Datasheet MAX6325, MAX6341, MAX6350 (Analog Devices)

MAX6325/MAX6341/MAX6350 AVAILABLE
1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References General Description ____________________________Features
The MAX6325/MAX6341/MAX6350 are low-noise, preci- ♦
Ultra Low, 1ppm/°C Max Tempco
sion voltage references with extremely low, 0.5ppm/°C ♦ typical temperature coefficients and excellent, ±0.02%
Very Low, 1.5µVp-p Noise (0.1Hz to 10Hz)
initial accuracy. These devices feature buried-zener
(MAX6325)
technology for lowest noise performance. Load-regula- ♦
±0.02% Initial Accuracy (MAX6350)
tion specifications are guaranteed for source and sink currents up to 15mA. Excellent line and load regulation ♦
±15mA Output Source and Sink Current
and low output impedance at high frequencies make ♦
Low, 18mW Power Consumption (MAX6325)
them ideal for high-resolution data-conversion systems up to 16 bits. ♦
Industry-Standard Pinout
The MAX6325 is set for a 2.5V output, the MAX6341 is ♦
Optional Noise Reduction and Voltage Trim
set for a 4.096V output, and the MAX6350 is set for a ♦
Excellent Transient Response
5V output. All three provide for the option of external trimming and noise reduction. ♦
8-Pin SO Package Available
♦
Low, 30ppm/1000hr Long-Term Stability
♦
Stable for All Capacitive Loads
19-1203; Rev 1; 1/01
________________________Applications Ordering Information
High-Resolution Analog-to-Digital
MAX
and Digital-to-Analog Converters
PIN- PART TEMP. RANGE TEMPCO PACKAGE
High-Accuracy Reference Standard
(ppm/°C) MAX6325
CPA 0°C to +70°C 8 Plastic DIP 1.0 High-Accuracy Industrial and Process Control MAX6325CSA 0°C to +70°C 8 SO 1.0 Digital Voltmeters MAX6325EPA -40°C to +85°C 8 Plastic DIP 1.5 MAX6325ESA -40°C to +85°C 8 SO 1.5 ATE Equipment MAX6325MJA -55°C to +125°C 8 CERDIP 2.5
Functional Diagrams
Precision Current Sources
Ordering Information continued at end of data sheet. Typical Operating Circuit Pin Configuration Pin Configuration
8V TO 36V INPUT TOP VIEW IN I.C. 1 8 I.C. REFERENCE OUT OUT IN 2 7 I.C. MAX6325 MAX6325 MAX6341 * 2.2µF MAX6341 NR 3 6 OUT MAX6350 NR MAX6350 TRIM 2.2 * µF GND 4 5 TRIM GND
DIP/SO Pin Configurations appear at end of data sheet. Functional Diagrams continued at end of data sheet.
*OPTIONAL I.C. = INTERNALLY CONNECTED; DO NOT USE UCSP is a trademark of Maxim Integrated Products, Inc. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. 19-1203; Rev 1; 1/01
Pin Configuration