Datasheet
DAC3484
www.ti.com
SLAS749C –MARCH 2011–REVISED AUGUST 2012
Register name: config11 – Address: 0x0B, Default: 0x0000
Register
Default
Address Bit Name Function
Value
Name
config10 0x0A 15 Reserved Reserved for factory use. 0
14 Reserved Reserved for factory use. 0
13 Reserved Reserved for factory use. 0
12:0 qmc_offsetD(12:0) DACD offset correction. The offset is measured in DAC LSBs. All zeros
Register name: config12 – Address: 0x0C, Default: 0x0400
Register
Default
Address Bit Name Function
Value
Name
config12 0x0C 15 Reserved Reserved for factory use. 0
14 Reserved Reserved for factory use. 0
13 Reserved Reserved for factory use. 0
12 Reserved Reserved for factory use. 0
11 Reserved Reserved for factory use. 0
10:0 qmc_gainA(10:0) QMC gain for DACA. The full 11-bit qmc_gainA(10:0) word is formatted as UNSIGNED 10000000
with a range of 0 to 1.9990. The implied decimal point for the multiplication is between bit 000
9 and bit 10.
Register name: config13 – Address: 0x0D, Default: 0x0400
Register
Default
Address Bit Name Function
Value
Name
config13 0x0D 15 cmix_mode(3:0) Sets the mixing function of the coarse mixer. 0000
MM Bit 15: Fs/8 mixer
MM Bit 14: Fs/4 mixer
MM Bit 13: Fs/2 mixer
MM Bit 12: -Fs/4 mixer
The various mixers can be combined together to obtain a ±n×Fs/8 total mixing factor.
11 Reserved Reserved for factory use. 0
10:0 qmc_gainB(10:0) QMC gain for DACB. The full 11-bit qmc_gainB(10:0) word is formatted as UNSIGNED 10000000
with a range of 0 to 1.9990. The implied decimal point for the multiplication is between 000
bit 9 and bit 10.
Register name: config14 – Address: 0x0E, Default: 0x0400
Register
Default
Address Bit Name Function
Value
Name
config14 0x0E 15 Reserved Reserved for factory use. 0
14 Reserved Reserved for factory use. 0
13 Reserved Reserved for factory use. 0
12 Reserved Reserved for factory use. 0
11 Reserved Reserved for factory use. 0
10:0 qmc_gainC(10:0) QMC gain for DACC. The 11-bit qmc_gainC(10:0) word is formatted as UNSIGNED 10000000
with a range of 0 to 1.9990. The implied decimal point for the multiplication is between 000
bit 9 and bit 10.
Register name: config15 – Address: 0x0F, Default: 0x0400
Register
Default
Address Bit Name Function
Value
Name
config15 0x0F 15:14 output_ Delays the AB data path outputs from 0 to 3 DAC clock cycles. 00
delayAB(1:0)
13:12 output_ Delays the CD data path outputs from 0 to 3 DAC clock cycles. 00
delayCD(1:0)
11 Reserved Reserved for factory use. 0
10:0 qmc_gainD(10:0) QMC gain for DACD. The full 11-bit qmc_gainD(10:0) word is formatted as UNSIGNED 10000000
with a range of 0 to 1.9990. The implied decimal point for the multiplication is between 000
bit 9 and bit 10.
Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 37
Product Folder Links: DAC3484