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MAX5547
Dual, 10-Bit, Current-Sink Output DAC
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Status
Active: In Production.
Description
The MAX5547 dual, 10-bit, dual range, digital-to-analog converter (DAC) sinks up to 3.6mA of current, making it ideal for laser-driver-control applications. Parallel the MAX5547 outputs to sink higher current (up to 7.2mA max). Operating from a single +2.7V to +5.25V supply, the MAX5547 typically consumes 1mA (internal reference).
The MAX5547 operates from a precision +2.5V internal 4ppm/°C reference or an external reference in the +2.45V to +2.55V range. The maximum full-scale current-sink range is software programmable to 3.6mA or 1.2mA for each DAC. A 10MHz SPI™-compatible serial interface configures the device.
The MAX5547 is available in a 3mm x 3mm x 0.8mm 8-pin TDFN package and is specified over the -40°C to +85°C extended temperature range.
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Data Sheet
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Key Features
- Dual Current-Sink DACs
- 10-Bit Resolution
- Two Software-Programmable Full-Scale Current Ranges: 3.6mA or 1.2mA
- Parallelable Outputs for Up to 7.2mA (max)
- +2.5V Internal Reference Drifts Only 4ppm/°C
- +2.7V to +5.25V Single-Supply Operation
- INL: ±1 LSB
- DNL: ±0.75 LSB (Guaranteed Monotonic)
- Low +0.8V Output Compliance
- Ultra-Small, 3mm x 3mm x 0.8mm, 8-Pin TDFN Package
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Applications/Uses
- Average Power
- Extinction Ratios
- Laser-Driver Control
- Modulation Currents
- PIN-Diode Bias Currents
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Key Specifications:
| Precision DACs (4-12 Bits) |
| Part Number |
Resolution
(bits) |
Channels |
Output Type |
Reference |
Interface |
Supply Range
(V) |
Supply Range
(V) |
Oper. Temp.
(°C) |
Budgetary Price |
| min |
max |
See Notes |
| MAX5547 |
10 |
2 |
Current- Unbuffered |
Int. |
Serial - SPI |
2.7 |
5.25 |
-40 to +85 |
$0.72 @1k |
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See All Precision DACs (4-12 Bits) (268)
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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
Functional Block Diagram
Application Notes
Product Guides
Reliability Reports
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Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX5547ETA+
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Active |
TDFN-EP;8 pin;9.6 mm²
Outline Drawing:21-0137 (PDF)
Land Pattern: 90-0059 (PDF)
Use pkgcode/variation: T833+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX5547ETA+T
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Active |
TDFN-EP;8 pin;9.6 mm²
Outline Drawing:21-0137 (PDF)
Land Pattern: 90-0059 (PDF)
Use pkgcode/variation: T833+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX5547ETA-T
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Active |
TDFN-EP;8 pin;9.6 mm²
Outline Drawing:21-0137 (PDF)
Land Pattern: 90-0059 (PDF)
Use pkgcode/variation: T833-2*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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More Information
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Information Index
Document Ref.: 19-3988
Rev 2;
2010-01-20
This page last modified: 2010-05-27
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