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 · 2023-12-1 11:43

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

只看该作者 · 2023-12-12 10:21

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

只看该作者 · 2024-2-27 10:10

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

只看该作者 · 2024-3-5 17:29

模数转换器 SIG7193 国产平替 AD7193,  性能更佳。MCU 不用改 c code。

SIG7193
4.7SPS to 4.8kSPS 24-bit ADC with PGA gain 1 to 128

Compatible Parts
AD7193 pin/register fully compatible.

Features

Programmable Gain: 1/2/4/8/16/32/64/128

Data Rates: 4.7SPS to 4.8kSPS

RMS Noises: 15nV at 10SPS (Gain = 128)

24.4ENOB (22.0 noise-free bits) at 10SPS (Gain= 1)

Offset Drift: 3nV/℃ (Gain = 128)

Gain Drift: 0.5ppm/℃

Integral Non-linearity: 3ppm
Reference input current: 500nA
Internal or External Clock
Simultaneous 50Hz/60Hz Rejection
2 Differential/4 Pseudo Differential Inputs
Power Supply

AVDD：
2.7V to 5.25V or ±2.5V

DVDD：
2.7V to 5.25V
Specified Temperature Range: -40℃ to 125℃
Package: 28-ld TSSOP
Current: 2.7mA

只看该作者 · 2023-12-1 11:45

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