Small Reinforced Isolated Modulator With ±250mV Input, Internal Clock, and CMOS Interface - AMC1303M2510

AMC1303M2510 (ACTIVE)

Small Reinforced Isolated Modulator With ±250mV Input, Internal Clock, and CMOS Interface

 

Description

The AMC1303 (AMC1303x0510, AMC1303x0520, AMC1303x2510, and AMC1303x2520) is a family of precision, delta-sigma (ΔΣ) modulators with the output separated from the input circuitry by a capacitive double isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000 VPK according to the DIN V VDE V 0884-11 and UL1577 standards. Used in conjunction with isolated power supplies, this isolated modulator separates parts of the system that operate on different common-mode voltage levels and protects lower-voltage parts from damage.

The input of the AMC1303 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The ±50-mV input voltage range option allows significant reduction of the power dissipation through the shunt. The output bit-stream of the AMC1303 is synchronized to the internally generated clock and is Manchester coded (AMC1303Ex) or uncoded (AMC1303Mx). By using an integrated digital filter (such as those in the TMS320F2807x or TMS320F2837x microcontroller families) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at an effective output data rate of 78 kSPS.

The bitstream output of the Manchester coded AMC1303Ex versions supports single-wire data and clock transfer without having to consider the setup and hold time requirements of the receiving device.

Features

  • Pin-Compatible Family Optimized for Shunt-Resistor-Based Current Measurements:
    • ±50-mV or ±250-mV Input Voltage Ranges
    • Manchester Coded or Uncoded Bistream Options
    • 10-MHz and 20-MHz Clock Options
  • Excellent DC Performance:
    • Offset Error: ±50 µV or ±100 µV (max)
    • Offset Drift: ±1 µV/°C (max)
    • Gain Error: ±0.2% (max)
    • Gain Drift: ±40 ppm/°C (max)
  • Transient Immunity: 100 kV/µs (typ)
  • System-Level Diagnostic Features
  • Safety-Related Certifications:
    • 7000-VPK Reinforced Isolation per DIN V VDE V 0884-11 (VDE V 0884-11): 2017-01
    • 5000-VRMS Isolation for 1 Minute per UL1577
    • CAN/CSA No. 5A-Component Acceptance Service Notice, IEC 60950-1, and IEC 60065 End Equipment Standards
  • Fully Specified Over the Extended Industrial Temperature Range: –40°C to +125°C

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Parametrics Compare all products in Isolated ADCs

 
Sample Rate (max) (SPS)
# 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)
Pin/Package
AMC1303M2510 AMC1303E0510 AMC1303E0520 AMC1303E2510 AMC1303E2520 AMC1303M0510 AMC1303M0520 AMC1303M2520
10MSPS    10MSPS    20MSPS    10MSPS    20MSPS    10MSPS    20MSPS    20MSPS   
1    1    1    1    1    1    1    1   
250 mV    50 mV    50 mV    250 mV    250 mV    50 mV    50 mV    250 mV   
Serial CMOS    Serial CMOS    Serial CMOS    Serial CMOS    Serial CMOS    Serial CMOS    Serial CMOS    Serial CMOS   
7    7    7    7    7    7    7    7   
50    50    50    50    50    50    50    50   
4    4    4    4    4    4    4    4   
85    85    84.5    85    84.5    85    84.5    84.5   
-86    -86    -86    -86    -86    -86    -86    -86   
29.4    28.7    34.3    28.7    34.3    29.4    36    36   
Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma   
3    3    3    3    3    3    3    3   
5.5    5.5    5.5    5.5    5.5    5.5    5.5    5.5   
2.7    2.7    2.7    2.7    2.7    2.7    2.7    2.7   
5.5    5.5    5.5    5.5    5.5    5.5    5.5    5.5   
Catalog    Catalog    Catalog    Catalog    Catalog    Catalog    Catalog    Catalog   
-40 to 125    -40 to 125    -40 to 125    -40 to 125    -40 to 125    -40 to 125    -40 to 125    -40 to 125   
8SOIC    8SOIC    8SOIC    8SOIC    8SOIC    8SOIC    8SOIC    8SOIC   

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