AMC1106M05 Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and CMOS Interface | TI.com

AMC1106M05 (ACTIVE)

Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and CMOS Interface

Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and CMOS Interface - AMC1106M05
 

Description

The AMC1106 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference.

The input stage of the AMC1106 is optimized for direct connection to shunt resistors or other low voltage-level signal sources commonly used in multi-phase electricity meters to achieve excellent ac and dc performance. The device low input voltage range of ±50-mV allows use of small shunt resistor values to minimize power dissipation. Decimate the output bitstream of the AMC1106 with an appropriate digital filter. The MSP430F67x, TMS320F2807x, and TMS320F2837x microcontrollers, and the AMC1210 integrate these digital filters for seamless operation with the AMC1106.

On the high-side, the modulator is supplied by a
3.3-V or 5-V power supply (AVDD). The isolated digital interface operates from a 3.0-V, 3.3-V, or 5-V power supply (DVDD).

The AMC1106 is specified over the extended industrial temperature range of –40°C to +125°C.

Features

  • ±50-mV Input Voltage Range Optimized for Current Measurement With Shunt Resistors
  • Manchester Coded or Uncoded Bitstream Options
  • Excellent DC Performance for High-Precision Sensing on System Level:
    • Offset Error and Drift: ±50 µV, ±1 µV/°C (max)
    • Gain Error and Drift: ±0.2%, ±40 ppm/°C (max)
  • 3.3-V Operation for Reduced Power Dissipation on Both Sides of the Isolation Barrier
  • System-Level Diagnostic Features
  • High Electromagnetic Field Immunity
    (see the ISO72x Digital Isolator Magnetic-Field Immunity Application Report)
  • Safety-Related Certifications:
    • 5657-VPK Basic Isolation per DIN V VDE V 0884-11 (VDE V 0884-11): 2017-01
    • 4000-VRMS Isolation for 1 Minute per UL1577
    • CAN/CSA No. 5A-Component Acceptance Service Notice,
      IEC 60950-1, and IEC 60065 End Equipment Standards

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Parametrics Compare all products in Isolated ADCs

 
Resolution (Bits)
Number of input channels
Input Range (Vp-p)
Interface
Isolation (kV peak)
CMTI (Min) (kV/µs)
INL (Max) (+/-LSB)
SNR (dB)
THD (Max) (dB)
Power Consumption (Typ) (mW)
Architecture
Analog Voltage AVDD (Min) (V)
Analog Voltage AVDD (Max) (V)
Digital Supply (Min) (V)
Digital Supply (Max) (V)
Rating
Operating Temperature Range (C)
AMC1106M05 AMC1106E05 AMC1303E0520 AMC1303M0520 AMC1306E05 AMC1306M05
16     16            
1     1     1     1     1     1    
50mV     50mV     50mV     50mV     50mV     50mV    
Serial CMOS     Serial CMOS     Serial CMOS     Serial CMOS     Serial CMOS     Serial CMOS    
5.657     5.657     7     7     7     7    
15     15     50     50     50     50    
4     4     4     4     4     4    
82.5     82.5     84.5     84.5     82     82    
-83     -83     -86     -86     -85     -85    
45     45     34.3     36     45     42.4    
Delta-Sigma     Delta-Sigma     Delta-Sigma     Delta-Sigma     Delta-Sigma     Delta-Sigma    
3     3     3     3     3     3    
5.5     5.5     5.5     5.5     5.5     5.5    
2.7     2.7     2.7     2.7     2.7     2.7    
5.5     5.5     5.5     5.5     5.5     5.5    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    

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