AD9116-EBZ Analog Devices, AD9116-EBZ Datasheet - Page 35

• Manufacturer Part Number: AD9116-EBZ
• Description: Dual, 8-/10-/12-/14-bit Low Power Digital-to-analog Converters
• Manufacturer: Analog Devices

Register
IRCML
Q DAC Gain
QRSET
QRCML
AUXDAC Q
AUX CTLQ
AUXDAC I
AUX CTLI
Reference
Resistor
Address
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
Bit
7
5:0
5:0
7
5:0
7
5:0
7:0
7
6:5
4:2
1:0
7:0
7
6:5
4:2
1:0
5:0
Name
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]
IAUXDAC[7:0]
IAUXEN
IAUXRNG[1:0]
IAUXOFS[2:0]
IAUXDAC[9:8]
RREF[5:0]
Function
1: Enables on-chip R
Changes the value of the on-chip R
the DAC output stage
000000: R
100000: R
111111: R
DAC Q fine gain adjustment; alters the full-scale current as shown in Figure 85
1: Enables on-chip R
Changes the value of the on-chip R
DAC in ~0.25 dB steps (nonlinear), see Figure 84
000000: R
100000: R
111111: R
1: Enables on-chip R
Changes the value of the on-chip R
the DAC output stage
000000: R
100000: R
111111: R
AUXDAC Q output voltage adjustment word LSBs
0x3FF: Sets AUXDAC Q output to full scale
0x200: Sets AUXDAC Q output to midscale
0x000: Sets AUXDAC Q output to bottom of scale
1: Enables AUXDAC Q
00: 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: 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
AUXDAC I output voltage adjustment word LSBs
0x3FF: Sets AUXDAC I output to full scale
0x200: Sets AUXDAC I output to midscale
0x000: Sets AUXDAC I output to bottom of scale
1: Enables AUXDAC I
00: Sets AUXDAC I output voltage range to 2 V
01: Sets AUXDAC I output voltage range to 1.5 V
10: Sets AUXDAC I output voltage range to 1.0 V
11: Sets AUXDAC I output voltage range to 0.5 V
000: Sets AUXDAC I top of range to 1.0 V
001: Sets AUXDAC I top of range to 1.5 V
010: Sets AUXDAC I top of range to 2.0 V
011: Sets AUXDAC I top of range to 2.5 V
100: Sets AUXDAC I top of range to 2.9 V
AUX DAC I output voltage adjustment word MSBs
Permits an adjustment of the on-chip reference voltage and output at REFIO (see Figure 83)
000000: Sets the value of R
100000: Sets the value of R
111111: Sets the value of R
Rev. 0 | Page 35 of 48
SET
SET
SET
SET
SET
SET
SET
SET
SET
= 60 Ω
= 160 Ω
= 260 Ω
= 5 kΩ
= 1.5 kΩ
= 8 kΩ
= 60 Ω
= 160 Ω
= 1260 Ω
CML
CML
CML
adjustment
adjustment
adjustment
REF
REF
REF
to 8 kΩ, V
to 10 kΩ, V
to 12 kΩ, V
AD9114/AD9115/AD9116/AD9117
CML
SET
CML
resistor; this scales the full-scale current of the
resistor; this adjusts the common-mode level of
resistor; this adjusts the common-mode level of
REF
REF
REF
= 0.8 V
= 1.0 V
= 1.2 V