国产平替 16/20/24/32-bit 高精度 Σ-Δ 模数转换器芯片
本帖最后由 slot867 于 2024-1-26 12:33 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
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
功能替代TI芯片
SIG24130/SIG24131/SIG24132 替代 ADS1220、ADS1247、ADS1248
SIG16130/SIG16131/SIG16132 替代 ADS1120、ADS1147、ADS1148
本帖最后由 slot867 于 2024-2-27 10:54 编辑
模数转换器 SIG1232A 国产平替 ADS1232, 性能更佳
SIG1232A
10/80SPS 24-bit ADC with PGA
Compatible Parts
ADS1232 fully compatible(10nV/℃ and 2.5ppm/℃).
Features
[*]Programmable Gain: 1/2/64/128
[*]Data Rates: 10/80SPS
[*]RMS Noises: 19nV at 10SPS (Gain = 128)
[*]23.0ENOB (20.9 noise-free bits) at 10SPS (Gain = 1)
[*]Offset Drift: 5nV/℃ (Gain = 128)
[*]Gain Drift: 1ppm/℃
[*]Integral Non-linearity: 3ppm
[*]Reference input current: 30nA
[*]Internal or External Clock
[*]2 Differential Inputs
[*]Power Supply
AVDD：2.7V to 5.25V or ±2.5V
DVDD：2.7V to 5.25V
[*]Current: 1.5mA
[*]Specified Temperature Range: -40℃ to 125℃
[*]Package: 24-ld TSSOP
模数转换器 SIG1230A 国产平替 ADS1230, 性能更好
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
功能替代的SIG24130，比ADS1248用起来更简单，性能更佳
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/SIG24132)
[*]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
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
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