AD9117-DPG2-EBZ Analog Devices Inc, AD9117-DPG2-EBZ Datasheet - Page 37

• Manufacturer Part Number: AD9117-DPG2-EBZ
• Description: Dual 14B, Low Power D-A Converter
• Manufacturer: Analog Devices Inc

Specifications of AD9117-DPG2-EBZ

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register
IRSET
IRCML
Q DAC Gain
QRSET
QRCML
AUXDAC Q
AUX CTLQ
Address
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
Bit
7
5:0
7
5:0
5:0
7
5:0
7
5:0
7:0
7
6:5
4:2
1:0
Name
IRSETEN
IRSET[5:0]
IRCMLEN
IRCML[5:0]
Q DACGAIN[5:0]
QRSETEN
QRSET[5:0]
QRCMLEN
QRCML[5:0]
QAUXDAC[7:0]
QAUXEN
QAUXRNG[1:0]
QAUXOFS[2:0]
QAUXDAC[9:8]
Description
0 (default): IR
to the FADJI/AUXI pin. Nominal value for this external resistor is 4 kΩ.
1: enables the on-chip IR
Changes the value of the on-chip IR
the DAC in ~0.25 dB steps twos complement (nonlinear), see Figure 98.
000000 (default): IR
011111: IR
100000: IR
111111: IR
0 (default): IR
connected to CMLI pin. Recommended value for this external resistor is 0 Ω.
1: enables on-chip IR
Changes the value of the on-chip IR
common-mode level of the DAC output stage.
000000 (default): IR
100000: IR
111111: IR
DAC Q fine gain adjustment; alters the full-scale current, as shown in Figure 99.
Default QDACGAIN = 0x00.
0 (default): QR
connected to FADJI/AUXI pin. Nominal value for this external resistor is 4 kΩ.
1: enables on-chip QR
Changes the value of the on-chip QR
the DAC in ~0.25 dB steps twos complement (nonlinear).
000000 (default): QR
011111: QR
100000: QR
111111: QR
0 (default): QR
connected to CMLQ pin. Recommended value for this external resistor is 0 Ω.
1: enables on-chip QR
Changes the value of the on-chip QR
common-mode level of the DAC output stage.
000000 (default): QR
100000: QR
111111: QR
AUXDAC Q output voltage adjustment word LSBs.
0x3FF: sets AUXDAC Q output to full scale.
0x200: sets AUXDAC Q output to midscale.
0x000 (default): sets AUXDAC Q output to bottom of scale.
0 (default): AUXDAC Q output disabled.
1: enables AUXDAC Q output.
00 (default): sets AUXDAC Q output voltage range to 2 V.
01: sets AUXDAC Q output voltage range to 1.5 V.
10: sets AUXDAC Q output voltage range to 1.0 V.
11: sets AUXDAC Q output voltage range to 0.5 V.
000 (default): sets AUXDAC Q top of range to 1.0 V.
001: sets AUXDAC Q top of range to 1.5 V.
010: sets AUXDAC Q top of range to 2.0 V.
011: sets AUXDAC Q top of range to 2.5 V.
100: sets AUXDAC Q top of range to 2.9 V.
AUXDAC Q output voltage adjustment word MSBs (default = 00).
Rev. A | Page 37 of 80
SET
SET
SET
CML
CML
SET
SET
SET
CML
CML
= 4 kΩ.
= 1.6 kΩ.
= 2 kΩ.
SET
CML
= 160 Ω.
= 260 Ω.
= 4 kΩ.
= 1.6 kΩ.
= 2 kΩ.
SET
CML
= 160 Ω.
= 260 Ω.
resistor value for I channel is set by an external resistor connected
resistor value for the I channel is set by an external resistor
resistor value for Q channel is set by an external resistor
resistor value for the Q channel is set by an external resistor
SET
CML
SET
CML
CML
SET
CML
= 2 kΩ.
= 60 Ω.
= 2 kΩ.
= 60 Ω.
adjustment for I channel.
SET
adjustment for Q channel.
adjustment.
value to be changed for I channel.
AD9114/AD9115/AD9116/AD9117
SET
CML
SET
CML
resistor; this scales the full-scale current of
resistor for I channel; this adjusts the
resistor; this scales the full-scale current of
resistor for Q channel; this adjusts the