MAX6241ACSA Integrated Circuit Chip Low-Noise, Precision, +2.5V/+4.096V/+5V Voltage References
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Low-Noise, Precision, +2.5V/+4.096V/+5V Voltage References
General Description
The MAX6225/MAX6241/MAX6250 are low-noise, precision voltage references with extremely low 1ppm/°C temperature coefficients and excellent ±0.02% initial 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 frequency make them ideal for high-resolution data-conversion systems up to 16 bits.
The MAX6225 is set for 2.500V output, the MAX6241 is set for 4.096V output, and the MAX6250 is set for 5.000V output. All three provide for the option of external trimming and noise reduction.
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
Features
♦ Low 1.0ppm/°C Temperature Coefficient
♦ Very Low 1.5µVp-p Noise (0.1Hz to 10Hz)
♦ ±0.02% Initial Accuracy
♦ ±15mA Output Source and Sink Current
♦ Low, 18mW Power Consumption (MAX6225)
♦ Industry-Standard Pinout
♦ Optional Noise Reduction and Voltage Trim
♦ Excellent Transient Response
♦ 8-Pin SO Package Available
♦ Low 20ppm/1000h Long-Term Stability
♦ Stable for All Capacitive Loads
Ordering Information
| PART | TEMP. RANGE | PIN PACKAGE | MAX TEMPCO (ppm/°C) |
| MAX6225ACPA | 0°C to +70°C | 8 Plastic DIP | 2.0 |
| MAX6225BCPA | 0°C to +70°C | 8 Plastic DIP | 5.0 |
| MAX6225ACSA | 0°C to +70°C | 8 SO | 2.0 |
| MAX6225BCSA | 0°C to +70°C | 8 SO | 5.0 |
| MAX6225AEPA | -40°C to +85°C | 8 Plastic DIP | 3.0 |
| MAX6225BEPA | -40°C to +85°C | 8 Plastic DIP | 7.0 |
| MAX6225AESA | -40°C to +85°C | 8 SO | 3.0 |
| MAX6225BESA | -40°C to +85°C | 8 SO | 7.0 |
| MAX6225AMJA | -55°C to +125°C | 8 CERDIP | 5.0 |
| MAX6225BMJA | -55°C to +125°C | 8 CERDIP | 8.0 |
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) ....................5sec
OUT Short Circuit to IN Duration (VIN ≤ 12V) ..............Continuous
Continuous Power Dissipation (T A = +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C)................727mW
SO (derate 5.88mW/°C above +70°C) ............................471mW
CERDIP (derate 8.00mW/°C above +70°C) ....................640mW
Operating Temperature Ranges
MAX62_ _ _C_ A..................................................... 0°C to +70° C
MAX62_ _ _E_ A..................................................-40°C to +85 ° C
MAX62_ _ _MJA ................................................-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.
Typical Operating Circuit Pin Configuration
Package Information
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