AKM Confidential
AK2571
3.4 Gain setting of I-DAC1,2,3
See the table below for a description on how to set the three I-DACs full-scale voltages. The resolution is set in proportion
with the gain.
I-DAC1 gain setting
R_DAC1_GAIN
(E_DAC1_GAIN)
Gain set value Max
output
current (typ)
Setting range of
output current (typ)
Non missing code
warranty range (typ)
Current
resolution (typ)
00 1
121.8mA
30mA-121.8mA 30mA
over
0.36mA
01 1/2
60.9mA
15mA-60.9mA 15mA
over
0.18mA
10 1/4
30.45mA
7.5mA-30.45mA 7.5mA
over
0.09mA
11 1/12
10.15mA
2.5mA-10.15mA 2.5mA
over
0.03mA
I-DAC2 Gain setting
R_DAC1_GAIN
(E_DAC1_GAIN)
Gain set value Max
output
current (typ)
Setting range of
output current (typ)
Non missing code
warranty range (typ)
Current
resolution (typ)
00(11) 1 20.42mA
0mA-21.42mA 2.5mA
over
0.084mA
10 1/2
10.71mA
0mA-10.71mA 1.25mA
over 0.042mA
11 1/4
5.36mA
0mA-5.36mA 0.625mA
over 0.021mA
I-DAC3 Gain setting
R_DAC1_GAIN
(E_DAC1_GAIN)
Gain set value Max
output
current (typ)
Setting range of
output current (typ)
Non missing code
warranty range (typ)
Current
resolution (typ)
00(11) 1 21.42mA
0mA-20.42mA 2.5mA
over
0.084mA
10 1/2
10.71mA
0mA-10.71mA 1.25mA
over 0.042mA
11 1/4
5.36mA
0mA-5.36mA 0.625mA
over 0.021mA
<Rev. 0.6E Preliminary> -9-
2001/11
