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DS4432
Dual-Channel, I²C Adjustable Sink/Source Current DAC
Inexpensive Power-Supply Margining Made Easy
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Status
Active: In Production.
Description
The DS4432 contains two I²C programmable current DACs that are each capable of sinking and sourcing current up to 200µA. Each DAC output has 127 sink and 127 source settings that are programmed using the I²C interface. The current DAC outputs power up in a high-impedance state.
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Data Sheet
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Key Features
- Two Current DACs
- Full-Scale Current 50µA to 200µA
- Full-Scale Range for Each DAC Determined by External Resistors
- 127 Settings Each for Sink and Source Modes
- I²C-Compatible Serial Interface
- Low Cost
- Small Package (8-Pin µSOP)
- -40°C to +85°C Temperature Range
- 2.7V to 5.5V Operating Range
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Applications/Uses
- Adjustable Current Sink or Source
- Power-Supply Adjustment
- Power-Supply Margining
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Key Specifications:
| Precision DACs (4-12 Bits) |
| Part Number |
Resolution
(bits) |
Channels |
Output Type |
Reference |
INL
(±LSB) |
Interface |
Supply Range
(V) |
Supply Range
(V) |
Oper. Temp.
(°C) |
Budgetary Price |
| max |
min |
max |
See Notes |
| DS4432 |
7 |
2 |
Current- Buffered |
Ext. |
1 |
Serial - I2C |
2.7 |
5.5 |
-40 to +85 |
$0.54 @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
Typical Operating Circuit
Application Notes
Product Guides
Reliability Reports
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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| DS4432U+
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Active |
µMAX;8 pin;16.2 mm²
Outline Drawing:21-0036 (PDF)
Land Pattern: 90-0092 (PDF)
Use pkgcode/variation: U8+1*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| DS4432U+T&R
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Active |
µMAX;8 pin;16.2 mm²
Outline Drawing:21-0036 (PDF)
Land Pattern: 90-0092 (PDF)
Use pkgcode/variation: U8+1*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
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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Notes and Comments
The DS4432 is pin compatible with the DS4412 with a lower full-scale current and higher resolution for finer power supply margining and adjustment.
Similar Products by Function
| DS4402, DS4404 |
Two/Four-Channel, I²C Adjustable Current DAC |
| DS4412 |
Dual-Channel, I²C Adjustable Sink/Source Current DAC |
| DS4422, DS4424 |
Two-/Four-Channel, I²C, 7-Bit Sink/Source Current DAC |
| DS4426 |
Quad-Channel, I²C-Margining IDACs with Three Channels of Power-Supply Tracking |
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More Information
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Information Index
Rev 0;
2009-01-29
This page last modified: 2009-01-29
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