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参数资料
| 型号： | DAC5688IRGCTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.0104 us SETTLING TIME, 16-BIT DAC, PQCC64 |
| 封装： | 9 X 9 MM, GREEN, PLASTIC, VQFN-64 |
| 文件页数： | 14/56页 |
| 文件大小： | 1321K |
| 代理商： | DAC5688IRGCTG4 |
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SLLS880C – DECEMBER 2007 – REVISED AUGUST 2010
Register name: CONFIG18 Address: 0x12, Default 0x00 (Synced)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
qmc_offseta(12:8)
unused
0
qmc_offseta(12:8)
: Upper 5 bits of the DACA offset correction.
Register name: CONFIG19 Address: 0x13, Default 0x00 (Synced)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
qmc_offsetb(12:8)
unused
0
qmc_offsetb(12:8)
: Upper 5 bits of the DACB offset correction.
Register name: CONFIG20 Address: 0x14, Default 0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ser_dac_data(7:0)
0
ser_dac_data(7:0)
:
Lower 8 bits of the serial interface controlled DAC value. This data is routed to both DACs when enabled
via ser_dac_data_ena in CONFIG4. Value is expected in 2s complement format.
Register name: CONFIG21 Address: 0x15, Default 0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ser_dac_data(15:8)
0
ser_dac_data(15:8)
:
Upper 8 bits of the serial interface controlled DAC value. This data is routed to both DACs when enabled via
ser_dac_data_ena in CONFIG4. Value is expected in 2's complement format.
Register name: CONFIG22 Address: 0x16, Default 0x15
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
nco_sel(1:0)
nco_reg_sel(1:0)
qmcorr_reg_sel(1:0)
qmoffset_reg_sel(1:0)
0
1
0
1
0
1
nco_sel(1:0)
:
Selects the signal to use as the sync for the NCO accumulator.
nco_reg_sel(1:0)
:
Selects the signal to use as the sync for loading the NCO registers.
qmcorr_reg_sel(1:0)
:
Selects the signal to use as the sync for loading the QM correction registers.
qmoffsest_reg_sel(1:0)
:
Selects the signal to use as the sync for loading the QM offset correction registers.
*_sel (1:0)
Sync selected
00
TXENABLE from FIFO output
01
SYNC from FIFO output
10
sync_SIF_sig (via CONFIG5)
11
Always zero
Copyright 2007–2010, Texas Instruments Incorporated
21
Product Folder Link(s): DAC5688
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