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MAX11205
16-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADC with 2-Wire Serial Interface
Pin-Compatible Version of 24-/20-/18-Bit Family
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Status
Active: In Production.
Description
The MAX11205 is an ultra-low-power (< 300µA max active current), high-resolution, serial output ADC. This device provides the highest resolution per unit power in the industry and is optimized for applications that require very high dynamic range with low power such as sensors on a 4mA to 20mA industrial control loop. The MAX11205 provides a high-accuracy internal oscillator that requires no external components.
When used with the specified data rates, the internal digital filter provides more than 80dB rejection of 50Hz or 60Hz line noise. The MAX11205 provides a simple 2-wire serial interface in the space-saving, 10-pin µMAX® package. The MAX11205 operates over the -40°C to +85°C temperature range.
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Data Sheet
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An evaluation kit is available: MAX11205PMB1 MAXPMBAE
Key Features
- 16-Bit Full-Scale Resolution
- 720nVRMS Noise (MAX11205B)
- 3ppm INL
- No Missing Codes
- Ultra-Low Power Dissipation
- Operating Mode Current Drain < 300µA (max)
- Sleep Mode Current Drain < 0.1µA
- 2.7V to 3.6V Analog Supply Voltage Range
- 1.7V to 3.6V Digital and I/O Supply Voltage Range
- Fully Differential Signal Inputs
- Fully Differential Reference Inputs
- Internal System Clock
- 2.4576MHz (MAX11205A)
- 2.2528MHz (MAX11205B)
- External Clock
- Serial 2-Wire Interface (Clock Input and Data Output)
- On-Demand Offset and Gain Self-Calibration
- -40°C to +85°C Operating Temperature Range
- ±2kV ESD Protection
- Lead(Pb)-Free and RoHS-Compliant µMAX Package
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Applications/Uses
- Battery Applications
- Portable Instrumentation
- Sensor Measurement (Temperature and Pressure)
- Weigh Scales
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Key Specifications:
| Precision ADCs (< 5Msps) |
| Part Number |
Resolution
(bits) |
Input Chan. |
Conv. Rate
(ksps) |
Data Bus
(bits) |
Diff/S.E. Input |
External VREF
(V) |
External VREF
(V) |
Unipolar VIN
(V) |
Bipolar VIN
(±V) |
DNL
(±LSB) |
INL
(±LSB) |
Package/Pins |
Budgetary Price |
| ADC |
max |
min |
max |
max |
max |
See Notes |
| MAX11205 |
16 |
1 |
0.12 |
SPI |
Both |
0 |
3.6 |
3.6 |
3.6 |
1 |
20 |
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$1.65 @1k |
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See All Precision ADCs (< 5Msps) (423)
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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 Diagram
Product Guides
Reliability Reports
| Show FIT data for: |
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| Request Reliability Report for: |
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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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| MAX11205AEUB+
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Active |
µMAX;10 pin;15.4 mm²
Outline Drawing:21-0061 (PDF)
Land Pattern: 90-0330 (PDF)
Use pkgcode/variation: U10+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX11205AEUB+T
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Active |
µMAX;10 pin;15.4 mm²
Outline Drawing:21-0061 (PDF)
Land Pattern: 90-0330 (PDF)
Use pkgcode/variation: U10+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX11205BEUB+
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Active |
µMAX;10 pin;15.4 mm²
Outline Drawing:21-0061 (PDF)
Land Pattern: 90-0330 (PDF)
Use pkgcode/variation: U10+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX11205BEUB+T
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Active |
µMAX;10 pin;15.4 mm²
Outline Drawing:21-0061 (PDF)
Land Pattern: 90-0330 (PDF)
Use pkgcode/variation: U10+2*
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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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Similar Products by Function
| MAX11200, MAX11210 |
24-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADCs with GPIO |
| MAX11201 |
24-Bit, Single-Channel, Ultra-Low-Power, Delta Sigma ADC with 2-Wire Serial Interface |
| MAX11202 |
24-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADC with 2-Wire Serial Interface |
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Evaluation Kits
| MAX11205PMB1 |
MAX11205PMB1 Peripheral Module |
| MAXPMBAE |
Maxim Analog Essentials Collection of Peripheral Modules |
Products with Similar Part Numbers
Didn't Find What You Need?
Information Index
Document Ref.: 19-5238
Rev 0;
2010-05-17
This page last modified: 2010-07-07
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