DAC8801IDGK BURR-BROWN [Burr-Brown Corporation], DAC8801IDGK Datasheet - Page 9

• Manufacturer Part Number: DAC8801IDGK
• Description: 14-Bit, Serial Input Multiplying Digital-to-Analog Converter
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

(1)
(1) A full 16-bit data word can be loaded into the serial register, but only the last 14 bits are transferred to the DAC register when CS goes
Data
Bit
high.
www.ti.com
(1)
+ Positive logic transition; X = Don't care
CLK
X
X
X
CLK
+
SDI
CS
(MSB)
D13
B13
B12
D12
D13
Table 2. Serial Input Register Data Format, Data Loaded MSB First
t
CS
(CSS)
H
H
L
+
D12
B11
D11
D11
D10
Serial Shift Register
No effect
Shift register data advanced one bit
No effect
Shift register data transferred to DAC register
B10
D10
Figure 19. DAC8801 Timing Diagram
Table 1. Control Logic Truth Table
t
(DS)
D9
B9
D9
t
(DH)
D8
B8
D8
D7
B7
D7
t
D6
(CH)
D6
t
B6
(CL)
SLAS403A – NOVEMBER 2004 – REVISED DECEMBER 2004
B5
D5
(1)
DAC Register
Latched
Latched
Latched
New data loaded from serial register
B4
D4
D1
D3
B3
t
(CSH)
D0
B2
D2
B1
D1
DAC8801
(LSB)
D0
B0
9