[STM32F1]

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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slot867|  楼主 | 2023-12-1 11:43 | 显示全部楼层 |阅读模式
本帖最后由 slot867 于 2024-1-26 12:34 编辑

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,性能更佳。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

功能替代TI芯片
SIG24130/SIG24131/SIG24132 替代 ADS1220、ADS1247、ADS1248
SIG16130/SIG16131/SIG16132 替代 ADS1120、ADS1147、ADS1148

使用特权

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slot867|  楼主 | 2023-12-12 10:21 | 显示全部楼层
本帖最后由 slot867 于 2024-1-26 11:13 编辑
xiaogougou 发表于 2023-12-11 17:20
ADS1248有直接替代的吗,之前山海有,需要改代码,你们有吗

我们有功能替代的 SIG24132,比ADS1248 用起来更简单,性能更好

SIG24130/SIG24131/SIG24132
2.5SPS to 9.6kSPS 24-bit ADC with PGA, IDAC and Reference

Functional Replacement Parts
ADS1220/ADS1247/ADS1248 (10nV/℃ and 3ppm/℃)                                                                        

Features  

  • Programmable Gain: 1/2/4/8/16/32/64/128/256
  • Data Rates: 2.5SPS to 9.6kSPS
  • RMS Noises: 30nV at 10SPS (Gain = 128)
  • 24.1ENOB (21.6 noise-free bits)at 10SPS (Gain = 1)
  • Offset Drift: 5nV/℃ (Gain = 128)
  • Gain Drift: 1ppm/℃
  • Integral Non-linearity: 3ppm     
  • Reference input current: 50nA   
  • Internal Reference: 5ppm/℃      
  • Internal or External Clock
  • Simultaneous 50Hz/60Hz Rejection
  • 2 Differential/4 Pseudo Differential Inputs (SIG24130)
  • 4 Differential/8 Pseudo Differential Inputs (SIG24131/24132)
  • Current: 0.8mA
  • Specified Temperature Range: -40℃ to 125℃
  • Package: 16/20/24-ld TSSOP                                       
  • Power Supply                                            

    AVDD:
    2.7V to 5.25V or ±2.5V


    DVDD:
    2.7V to 5.25V


使用特权

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slot867|  楼主 | 2024-1-19 10:10 | 显示全部楼层
本帖最后由 slot867 于 2024-1-25 15:28 编辑

模数转换器 SIG7792 国产平替 AD7792,  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

使用特权

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slot867|  楼主 | 2024-2-27 10:10 | 显示全部楼层
模数转换器 SIG5532B 国产平替 CS5532BS,  性能更佳

SIG5532B / SIG5534B
1.6SPS to 3840SPS 32-bit ADC with PGA and Reference            

Compatible Parts
CS5532BS/CS5534BS 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: 11nV at 7.5SPS (Gain = 64)                                            
26.0ENOB (23.4 noise-free bits) at 7.5SPS (Gain= 1)                                            
Offset Drift: 5nV/℃(Gain = 64)                                            
Gain Drift:0.5ppm/℃                                        
Integral Non-linearity: 3ppm                                           
Reference input current: 500nA                                            
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  

使用特权

评论回复
slot867|  楼主 | 2023-12-1 11:45 | 显示全部楼层
16/20/24/32-bit 高精度 Σ-Δ 模数转换器                                                        
                           
Product No.
Data Rate
PGA Gain
Resolution
Offset Drift
Gain Drift
Power
Package
Features
SIG5532B
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
SIG5534B
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
SIG5531A
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
SIG5532A
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
SIG5533A
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
SIG5534A
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
SIG5530B
1.6SPS to 3840SPS
64
32-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
6.0mA
TSSOP-20
2 Differential Channels
SIG5530
1.6SPS to 3840SPS
64
24-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-20
2 Differential Channels
SIG5530C
1.6SPS to 200SPS
64
24-bit
5nV/℃ (Gain = 64)
0.5ppm/℃
4.0mA
TSSOP-20
2 Differential Channels
SIG5632
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
SIG5634
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
SIG7190
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
SIG7192
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
SIG7193
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
SIG7792
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
SIG7793
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
SIG7794
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
SIG7795
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
SIG7796
4.17SPS to 890SPS
128
16-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
SIG7797
4.17SPS to 890SPS
128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
0.5mA
TSSOP-16
4 Differential Channels
SIG7798
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
SIG7799
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
SIG24130
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
SIG24131
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
SIG24132
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
SIG16130
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
SIG16131
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
SIG16132
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
SIG2432
10SPS to 2400SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.5mA
TSSOP-24
2 Differential Channels
SIG2430
10SPS to 2400SPS
1/2/4/8/16/32/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.5mA
TSSOP-16
1 Differential Channel
SIG2030
10SPS to 1200SPS
1/2/4/8/16/32/64/128
20-bit
10nV/℃ (Gain = 128)
2ppm/℃
0.8mA
TSSOP-16
1 Differential Channel
SIG1232A
10SPS/80SPS
1/2/64/128
24-bit
5nV/℃ (Gain = 128)
1ppm/℃
1.5mA
TSSOP-24
2 Differential Channels
SIG1230A
10SPS/80SPS
64/128
20-bit
10nV/℃ (Gain = 128)
2ppm/℃
0.8mA
TSSOP-16
1 Differential Channel
SIG2012
10SPS
64/128
20-bit
10nV/℃ (Gain = 128)
2ppm/℃
0.8mA
TSSOP-16
1 Differential Channel
SIG24293
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
SIG24294
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

使用特权

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chenzhaoting| | 2023-12-1 12:39 | 显示全部楼层
Ad8675 有无平替

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slot867|  楼主 | 2023-12-1 14:39 | 显示全部楼层

AD8675是运放,我们家只做 Σ-Δ 模数转换器 ~~

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怀揣少年梦| | 2023-12-2 08:30 | 显示全部楼层
价钱怎么样

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zzele| | 2023-12-2 08:58 | 显示全部楼层
这类帖子价值最好,赞!

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slot867|  楼主 | 2023-12-3 11:11 | 显示全部楼层
本帖最后由 slot867 于 2023-12-15 14:05 编辑

官网 signal-micro.cn 可免费申请样片

也可加入微信 请标注您公司名称,感兴趣的芯片料号,方便后台接洽。

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jameswangchip| | 2023-12-3 19:15 | 显示全部楼层
有替代AD7606的产品吗?

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slot867|  楼主 | 2023-12-4 09:21 | 显示全部楼层
jameswangchip 发表于 2023-12-3 19:15
有替代AD7606的产品吗?

AD7606 是SAR ADC,我们家目前只提供 Σ-Δ ADC。谢谢

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xiaogougou| | 2023-12-11 17:20 | 显示全部楼层
ADS1248有直接替代的吗,之前山海有,需要改代码,你们有吗

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田舍郎| | 2023-12-11 18:36 | 显示全部楼层
有24位了

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slot867|  楼主 | 2023-12-12 10:28 | 显示全部楼层
本帖最后由 slot867 于 2023-12-12 10:55 编辑

我们家的 Offset Drift 和 Gain Drift,那是比原厂还要优秀的存在 ~~

使用特权

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田舍郎| | 2023-12-12 20:44 | 显示全部楼层
slot867 发表于 2023-12-12 10:28
我们家的 Offset Drift 和 Gain Drift,那是比原厂还要优秀的存在 ~~

真那么优秀为毛还要与原厂比较,本来还想试用看看效果,这牛X吹得敢用么?

使用特权

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slot867|  楼主 | 2023-12-13 07:40 | 显示全部楼层
本帖最后由 slot867 于 2023-12-15 12:36 编辑
田舍郎 发表于 2023-12-12 20:44
真那么优秀为毛还要与原厂比较,本来还想试用看看效果,这牛X吹得敢用么? ...

遥遥领先总要有个参照物哈 ~~

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zwsam| | 2024-1-19 13:05 | 显示全部楼层

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