MP7612 Exar Corporation, MP7612 Datasheet - Page 7

• Manufacturer Part Number: MP7612
• Description: Octal 12-bit Dac Array D/a Converter With Output Amplifier And Serial Data/address Up Control Logic
• Manufacturer: Exar Corporation

(Data In)
V
SDO
CLK
OUT
SDI
LD
Rev. 3.00
V
OUT
1
0
1
0
1
0
1
0
SDO
CLK
SDI
LD
+FS
–FS
Notes:
Notes:
1
0
1
0
1
0
1
0
V
A3
OUT
RST
V
= 0 V
(1) Because A3 is available immediately after 16th clock edge of DATA Shift-in, only 15 clock cycles are needed to
(1) CLK should be high during the falling edge of LD to insure proper function of the shift register.
OUT
1
0
A2
complete the readback.
t
CH
Note: Reset settling time is <t
A1
Figure 2. Serial Data Input Timing (RST = “1”)
t
CL
t
Figure 1. Serial Data Timing and Loading
DS
A0
Previous Data
t
PD
Figure 3. Reset Operation
t
DH
MSB
D11
t
CKLD2
SD
t
PR
D10
7
+1/2 LSB Error Band
D9
D8
t
HZ1
t
t
CKLD1
LDSU
t
LD
D7
t
SD
HIGH Z
D6
t
HZ2
+1/2 LSB Band
t
LDCK
MP7612
DAC Register
Loaded
D0
A3 (1)