模数转换器 SIG7190 国产平替 AD7190

只看该作者 · 2023-12-12 11:25

本帖最后由 slot867 于 2023-12-14 15:44 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，性能更好。MCU不用改 c code。

SIG7190/SIG7192

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

Compatible Parts
AD7190/AD7192 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
Current: 2.7mA
Specified Temperature Range: -40℃ to 125℃
Package: 24-ld TSSOP

Applications

Weight Scales and Strain Gauges
Flow/Pressure Measurement
Temperature Measurement
Industrial Process Control
Medical Instrumentation

只看该作者 · 2023-12-12 11:30

本帖最后由 slot867 于 2024-1-26 12:31 编辑

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

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

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 · 2024-5-15 10:35

模数转换器 SIG7792 / SIG7793 国产平替 AD7792 / AD7793, 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

模数转换器 SIG7190 国产平替 AD7190

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