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LTC2672 Datasheet(PDF) 8 Page - Analog Devices

Part # LTC2672
Description  Five-Channel, Low Dropout, 300 mA, Current Source Output, 12-/16-Bit SoftSpan DAC
PDF  27 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC2672 Datasheet(HTML) 8 Page - Analog Devices

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Data Sheet
LTC2672
SPECIFICATIONS
analog.com
Rev. B | 8 of 27
Table 3. 2.85 V ≤ VCC ≤ 5.5 V and 1.71 V ≤ IOVCC ≤ 2.85 V (Continued)
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
fSCK
SCK frequency (50% duty cycle, excludes SDO operation)
15
MHz
t13
TGP high time1
1
μs
t14
TGP low time1
1
μs
1 Guaranteed by design and not production tested.
Timing Diagrams
Figure 2. Timing Diagram for Serial Interface, LDAC, CLR, and Toggle Pins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
X
X
X
X
X
X
X
C3
C2
C1
C0
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
X
D7
D6
D5
D4
D3
D2
D1
D0
CS/LD
SCK
SDI
32-BIT INPUT WORD
FAULT REGISTER (FR) BITS
COMMAND WORD
ADDRESS WORD
DATA WORD
PREVIOUS 24-BIT INPUT WORD + 8-BIT FAULT REGISTER
FR6
FR5
FR4
FR3
FR2
FR1
FR0
C3
C2
C1
C0
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
FR7
(HIGH-Z)
(HIGH-Z)
D7
D6
D5
D4
D3
D2
D1
D0
SDO
Figure 3. LTC2672 32-Bit Command Sequence
Figure 4. LTC2672 24-Bit Command Sequence



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