AD1955 DAC decoder I2S input Support 24bit 192K Support I2S format Left-aligned format Right-aligned format
Standard op-amp version uses NJM2068D*2+NJM4556AD*1
Upgrade op-amp version using LME49720NA*2+LM4562NA*1
![](https://ae01.alicdn.com/kf/S7993eef397d548148e67a63323878a79h.jpg?width=1024&height=1024&hash=2048)
The board configuration is configured through the K-port and is detailed below
K1 K2 sets the sampling rate:
![](https://ae01.alicdn.com/kf/Sb76538b12d714859ad19fbd0bbae3ab1t.jpg?width=480&height=188&hash=668)
K3 K4 sets the data format:
![](https://ae01.alicdn.com/kf/S4dbb2bb82df2487bbf2c88281d84282dh.jpg?width=480&height=187&hash=667)
K5 K6 sets the number of bits:
![](https://ae01.alicdn.com/kf/Se7d09f2382034c0aa041608b1b163ec4a.jpg?width=480&height=190&hash=670)
K7 K8 set clock mode:
![](https://ae01.alicdn.com/kf/Se56d0acd0cfa4bf0ac0a83c732e5f988d.jpg?width=480&height=182&hash=662)
I2S interface definition:
1 NC(None) ; 2 GND ; 3 DATA ; 4 BCK; 5 MCLK ; 6 LRCK
Size:100*85*20mm;
Length and width of the center of the screw hole:8.41cm*7.99cm
Power supply voltage: analog circuit part DC plus or minus 15V (note that the DC double 15V input, misconnection AC or wrong line sequence connection will lead to permanent damage to the circuit) DAC chip power supply part AC/DC7.5-10V AC or DC can be
![](https://ae01.alicdn.com/kf/S8541e1ad797d4c59b323ad0b8e508749S.jpg?width=1000&height=1000&hash=2000)
![](https://ae01.alicdn.com/kf/S0b29a3a7cad94c45980bc6f4fcb2dfb6u.jpg?width=1000&height=1000&hash=2000)
![](https://ae01.alicdn.com/kf/Scc41c53945e549b4badcfe0c8713661cF.jpg?width=1000&height=1000&hash=2000)
![](https://ae01.alicdn.com/kf/S20f89f1814c841378afbf6a5a7b7695cZ.jpg?width=1000&height=1000&hash=2000)
![](https://ae01.alicdn.com/kf/S57001c0348b84580a4316ffbbd25e874Q.jpg?width=1000&height=1000&hash=2000)