max5307 Maxim Integrated Products, Inc., max5307 Datasheet - Page 12

• Manufacturer Part Number: max5307
• Description: Low-power, Low-glitch, Octal 12-bit Voltage-output Dacs With Serial Interface
• Manufacturer: Maxim Integrated Products, Inc.

On power-up, all input and DAC registers are cleared
and DOUT is in low.
Low-Power, Low-Glitch, Octal 12-Bit Voltage-
Output DACs with Serial Interface
Figure 4. Timing Diagram
Table 3. Unipolar Code Table
12
1 1 1 1
1 0 0 0
0 1 1 1
0 0 0 0
0 0 0 0
1000
MSB
DAC CONTENTS
______________________________________________________________________________________
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 0
0 0 0 0
0000
Power-Supply Considerations
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 1
0 0 0 0
0001
LSB
CLR
SCLK
DIN
DOUT
CS
*PREVIOUS INPUT DATA
LDAC
V
OUT
_
X
X
X
t
CSPWH
t
DS
+V
t
1
CSS
D15*
D15
REF
ANALOG OUTPUT
+V
+V
+V
+V
t
DH
(
REF
REF
REF
REF
———
2048
4096
2
(
(
(
(
0V
D14*
———
———
———
———
D14
4095
4096
2047
4096
4096
4096
2049
)
1
= ————
t
CL
+V
)
)
)
)
REF
2
t
t
CH
3
t
LDACPWL
CLRPWL
D13*
D13
t
t
SDL
SDH
Bypass V
with a 0.1µF capacitor. Use short lead lengths and
place the bypass capacitors as close to the supply
pins as possible.
4
Table 4. Bipolar Code Table
t
S
D12
D12*
1 1 1 1
1 0 0 0
0 1 1 1
0 0 0 0
0 0 0 0
1000
MSB
DAC CONTENTS
DD
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 0
0 0 0 0
0000
D1
D1*
to GND with a 4.7µF capacitor in parallel
1 1 1 1
0 0 0 0
1 1 1 1
0 0 0 1
0 0 0 0
0001
LSB
16
D0
D0*
±0.5LSB
t
CSH
-V
X
X
ANALOG OUTPUT
REF
X
+V
+V
-V
-V
(
REF
REF
REF
REF
———
2048
2048
(
(
0V
(
(
———
———
———
———
2047
2048
2048
2047
2048
2048
)
1
1
= -V
)
)
)
)
REF