max5523euat Maxim Integrated Products, Inc., max5523euat Datasheet - Page 19

• Manufacturer Part Number: max5523euat
• Description: Dual, Ultra-low-power, 10-bit, Voltage-output Dacs
• Manufacturer: Maxim Integrated Products, Inc.

Digital and AC transient signals coupling to GND can
create noise at the output. Use proper grounding tech-
niques, such as a multilayer board with a low-inductance
ground plane. Wire-wrapped boards and sockets are not
recommended. For optimum system performance, use
printed circuit (PC) boards. Good PC board ground lay-
out minimizes crosstalk between DAC outputs, reference
inputs, and digital inputs. Reduce crosstalk by keeping
analog lines away from digital lines.
Figure
Figure
Greater-than-Unity DAC Gains Using the Same Reference
REFIN
REFIN
7. Bipolar Output Circuit
8. Separate Force-Sense Outputs Create Unity and
1/2 MAX5524
1/2 MAX5524
DAC
DAC
DAC
______________________________________________________________________________________
Layout Considerations
FBA
FBB
VOUTA
VOUTB
10k
R2
R1
OUT_
FB_
N
OF THE DAC A INPUT CODE.
N
OF THE DAC B INPUT CODE.
V
V
V
V
DACA
DACB
OUT1
OUT2
OUT1
OUT2
=
IS THE NUMERIC VALUE
=
IS THE NUMERIC VALUE
V
V
REFIN
REFIN
10k
V+
1024
1024
V-
N
N
DACA
DACB
10-Bit, Voltage-Output DACs
(
1 +
V
OUT
R1
R2
)
Dual, Ultra-Low-Power,
Figure
Figure
SCLK
CS1
CS2
DIN
9. Software-Configurable Output Gain
10. Self-Biased Two-Electrode Potentiostat Application
REFIN
REF
DAC
1/2 MAX5524
1/2 MAX5525
BAND
GAP
DAC
1.8V V
N
N
DD
DAC
POT
FB
5.5V
IS THE NUMERIC VALUE OF THE POT INPUT CODE.
IS THE NUMERIC VALUE OF THE DAC INPUT CODE.
REFOUT
V
OUT
OUT
FB
=
V
REFIN
1024
I
F
W
SENSOR
VOUT
N
WE
CE
DAC
R
(
C
F
1 +
H
L
L
255 - N
RATIOMETRIC
MAX5401
SOT-POT
5PPM/ C
255
100k
TEMPCO
TO ADC
TO ADC
TO ADC
POT
)
V
OUT
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