AD9775-EBZ Analog Devices Inc, AD9775-EBZ Datasheet - Page 18

no-image

AD9775-EBZ

Manufacturer Part Number
AD9775-EBZ
Description
14Bit 160 MSPS Dual TxDAC+ D/A Converter
Manufacturer
Analog Devices Inc
Series
TxDAC+®r
Datasheet

Specifications of AD9775-EBZ

Number Of Dac's
2
Number Of Bits
14
Outputs And Type
2, Differential
Sampling Rate (per Second)
160M
Data Interface
Parallel
Settling Time
11ns
Dac Type
Current
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD9775
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MODE CONTROL (VIA SPI PORT)
Table 10. Mode Control via SPI Port
Address
0x00
0x 01
0x 02
0x 03
0x 04
0x 05
0x 06
0x 07
0x 08
0x 09
0x 0A
0x 0B
0x 0C
0x 0D
1
2
Default values are shown in bold.
See the Two-Port Data Input Mode section.
Bit 7
SDIO
Bidirectional
0 = Input
1 = I/O
Filter
Interpolation
Rate (1×, 2×,
4×, 8×)
0 = Signed
Input Data
1 = Unsigned
Data Rate
Clock Output
0 = PLL OFF
1 = PLL ON
IDAC Offset
Adjustment
Bit 9
IDAC I
Direction
0 = I
on I
1 = I
on I
QDAC Offset
Adjustment
Bit 9
QDAC I
Direction
0 = I
on I
1 = I
on I
OUTB
OUTB
OUTA
OUTA
OFFSET
OFFSET
OFFSET
OFFSET
OFFSET
OFFSET
2
2
Bit 6
LSB, MSB
First, 0 = MSB
1 = LSB
Filter
Interpolation
Rate (1×, 2×, 4×,
8×)
0 = Two-Port
Mode
1 = One-Port
Mode
0 = Automatic
Charge Pump
Control, 1 =
Programmable
IDAC Offset
Adjustment
Bit 8
QDAC Offset
Adjustment
Bit 8
1
Bit 5
Software
Reset on
Logic 1
Modulation
Mode
(None, f
f
DATACLK
Driver
Strength
IDAC Offset
Adjustment
Bit 7
QDAC Offset
Adjustment
Bit 7
S
/4, f
S
/8)
S
/2,
Rev. E | Page 18 of 56
Bit 4
Sleep Mode
Logic 1
Shuts Down
the DAC
Output
Currents
Modulation
Mode
(None, f
f
DATACLK
Invert
0 = No Invert
1 = Invert
IDAC Offset
Adjustment
Bit 6
QDAC Offset
Adjustment
Bit 6
S
QDAC Fine Gain Adjustment
/4, f
IDAC Fine Gain Adjustment
S
/8)
S
/2,
Bit 3
Power-Down
Mode Logic 1
Shuts Down All
Digital and
Analog
Functions
0 = No Zero
Stuffing on
Interpolation
Filters, Logic 1
Enables Zero
Stuffing.
IDAC Offset
Adjustment
Bit 5
QDAC Offset
Adjustment
Bit 5
QDAC Coarse Gain Adjustment
IDAC Coarse Gain Adjustment
Bit 2
1R/2R Mode
DAC Output
Current Set
by One or
Two External
Resistors
0 = 2R,
1 = 1R
1 = Real
Mix Mode
0 = Complex
Mix Mode
ONEPORTCLK
Invert
0 = No Invert
1 = Invert
PLL Charge
Pump
Control
IDAC Offset
Adjustment
Bit 4
QDAC Offset
Adjustment
Bit 4
Version Register
Bit 1
PLL_LOCK
Indicator
0 = e
1 = e
IQSEL Invert
0 = No Invert
1 = Invert
PLL Divide
(Prescaler)
Ratio
PLL Charge
Pump
Control
IDAC Offset
Adjustment
Bit 3
IDAC Offset
Adjustment
Bit 1
QDAC Offset
Adjustment
Bit 3
QDAC Offset
Adjustment
Bit 1
+jωt
−jωt
Bit 0
DATACLK/
PLL_LOCK
Select
0 = PLLLOCK
1 = DATACLK
Q First
0 = I First
1 = Q First
PLL Divide
(Prescaler)
Ratio
PLL Charge
Pump Control
IDAC Offset
Adjustment
Bit 2
IDAC Offset
Adjustment
Bit 0
QDAC Offset
Adjustment
Bit 2
QDAC Offset
Adjustment
Bit 0
AD9775
2

Related parts for AD9775-EBZ