
(VDD = +5V ±10%, REF = 2.5V, GND = 0V, RL = 5k, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. Output buffer connected in unity-gain configuration (Figure 8).) PARAMETER Resolution Integral Nonlinearity (Note 1) Differential Nonlinearity Offset Error Offset-Error Tempco Gain Error (Note 1) Gain-Error Tempco Power-Supply Rejection Ratio REFERENCE INPUT Reference Input Range Reference Input Resistance Reference -3dB Bandwidth Reference Feedthrough Signal-to-Noise Plus Distortion Ratio DIGITAL INPUTS Input High Voltage Input Low Voltage Input Leakage Current Input Capacitance VIH VIL IIN CIN VIN = 0V or VDD 0.001 8 2.4 0.8 ±0.5 V V µA pF SINAD VREF RREF Code dependent, minimum at code 1554 hex VREF = 0.67Vp-p Input code = all 0s, VREF = 3.6Vp-p at 1kHz VREF = 1Vp-p at 25kHz, code = full scale 0 14 20 650 -84 77 VDD - 1.4 V k kHz dB dB PSRR 4.5V VDD 5.5V SYMBOL N MAX5352A INL DNL VOS TCVOS GE MAX5352B MAX5352BMJA Guaranteed monotonic ±0.3 6 -0.3 1 600 ±3 CONDITIONS MIN 12 ±0.5 ±1.0 ±2.0 ±1.0 ±8 LSB mV ppm/°C LSB ppm/°C µV/V LSB TYP MAX UNITS Bits STATIC PERFORMANCE--ANALOG SECTION
MULTIPLYING-MODE PERFORMANCE
2
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Low-Power, 12-Bit Voltage-Output DACs with Serial Interface
ELECTRICAL CHARACTERISTICS: MAX5352 (continued)
(VDD = +5V ±10%, REF = 2.5V, GND = 0V, RL = 5k, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. Output buffer connected in unity-gain configuration (Figure 8).) PARAMETER DIGITALC PERFORMANCE YNAMI INPUTS Voltage Output Slew Rate Output Settling Time Output Voltage Swing Current into FB Start-Up Time Digital Feedthrough POWER SUPPLIES Supply Voltage Supply Current Supply Current in Shutdown Reference Current in Shutdown TIMING CHARACTERISTICS (Figure 6) SCLK Clock Period SCLK Pulse Width High SCLK Pulse Width Low CS Fall to SCLK Rise Setup Time SCLK Rise to CS Rise Hold Time DIN Setup Time DIN Hold Time SCLK Rise to CS Fall Delay CS Rise to SCLK Rise Hold Time CS Pulse Width High tCP tCH tCL tCSS tCSH tDS tDH tCS0 tCS1 tCSW 100 40 40 40 0 40 0 40 40 100 ns ns ns ns ns ns ns ns ns ns VDD IDD (Note 3) (Note 3) 4.5 0.28 4 0.001 5.5 0.4 20 ±0.5 V mA µA µA CS = VDD, DIN = 100kHz SR To ±1/2LSB, VSTEP = 2.5V Rail-to-rail (Note 2) 0.6 14 0 to VDD 0.001 20 5 ±0.1 V/µs µs V µA µs nV-s SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX5352/MAX5353
Note 1: Guaranteed from code 11 to code 4095 in unity-gain configuration. Note 2: Accuracy is better than 1LSB for VOUT = 8mV to VDD - 100mV, guaranteed by a power-supply rejection test at the end points. Note 3: RL = , digital inputs at GND or VDD.
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