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MAX6225, MAX6241, MAX6250
Low-Noise, Precision, +2.5V/+4.096V/+5V Voltage References
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Status
Active: In Production.
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.
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Data Sheet
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Key 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
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Applications/Uses
- A/D Converters
- Automated Test Equipment (ATE)
- Digital Voltmeters
- High-Accuracy Industrial and Process Control
- High-Accuracy Reference Standard
- High-Resolution Analog-to-Digital
- Precision Current Sources
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Key Specifications:
| Voltage References |
| Part Number |
VOUT
(V) |
Temp. Coeff.
(ppm/°C) |
Initial Accuracy
(% max) |
Calibration Method |
ISUPPLY
(µA) |
VSUPPLY
(V) |
VSUPPLY
(V) |
Noise 0.1Hz to 10Hz
(µVpp) |
Oper. Temp.
(°C) |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max |
@ +25°C |
max |
min |
max |
typ |
max w/pins |
See Notes |
| MAX6225A |
2.5 |
2 |
0.04 |
Trim |
3000 |
8 |
36 |
2.8 |
| -55 to +125 | | -40 to +85 | | 0 to +70 |
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30.9 |
$4.65 @1k |
| MAX6225B |
2.5 |
5 |
0.12 |
3000 |
2.8 |
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30.9 |
$2.25 @1k |
| MAX6241A |
4.096 |
2 |
0.02 |
3200 |
2.4 |
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81.9 |
$4.65 @1k |
| MAX6241B |
4.096 |
5 |
0.1 |
3200 |
2.4 |
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81.9 |
$2.25 @1k |
| MAX6250A |
5 |
2 |
0.02 |
3300 |
3 |
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81.9 |
$4.65 @1k |
| MAX6250B |
5 |
5 |
0.1 |
3300 |
3 |
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81.9 |
$2.57 @1k |
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See All Voltage References (168)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
Typical Operating Circuit
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Information Index
Document Ref.: 19-1139
Rev 4;
2001-08-20
This page last modified: 2007-11-12
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