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[原创] 国产平替 16/20/24/32-bit 高精度 Σ-Δ 模数转换器芯片

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发表于 2023-12-4 10:48:46 | 显示全部楼层 |阅读模式

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信格勒微电子的芯片产品已通过行业头部大厂导入验证,深受百万终端客户好评。而且因为 fully compatible. 板子拿来,换个芯片,性能更好。MCU不用改 c code。

平替TI芯片
SIG1230A 平替 ADS1230 (20-bit)
SIG1232A 平替 ADS1232 (24-bit)

平替ADI芯片
SIG7190 平替 AD7190
SIG7192 平替 AD7192
SIG7193 平替 AD7193

平替Cirrus Logic芯片

SIG5532B 平替 CS5532BS(32-bit)
SIG5534B 平替 CS5534BS(32-bit)
SIG5532A 平替 CS5532AS(24-bit)
SIG5534A 平替 CS5534AS(24-bit)
SIG5530 平替 CS5530 (24-bit)
SIG5530B 平替 CS5530(32-bit)

平替ADI芯片
SIG7792 平替 AD7792
SIG7793 平替 AD7793
SIG7794 平替 AD7794
SIG7795 平替 AD7795
SIG7796 平替 AD7796
SIG7797 平替 AD7797
SIG7798 平替 AD7798
SIG7799 平替 AD7799
 楼主| 发表于 2024-1-18 16:13:16 | 显示全部楼层
性能更佳

SIG7792/SIG7793
4.17SPS to 890SPS ADC with PGA and Reference

Compatible Parts
AD7792/AD7793 pin/register fully compatible (10nV/℃ and 3ppm/℃).

Features
Programmable Gain: 1/2/4/8/16/32/64/128
Data Rates: 4.17SPS to 890SPS
RMS Noises: 20nV at 4.17SPS (Gain = 128)
23.2ENOB (21.0 noise-free bits) at 4.17SPS (Gain= 1)
Offset Drift: 5nV/℃ (Gain = 128)
Gain Drift: 1ppm/℃
Integral Non-linearity: 3ppm
internal reference: 4ppm/℃
Reference input current: 1uA
Internal or External Clock
Simultaneous 50Hz/60Hz Rejection
4 Differential Inputs
Current: 0.5mA
Specified Temperature Range: -40℃ to 125℃
Package: 16-ld TSSOP
Power Supply
AVDD: 2.7V to 5.25V
DVDD: 2.7V to 5.25V

Applications
Weight Scales and Strain Gauges
Flow/Pressure Measurement
Temeprature Measurement
Industrial Process Control
Medical Instrumentation
 楼主| 发表于 2024-3-21 11:28:37 | 显示全部楼层
模数转换器 SIG5534A 国产平替 CS5534AS,性能更好。MCU 不用改 c code。
SIG5531A/SIG5532A/SIG5533A/SIG5534A
1.6SPS to 3840SPS 16-bit/24-bit ADC with PGA and Reference      

Compatible Parts
CS5531AS/CS5532AS/CS5533AS/CS5534AS pin/register fully compatible (15nV/℃ and 2ppm/℃).

Features
  • Programmable Gain:   1/2/4/8/16/32/64                                            
  • Data Rates: 1.6SPS to 3840SPS                                            
  • RMS Noises: 16nV at 7.5SPS (Gain = 64)                                            
  • 24.0ENOB (22.3 noise-free bits) at 7.5SPS (Gain= 1)                                            
  • Offset Drift: 5nV/℃ (Gain = 64)                                            
  • Gain Drift: 0.5ppm/℃                                           
  • Integral Non-linearity: 3ppm                                           
  • Reference input current: 250nA                                            
  • Internal Reference: 5ppm/℃                                           
  • Internal or External Clock                                            
  • SINC3/SINC1 Filter Option                                             
  • 2/4 Differential Inputs  
  • Current: 5.0mA                                            
  • Specified Temperature Range: -40℃ to 125℃                                             
  • Package: 20/24-ld TSSOP                                    
  • Power Supply   

AVDD:
4.75V to 5.25V or ±2.5V


DVDD:
2.7V to 5.25V

 楼主| 发表于 2024-5-13 10:24:55 | 显示全部楼层
模数转换器 SIG1230A 国产平替 ADS1230,性能更佳。MCU 不用改 c code。

SIG1230A            
10/80SPS 20-bit ADC with PGA             

Compatible Parts
ADS1230 fully compatible (10nV/℃ and 3ppm/℃).

Features   


  • Programmable Gain: 64/128
  • Data Rates: 10/80SPS
  • RMS Noises: 38nV at 10SPS (Gain = 128)
  • Offset Drift: 10nV/℃ (Gain = 128)
  • Gain Drift: 2ppm/℃
  • Integral Non-linearity: 3ppm
  • Reference input current: 15nA
  • Internal or External Clock
  • Power Supply                                            

    AVDD:
    2.7V to 5.25V or ±2.5V


    DVDD:
    2.7V to 5.25V


  • Current: 0.8mA
  • Specified Temperature Range: -40℃ to 125℃
  • Package: 16-ld TSSOP        

 楼主| 发表于 2023-12-4 10:49:47 | 显示全部楼层
16/20/24/32-bit 高精度 Σ-Δ 模数转换器芯片选型表                                                        
Product No.
Data Rate
PGA Gain
Resolution
Offset Drift
Gain Drift
Power
Package
Features
1.6SPS to 3840SPS
1/2/4/8/16/32/64
32-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
6.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 3840SPS
1/2/4/8/16/32/64
32-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
6.0mA
TSSOP-24
4 Differential Channels
1.6SPS to 3840SPS
1/2/4/8/16/32/64
16-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 3840SPS
1/2/4/8/16/32/64
24-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 3840SPS
1/2/4/8/16/32/64
16-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-24
4 Differential Channels
1.6SPS to 3840SPS
1/2/4/8/16/32/64
24-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-24
4 Differential Channels
1.6SPS to 3840SPS
64
32-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
6.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 3840SPS
64
24-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 200SPS
64
24-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 30.72kSPS
1/2/4/8/16/32/64
32-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
6.0mA
TSSOP-20
2 Differential Channels
1.6SPS to 30.72kSPS
1/2/4/8/16/32/64
32-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
6.0mA
TSSOP-24
4 Differential Channels
4.7SPS to 4.8kSPS
1/2/4/8/16/32/64/128
24-bit
3nV/℃ (Gain = 128)
0.5ppm/℃
2.7mA
TSSOP-24
2 Differential Channels
4 Single End Channels
4.7SPS to 4.8kSPS
1/2/4/8/16/32/64/128
24-bit
3nV/℃ (Gain = 128)
0.5ppm/℃
2.7mA
TSSOP-24
2 Differential Channels
4 Single End Channels
4.7SPS to 4.8kSPS
1/2/4/8/16/32/64/128
24-bit
3nV/℃ (Gain = 128)
0.5ppm/℃
2.7mA
TSSOP-28
4 Differential Channels
8 Single End Channels
SIG7290
9.4SPS to 9.6kSPS
1/2/4/8/16/32/64/128
24-bit
3nV/℃ (Gain = 128)
0.5ppm/℃
4.8mA
TSSOP-20
2 Differential Channels
4 Single End Channels
SIG7293
9.4SPS to 9.6kSPS
1/2/4/8/16/32/64/128
24-bit
3nV/℃ (Gain = 128)
0.5ppm/℃
4.8mA
TSSOP-24
4 Differential Channels
8 Single End Channels
4.17SPS to 890SPS
1/2/4/8/16/32/64/128
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
4.17SPS to 890SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
4.17SPS to 890SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-24
6 Differential Channels
4.17SPS to 890SPS
1/2/4/8/16/32/64/128
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-24
6 Differential Channels
4.17SPS to 890SPS
128
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
4.17SPS to 890SPS
128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
4.17SPS to 890SPS
1/2/4/8/16/32/64/128
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
4.17SPS to 890SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
2.5SPS to 9600SPS
1/2/4/8/16/32/64/128/256
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.8mA
TSSOP-16
2 Differential Channels
4 Single End Channels
2.5SPS to 9600SPS
1/2/4/8/16/32/64/128/256
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.8mA
TSSOP-20
4 Differential Channels
8 Single End Channels
2.5SPS to 9600SPS
1/2/4/8/16/32/64/128/256
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.8mA
TSSOP-24
4 Differential Channels
8 Single End Channels
2.5SPS to 9600SPS
1/2/4/8/16/32/64/128/256
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.8mA
TSSOP-16
2 Differential Channels
4 Single End Channels
2.5SPS to 9600SPS
1/2/4/8/16/32/64/128/256
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.8mA
TSSOP-20
4 Differential Channels
8 Single End Channels
2.5SPS to 9600SPS
1/2/4/8/16/32/64/128/256
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.8mA
TSSOP-24
4 Differential Channels
8 Single End Channels
10SPS to 2400SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.5mA
TSSOP-24
2 Differential Channels
10SPS to 2400SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.5mA
TSSOP-16
1 Differential Channel
10SPS to 1200SPS
1/2/4/8/16/32/64/128
20-bit
10nV/℃ (Gain = 128)
2ppm/℃
0.8mA
TSSOP-16
1 Differential Channel
10SPS/80SPS
1/2/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.5mA
TSSOP-24
2 Differential Channels
10SPS/80SPS
64/128
20-bit
10nV/℃ (Gain = 128)
2ppm/℃
0.8mA
TSSOP-16
1 Differential Channel
10SPS
64/128
20-bit
10nV/℃ (Gain = 128)
2ppm/℃
0.8mA
TSSOP-16
1 Differential Channel
7.8SPS to 8000SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.3mA
TSSOP-16
4 Differential Channels
7 Single End Channels
7.8SPS to 8000SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.3mA
TSSOP-24
7 Differential Channels
13 Single End Channels



发表于 2024-4-18 15:04:23 | 显示全部楼层
本帖最后由 佳德力电子 于 2024-4-18 15:06 编辑

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