AK9231 Datasheet, PDF (1/11 Pages) Asahi Kasei Microsystems – Dual 12-Bit 1MSPS SAR A/D Converter

[AK9231]
AK9231
Dual 12-Bit 1MSPS SAR A/D Converter
1. General Description
The AK9231 is a 12-bit, 1MSPD, SAR A/D converter. It is housed in a space saving ultra-small package
(16-pin QFN).
2. Features
□ Simultaneous Sampling 12-bit SAR A/D Converter
□ Sampling Rate: 1MSPS
□ Unipolar Input Range: 0 ~ VDD
□ S/(N+D): 71.25dB(Typ.) at 100kHz Input
□ INL: ±1.25 SB (Max.)
□ DNL: ±1.0 LSB(Max.)
□ Power Consumption: IDD=50mW (fs=1MSPS, VDD= 5V)
□ Power Supply: VDD=2.35 ~ 5.25V
□ Operational Temperature Range: Ta=-40 ~ 105ºC
□ Package: Ultra-small 16-pin QFN (3mm x 3mm) Package
VDD
AIN0
AIN1
SAR
S/H
Serial I/F
ADC
&
Control
Logic
SAR
S/H
ADC
VSS TEST0
TEST1
Figure 1. AK9231 Block Diagram
SCLK
SDO0
SDO1
CSN
TEST2
TEST3
014010771-E-00
-1-
2014/12