dac1408d650 NXP Semiconductors, dac1408d650 Datasheet - Page 20

• Manufacturer Part Number: dac1408d650
• Description: Dual 14-bit Dac, Up To 650 Msps, 2? And 4? Interpolating With Jesd204a Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
DAC1408D650_1
Objective data sheet
Fig 8.
b9
b9
b9
b9
Frame assembly
b8
b8
b8
b8
b7
b7
b7
b7
10.3.1 Protocol description
10.3 Serial interface (SPI)
b6
b6
b6
b6
SERIAL CLOCK
3.125 GHz
b5
b5
b5
b5
b4
b4
b4
b4
The DAC1408D650 serial interface is a synchronous serial communication port allowing
easy interfacing with many industry microprocessors. It provides access to the registers
that define the operating modes of the chip in both write and read modes.
b3
b3
b3
b3
b2
b2
b2
b2
b1
b1
b1
b1
b0
b0
b0
b0
/10
/10
/10
/10
encoded
encoded
encoded
encoded
octet
octet
octet
octet
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Rev. 01 — 26 May 2009
Dual 14-bit DAC, up to 650 Msps, 2 and 4 interpolating
CHARACTER CLOCK
312.5 MHz
lane 0
lane 1
lane 2
lane 3
scrambled
scrambled
scrambled
scrambled
octet
octet
octet
octet
S7
S6
S5
S4
S3
S2
S1
S0
S7
S6
S5
S4
S3
S2
S1
S0
S7
S6
S5
S4
S3
S2
S1
S0
S7
S6
S5
S4
S3
S2
S1
S0
ON/OFF
ON/OFF
ON/OFF
ON/OFF
FRAME CLOCK
312.5 MHz
F = 1 byte
byte 0
byte 1
byte 2
byte 3
D13
D12
D11
D10
D09
D08
D07
D06
D05
D04
D03
D02
D01
D00
D13
D12
D11
D10
D09
D08
D07
D06
D05
D04
D03
D02
D01
D00
T
T
T
T
DAC1408D650
/F
D13
D12
D11
D10
D09
D08
D07
D06
D05
D04
D03
D02
D01
D00
D13
D12
D11
D10
D09
D08
D07
D06
D05
D04
D03
D02
D01
D00
© NXP B.V. 2009. All rights reserved.
M = 2 converters
DAC0
DAC1
001aak164
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