PCM1741/E2K BURR-BROWN [Burr-Brown Corporation], PCM1741/E2K Datasheet - Page 14

• Manufacturer Part Number: PCM1741/E2K
• Description: +3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

14
Register 20
FLT
REGISTER 22
DREV
ZREV
AZRO
Register22
(Cont.)
(Cont.)
Digital Filter Roll-Off Control
Default Value: 0
The FLT bit allows the user to select the digital filter roll-off that is best suited to their application. Two
filter roll-off sections are available: Sharp or Slow. The filter responses for these selections are shown in
the Typical Performance Curves section of this data sheet.
Output Phase Select
Default Value: 0
The DREV bit is used to set the output phase of V
Zero Flag Polarity Select
Default Value: 0
The ZREV bit allows the user to select the active polarity of Zero Flag pins.
Zero Flag Function Select
Default Value: 0
The AZRO bit allows the user to select the function of Zero Flag pins.
AZRO = 0:
AZRO = 1:
B15
FLT = 0
FLT = 1
DREV = 0
DREV = 1
ZREV = 0
ZREV = 1
AZRO = 0
AZRO = 1
Pin11: ZEROR; Zero Flag Output for R-Channel
Pin12: ZEROL; Zero Flag Output for L-Channel
Pin11: ZEROA; Zero Flag Output for L-/R-Channel
Pin12: NA; No Assign
0
IDX6
B14
IDX5
B13
Normal Output (default)
Inverted Output
Zero Flag Pins HIGH at a Zero Detect (default)
Zero Flag Pins LOW at a Zero Detect
L-/R-Channel Independent Zero Flag (default)
L-/R-Channel Common Zero Flag
Sharp Roll-Off (default)
Slow Roll-Off
IDX4
B12
IDX3
B11
IDX2
B10
IDX1
B9
IDX0
B8
OUT
L and V
RSV
B7
OUT
RSV
B6
R.
RSV
B5
RSV
B4
RSV
B3
AZRO
B2
PCM1741
ZREV DREV
B1
SBAS175
B0