国产平替 16/20/24/32-bit 高精度 Σ-Δ 模数转换器芯片

只看该作者 · 2023-11-30 17:11

本帖最后由 slot867 于 2024-1-26 12:37 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

只看该作者 · 2024-1-19 10:54

本帖最后由 slot867 于 2024-1-19 12:47 编辑

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

只看该作者 · 2023-11-30 17:12

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
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

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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