AD9780 Analog Devices, AD9780 Datasheet - Page 20

• Manufacturer Part Number: AD9780
• Description: Dual 12-Bit, LVDS Interface 500 MSPS DAC
• Manufacturer: Analog Devices

Specifications of AD9780

• Resolution (bits): 12bit
• Dac Update Rate: 500MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9780/AD9781/AD9783
SPI REGISTER MAP
Table 11.
Register Name
SPI Control
Data Control
Power-Down
Setup and Hold
Timing Adjust
Seek
Mix Mode
DAC1 FSC
DAC1 FSC MSBs
AUXDAC1
AUXDAC1 MSB
DAC2 FSC
DAC2 FSC MSBs
AUXDAC2
AUXDAC2 MSB
BIST Control
BIST Result 1 Low
BIST Result 1 High
BIST Result 2 Low
BIST Result 2 High
Hardware Version
Addr
0x00
0x02
0x03
0x04
0x05
0x06
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
Default
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0xF9
0x01
0x00
0x00
0xF9
0x01
0x00
0x00
0x00
0x00
0x00
0x00
0x00
N/A
Bit 7
SDIO_DIR
DATA
PD_DCO
AUX1SGN
AUX2SGN
BISTEN
Bit 6
LSBFIRST
PD_INPT
AUX1DIR
AUX2DIR
BISTRD
VERSION[3:0]
SET[3:0]
Rev. A | Page 20 of 36
Bit 5
RESET
PD_AUX2
BISTCLR
Bit 4
INVDCO
PD_AUX1
BISTRES1[15:8]
BISTRES2[15:8]
AUXDAC1[7:0]
AUXDAC2[7:0]
DAC1FSC[7:0]
DAC2FSC[7:0]
BISTRES1[7:0]
BISTRES2[7:0]
Bit 3
PD_BIAS
DAC1MIX[1:0]
SAMP_DLY[4:0]
Bit 2
PD_CLK
LVDS low
DEVICE[3:0]
HLD[3:0]
Bit 1
PD_DAC2
LVDS high
AUXDAC1[9:8]
AUXDAC2[9:8]
DAC2MIX[1:0]
DAC1FSC[9:8]
DAC2FSC[9:8]
Bit 0
PD_DAC1
SEEK