MAX6325 Maxim, MAX6325 Datasheet
MAX6325
Manufacturer Part Number
MAX6325
Description
1ppm/C / Low-Noise / +2.5V/+4.096V/+5V Voltage References
Manufacturer
Maxim
Datasheet
1.MAX6325.pdf
(12 pages)
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The MAX6325/MAX6341/MAX6350 are low-noise, preci-
sion voltage references with extremely low, 0.5ppm/°C
typical temperature coefficients and excellent, ±0.02%
initial accuracy. These devices feature buried-zener
technology for lowest noise performance. Load-regula-
tion 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 2.500V output, the MAX6341
is set for a 4.096V output, and the MAX6350 is set for a
5.000V output. All three provide for the option of exter-
nal trimming and noise reduction.
________________________Applications
19-1203; Rev 0; 4/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
__________Typical Operating Circuit
_______________General Description
*OPTIONAL
2.2 F
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
*
NR
________________________________________________________________ Maxim Integrated Products
8V TO 36V INPUT
1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V
MAX6325
MAX6341
MAX6350
GND
IN
TRIM
OUT
2.2 F
REFERENCE OUT
*
Ordering Information continued at end of data sheet.
____________________________Features
MAX6325CPA
MAX6325CSA
MAX6325EPA
MAX6325ESA
MAX6325MJA
______________Ordering Information
__________________Pin Configuration
Ultra-Low, 1ppm/°C Max Tempco
Very Low, 1.5µVp-p Noise (0.1Hz to 10Hz)
(MAX6325)
±0.02% Initial Accuracy (MAX6350)
±15mA Output Source and Sink Current
Low, 18mW Power Consumption (MAX6325)
Industry-Standard Pinout
Optional Noise Reduction and Voltage Trim
Excellent Transient Response
8-Pin SO Package Available
Low, 30ppm/1000h Long-Term Stability
Stable for All Capacitive Loads
I.C. = INTERNALLY CONNECTED; DO NOT USE
TOP VIEW
PART
Voltage References
GND
I.C.
NR
IN
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
1
2
3
4
MAX6325
MAX6341
MAX6350
DIP/SO
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
8 CERDIP
PACKAGE
8
7
6
5
PIN-
I.C.
I.C.
OUT
TRIM
TEMPCO
(ppm/
MAX
1.0
1.0
1.5
1.5
2.5
°
C)
1
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