Princeton Technology Corp.
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
6-Channel Electronic Volume Controller IC Preliminary
PT2258
Data Bytes Description
FUNCTION BITS
MSB
LSB
1
1
1
0 A3 A2 A1 A0
1
1
0
1 0 B2 B1 B0
0
0
0
1 A3 A2 A1 A0
0
0
0
0 0 B2 B1 B0
0
0
1
1 A3 A2 A1 A0
0
0
1
0 0 B2 B1 B0
0
1
0
1 A3 A2 A1 A0
0
1
0
0 0 B2 B1 B0
0
1
1
1 A3 A2 A1 A0
0
1
1
0 0 B2 B1 B0
1
0
0
1 A3 A2 A1 A0
1
0
0
0 0 B2 B1 B0
1
0
1
1 A3 A2 A1 A0
1
0
1
0 0 B2 B1 B0
1
1
1
11
0
0M
FUNCTION
6-Channel, -1dB/step
6-Channel, -10dB/step
Channel No. 3, -1dB/step
Channel No. 3, -10dB/step
Channel No. 4, -1dB/step
Channel No. 4, -10dB/step
Channel No. 2, -1dB/step
Channel No. 2, -10dB/step
Channel No. 5, -1dB/step
Channel No. 5, -10dB/step
Channel No. 1, -1dB/step
Channel No. 1, -10dB/step
Channel No. 6, -1dB/step
Channel No. 6, -10dB/step
6-Channel, MUTE
When M=1, MUTE=ON
When M=0, MUTE=OFF
PT2258 pre1.0
9
Updated July 2000