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Part: MAX6350C
Category:
Analog & Mixed-Signal Processing
-> Power
Description: 1ppm/ C, Low-Noise, +2.5V/+4.096V/+5V Voltage References
Company: Maxim Integrated Products
Datasheet: Download MAX6350C datasheet File size : 383 kB
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Datasheet text preview:
19-1203; Rev 1; 1/01
1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References
General Description
The MAX6325/MAX6341/MAX6350 are low-noise, precision voltage references with extremely low, 0.5ppm/°C typical temperature coefficients and excellent, ±0.02% i n i t i a l accuracy. These devices feature buried-zener technology for lowest noise performance. Load-regulation specifications are guaranteed for source and sink currents up to 15mA. Excellent line and load regulation and low output impedance at high frequencies make them ideal for high-resolution data-conversion systems up to 16 bits. The MAX6325 is set for a 2.5V output, the MAX6341 is set for a 4.096V output, and the MAX6350 is set for a 5V output. All three provide for the option of external trimming and noise reduction.
____________________________Features
o Ultra Low, 1ppm/°C Max Tempco o Very Low, 1.5µVp-p Noise (0.1Hz to 10Hz) (MAX6325) o ±0.02% Initial Accuracy (MAX6350) o ±15mA Output Source and Sink Current o Low, 18mW Power Consumption (MAX6325) o Industry-Standard Pinout o Optional Noise Reduction and Voltage Trim o Excellent Transient Response o 8-Pin SO Package Available o Low, 30ppm/1000hr Long-Term Stability o Stable for All Capacitive Loads
MAX6325/MAX6341/MAX6350
________________________Applications
High-Resolution Analog-to-Digital and Digital-to-Analog Converters High-Accuracy Reference Standard High-Accuracy Industrial and Process Control Digital Voltmeters ATE Equipment Precision Current Sources
MAX6325CPA MAX6325CSA MAX6325EPA MAX6325ESA MAX6325MJA PART
Ordering Information
TEMP. RANGE 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -55°C to +125°C PINPACKAGE 8 Plastic DIP 8 SO 8 Plastic DIP 8 SO 8 CERDIP MAX TEMPCO (ppm/°C) 1.0 1.0 1.5 1.5 2.5
Ordering Information continued at end of data sheet.
Typical Operating Circuit
8V TO 36V INPUT
Pin Configuration
TOP VIEW
IN OUT 2.2µF *
REFERENCE OUT
I.C. 1 IN 2 NR 3
8
I.C. I.C. OUT TRIM
NR
MAX6325 MAX6341 MAX6350
GND
TRIM 2.2µF * GND 4
MAX6325 MAX6341 MAX6350
7 6 5
DIP/SO
*OPTIONAL
I.C. = INTERNALLY CONNECTED; DO NOT USE
________________________________________________________________ Maxim Integrated Products
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For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References MAX6325/MAX6341/MAX6350
ABSOLUTE MAXIMUM RATINGS
(Voltages Referenced to GND) IN ........-0.3V to 40V OUT, TRIM.........-0.3V to 12V NR .........-0.3V to 6V OUT Short-Circuit to GND Duration (VIN 12V)..........Continuous OUT Short-Circuit to GND Duration (VIN 40V) ......5s OUT Short-Circuit to IN Duration (VIN 12V) .....Continuous Continuous Power Dissipation (TA = +70°C) 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ......727mW 8-Pin SO (derate 5.88mW/°C above +70°C) ..........471mW 8-Pin CERDIP (derate 8.00mW/°C above +70°C)..640mW Operating Temperature Ranges MAX63_ _ C_ A.......0°C to +70°C MAX63_ _ E_ A....-40°C to +85°C MAX63_ _ MJA ........-55°C to +125°C Storage Temperature Range ......-65°C to +150°C Lead Temperature (soldering, 10s)..+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--MAX6325
(VIN = +10V, IOUT = 0mA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER Input Voltage Range Output Voltage Output Voltage Temperature Coefficient (Note 1) SYMBOL VIN VOUT TC VOUT MAX6325 MAX6325C_A MAX6325E_A MAX6325MJA CONDITIONS TA C, E, M +25°C C E M +25°C 8V VIN 10V Line Regulation (Note 2) VOUT/ VIN 10V VIN 36V C E M +25°C C E M C Sourcing: 0mA IOUT 15mA Load Regulation (Note 2) VOUT/ IOUT Sinking: -15mA IOUT 0mA E M C E M Supply Current Trim-Adjustment Range Turn-On Settling Time Output Noise Voltage (Note 3) Temperature Hysteresis Long-Term Stability VOUT/t IIN VOUT tON en (Figure 1) To ±0.01% of final value 0.1Hz f 10Hz 10Hz f 1kHz (Note 4) +25°C C, E, M C, E, M +25°C +25°C +25°C +25°C +25°C ±15 ±25 5 1.5 1.3 20 30 2.8 1 1 3 1 1 10 1.8 2 MIN 8 2.499 2.500 0.5 0.75 1.0 10 TYP MAX 36 2.501 1.0 1.5 2.5 18 30 35 45 5 7 8 10 6 7 15 6 7 30 2.7 3.0 mA mV µs µVp-p µVRMS ppm ppm/ 1000hr ppm/mA ppm/V ppm/°C UNITS V V
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1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References MAX6325/MAX6341/MAX6350
ELECTRICAL CHARACTERISTICS--MAX6341
(VIN = +10V, IOUT = 0mA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER Input Voltage Range Output Voltage Output Voltage Temperature Coefficient (Note 1) SYMBOL VIN VOUT TC VOUT MAX6341 MAX6341C_A MAX6341E_A MAX6341MJA CONDITIONS TA C, E, M +25°C C E M +25°C 8V VIN 10V Line Regulation (Note 2) VOUT/ VIN 10V VIN 36V C E M +25°C C E M C Sourcing: 0mA IOUT 15mA Load Regulation (Note 2) VOUT/ IOUT Sinking: -15mA IOUT 0mA E M C E M Supply Current Trim-Adjustment Range Turn-On Settling Time Output Noise Voltage (Note 3) Temperature Hysteresis Long-Term Stability VOUT/t IIN VOUT tON en (Figure 1) To ±0.01% of final value 0.1Hz f 10Hz 10Hz f 1kHz (Note 4) +25°C C, E, M C, E, M +25°C +25°C +25°C +25°C +25°C ±24 ±40 8 2.4 2.0 20 30 4.0 1 1 3 1 1 7 1.9 2 MIN 8 4.095 4.096 0.5 0.75 1.0 10 TYP MAX 36 4.097 1.0 1.5 2.5 18 30 35 45 5 7 8 10 6 7 9 6 7 18 2.9 3.2 mA mV µs µVp-p µVRMS ppm ppm/ 1000hr ppm/mA ppm/V ppm/°C UNITS V V
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