max5741 Maxim Integrated Products, Inc., max5741 Datasheet - Page 12

• Manufacturer Part Number: max5741
• Description: Max5741 10-bit, Low-power, Quad, Voltage-output Dac With Serial Interface
• Manufacturer: Maxim Integrated Products, Inc.

10-Bit, Low-Power, Quad, Voltage-Output
DAC with Serial Interface
Table 2. Serial-Interface Programming Commands
X = Don’t Care
Figure 3. Typical Operating Circuit, Unipolar Output
12
C3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
IN
MAX6050
______________________________________________________________________________________
GND
CONTROL
C2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
OUT
C1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
DAC_
C0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
REF
D9–D0
GND
DATA BITS
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
+2.7V TO +5.5V
S1–S0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
V
MAX5741
DD
DAC
A–D
A–D
A–D
A
B
C
D
A
B
C
D
A
B
C
D
Inp ut r eg i ster tr ansp ar ent, d ata shi fted d i r ectl y to D AC r eg i ster , O U TA up d ated
Inp ut r eg i ster tr ansp ar ent, d ata shi fted d i r ectl y to D AC r eg i ster , O U TB up d ated
Inp ut r eg i ster tr ansp ar ent, d ata shi fted d i r ectl y to D AC r eg i ster , O U TC up d ated
Inp ut r eg i ster tr ansp ar ent, d ata shi fted d i r ectl y to D AC r eg i ster , O U TD up d ated
Data shifted to input register, OUTA unchanged
Data shifted to input register, OUTB unchanged
Data shifted to input register, OUTC unchanged
Data shifted to input register, OUTD unchanged
Shift data from input register to DAC register, OUTA updated
Shift data from input register to DAC register, OUTB updated
Shift data from input register to DAC register, OUTC updated
Shift data from input register to DAC register, OUTD updated
Input registers transparent, data shifted directly to DAC registers,
OUTA–OUTD updated
Data shifted to input registers, OUTA–OUTD unchanged
Shift data from input registers to DAC registers, OUTA–OUTD updated
OUT_
Figure 4. Bipolar Output Circuit
DAC_
REF
R1
FUNCTION
+2.7V TO +5.5V
MAX5741
V
DD
OUT_
R1 = R2
V+
R2
V-
V
OUT