AMC1304L25

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具有 LDO 和 LVDS 接口的 ±250mV 输入、精密电流检测增强型隔离式调制器

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数据表

document-pdfAcrobat AMC1304x High-Precision, Reinforced Isolated Delta-Sigma Modulators with LDO 数据表 (Rev. F) (英语) PDF | HTML

AMC1304L25

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产品详情

Device type

Current sensing

Peak-to-peak input voltage range (V)

250mV

Interface type

LVDS

Sample rate (max) (Msps)

20

Rating

Catalog

CMTI (min) (kV/µs)

15

Number of input channels

1

Architecture

Delta-Sigma

SNR (dB)

85

Operating temperature range (°C)

-40 to 125

Power consumption (typ) (mW)

58.9

SFDR (dB)

-80

Isolation rating

Reinforced

Withstand isolation voltage (VISO) (Vrms)

5000

Working isolation voltage (VIOWM) (Vrms)

1500

Transient isolation voltage (VIOTM) (VPK)

7

Creepage (min) (mm)

8.5

Clearance (min) (mm)

8.5

Device type

Current sensing

Peak-to-peak input voltage range (V)

250mV

Interface type

LVDS

Sample rate (max) (Msps)

20

Rating

Catalog

CMTI (min) (kV/µs)

15

Number of input channels

1

Architecture

Delta-Sigma

SNR (dB)

85

Operating temperature range (°C)

-40 to 125

Power consumption (typ) (mW)

58.9

SFDR (dB)

-80

Isolation rating

Reinforced

Withstand isolation voltage (VISO) (Vrms)

5000

Working isolation voltage (VIOWM) (Vrms)

1500

Transient isolation voltage (VIOTM) (VPK)

7

Creepage (min) (mm)

8.5

Clearance (min) (mm)

8.5

SOIC (DW)

16

106.09 mm² (10.3 mm × 10.3 mm)

Pin-compatible family optimized for shunt-resistor-based current measurements:
- ±50-mV or ±250-mV input voltage ranges
- CMOS or LVDS digital interface options
Excellent DC performance supporting high-precision sensing on system level:
- Offset error: ±50 µV or ±100 µV (max)
- Offset drift: 1.3 µV/°C (max)
- Gain error: ±0.2% or ±0.3% (max)
- Gain drift: ±40 ppm/°C (max)
Safety-related certifications:
- 7000-V_PK reinforced isolation per
  DIN VDE V 0884-11: 2017-01
- 5000-V_RMS isolation for 1 minute per UL1577
- CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
Transient immunity: 15 kV/µs (min)
High electromagnetic field immunity
(see application note SLLA181A)
External 5-MHz to 20-MHz clock input for
easier system-level synchronization
On-chip 18-V LDO regulator
Fully specified over the extended industrial temperature range

Pin-compatible family optimized for shunt-resistor-based current measurements:
- ±50-mV or ±250-mV input voltage ranges
- CMOS or LVDS digital interface options
Excellent DC performance supporting high-precision sensing on system level:
- Offset error: ±50 µV or ±100 µV (max)
- Offset drift: 1.3 µV/°C (max)
- Gain error: ±0.2% or ±0.3% (max)
- Gain drift: ±40 ppm/°C (max)
Safety-related certifications:
- 7000-V_PK reinforced isolation per
  DIN VDE V 0884-11: 2017-01
- 5000-V_RMS isolation for 1 minute per UL1577
- CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
Transient immunity: 15 kV/µs (min)
High electromagnetic field immunity
(see application note SLLA181A)
External 5-MHz to 20-MHz clock input for
easier system-level synchronization
On-chip 18-V LDO regulator
Fully specified over the extended industrial temperature range

The AMC1304 is a precision, delta-sigma (ΔΣ) modulator 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 V_PEAK according to the DIN VDE V 0884-11, UL1577 and CSA standards. Used in conjunction with isolated power supplies, the device prevents noise currents on a high common-mode voltage line from entering the local system ground and interfering with or damaging low voltage circuitry.

The input of the AMC1304 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The unique low input voltage range of the ±50-mV device allows significant reduction of the power dissipation through the shunt while supporting excellent ac and dc performance. By using an appropriate digital filter (that is, as integrated on the TMS320F2807x or TMS320F2837x families) to decimate the bit stream, the device can achieve 16 bits of resolution with a dynamic range of 81 dB (13.2 ENOB) at a data rate of 78 kSPS.

On the high-side, the modulator is supplied by an integrated low-dropout (LDO) regulator that allows an unregulated input voltage between 4 V and 18 V (LDOIN). The isolated digital interface operates from a 3.3-V or 5-V power supply (DVDD).

The AMC1304 is available in a wide-body SOIC-16 (DW) package and is specified from –40°C to +125°C.

The AMC1304 is a precision, delta-sigma (ΔΣ) modulator 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 V_PEAK according to the DIN VDE V 0884-11, UL1577 and CSA standards. Used in conjunction with isolated power supplies, the device prevents noise currents on a high common-mode voltage line from entering the local system ground and interfering with or damaging low voltage circuitry.

The input of the AMC1304 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The unique low input voltage range of the ±50-mV device allows significant reduction of the power dissipation through the shunt while supporting excellent ac and dc performance. By using an appropriate digital filter (that is, as integrated on the TMS320F2807x or TMS320F2837x families) to decimate the bit stream, the device can achieve 16 bits of resolution with a dynamic range of 81 dB (13.2 ENOB) at a data rate of 78 kSPS.

On the high-side, the modulator is supplied by an integrated low-dropout (LDO) regulator that allows an unregulated input voltage between 4 V and 18 V (LDOIN). The isolated digital interface operates from a 3.3-V or 5-V power supply (DVDD).

The AMC1304 is available in a wide-body SOIC-16 (DW) package and is specified from –40°C to +125°C.

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顶层文档	类型	标题	格式选项	下载最新的英语版本		日期
*	数据表	AMC1304x High-Precision, Reinforced Isolated Delta-Sigma Modulators with LDO 数据表 (Rev. F)	PDF \| HTML			2020-1-6
	证书	VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB)				2026-7-15
	电子书	隔离式信号链解决方案工程师指南	PDF \| HTML	英语版	PDF \| HTML	2025-1-23
	白皮书	比较隔离式放大器和隔离式调制器 (Rev. B)	PDF \| HTML	英语版 (Rev.B)	PDF \| HTML	2024-7-24
	应用手册	隔离式调制器与 MCU 之间的数字接口的时钟边沿延迟补偿 (Rev. A)	PDF \| HTML	英语版 (Rev.A)	PDF \| HTML	2024-1-19
	应用简报	隔离式数据转换器的分流电阻选型	PDF \| HTML	英语版	PDF \| HTML	2023-5-5
	应用手册	Δ-Σ ADC 中的数字滤波器类型 (Rev. A)	PDF \| HTML	英语版 (Rev.A)	PDF \| HTML	2023-4-13
	证书	UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A)				2023-1-23
	应用简报	集成式电流检测模数转换器 (Rev. A)	PDF \| HTML	英语版 (Rev.A)	PDF \| HTML	2022-12-2
	电子书	电子书：工业机器人设计工程师指南		英语版		2020-3-25
	白皮书	High Voltage Isolation Quality and Reliability for AMC130x				2016-6-21
	应用手册	How to Optimize Performance of AMC1304/05M25 in Voltage Sensing				2015-8-31

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