Generalplus GPY0050A1
The GPY0050A1 is a 12-bit sampling Analog-to-Digital Converter (ADC) with a synchronous serial interface and differential microphone input preamplifier. The device contains an on-chip control register allowing control of ADC and microphone amplifier via the SPI interface.| Part No. | GPY0050A1 |
|---|---|
| Datasheet | GPY0050A1 Download |
| Manufacturer |  Generalplus |
| Description | 12-bit ADC |
| Buy | Stock & Price |
GENERAL DESCRIPTION
2.FEATURES
● Wide operating range: 2.2V – 5.5V● SPI Serial Interface
● One 12-bit ADC (12-bit SAR ADC)
● ADC Sampling Up to 125KHz
● One Microphone Preamplifier with AGC 3. BLOCK DIAGRAM VDD 4 IN[3:0] MUX 4 S/H IN[7:4] VDD VMIC VCM ENMICB VDD/2 Comparator 12 bit DAC SAR Control Logic SPI Interface DCLK CSN DIN DOUT MICP MICN MIC PreAmp R1 1.5k VCM R2 60k OPA AGC Control MICOUT OPI OPO (IN7) (IN5) (IN4) Note: When user needs 8 channels ADC, we recommend replacing GPY0050A1 with GPY0050B. AGC VSS (IN6) © Generalplus Technology Inc. 3 Proprietary & Confidential Sep 25, 2017 Version: 1.1 GPY0050A1 4. SIGNAL DESCRIPTIONS GPY0050A1-HG08x (SSOP-20) Mnemonic PIN No. Type DOUT 1 O DIN 2 I DCLK 3 I CSN 4 I VDD / VDDA 5/6 P IN0 7 I IN1 8 I IN2 9 I IN3 10 I OPO / IN4 11 O/I OPI 12 I AGC / IN6 13 O/I MICOUT / IN7 14 O/I MICN 15 I MICP 16 I VCM 17 O VMIC 18 O VSSA / VSS 19 / 20 P
DESCRIPTION
Serial data output. Data is shifted out on the falling edge of DCLK. This output is high impedance when CSN is high.
