MAX5534ETC Maxim Integrated, MAX5534ETC Datasheet - Page 20

• Manufacturer Part Number: MAX5534ETC
• Description: Digital to Analog Converters - DAC
• Manufacturer: Maxim Integrated

Specifications of MAX5534ETC

• Number Of Converters: 2
• Number Of Dac Outputs: 2
• Resolution: 12 bit
• Interface Type: QSPI, SPI, Serial (3-Wire, Microwire)
• Settling Time: 660 us
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN EP
• Minimum Operating Temperature: - 40 C
• Output Type: Voltage
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 1.8 V
• Voltage Reference: External

Dual, Ultra-Low-Power,
12-Bit, Voltage-Output DACs
Figure 7. Bipolar Output Circuit
Figure 8. Separate Force-Sense Outputs Create Unity and
Greater-than-Unity DAC Gains Using the Same Reference
20
REFIN
REFIN
______________________________________________________________________________________
1/2 MAX5534
DAC
DAC
DAC
MAX5534
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+
V-
4096
4096
N
N
DACA
DACB
(
1 +
V
OUT
R1
R2
)
Figure 9. Software-Configurable Output Gain
Figure 10. Self-Biased Two-Electrode Potentiostat Application
SCLK
CS1
CS2
DIN
REFIN
REF
DAC
1/2 MAX5535
BAND
1/2 MAX5534
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
4096
I
W
F
VOUT
SENSOR
N
DAC
WE
CE
(
R
1 +
C
F
H
L
L
255 - N
RATIOMETRIC
MAX5401
SOT-POT
5PPM/ C
100k
TEMPCO
255
TO ADC
TO ADC
TO ADC
POT
)
V
OUT