模数转换器 SIG1232A 国产平替 ADS1232

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。

SIG1232A        
10/80SPS 24-bit ADC with PGA                    

Compatible Parts
ADS1232fully 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
[*]Current: 1.5mA

[*]Specified Temperature Range: -40℃ to 125℃

[*]Package: 24-ld TSSOP
[*]Power Supply                                            


AVDD：2.7V to 5.25V or ±2.5V


DVDD：2.7V to 5.25V

                                       
Applications      

[*]Weight Scales and Strain Gauges

[*]Flow/Pressure Measurement

[*]Temperature Measurement

[*]Industrial Process Control

[*]Medical Instrumentation