AD7568 Analog Devices, AD7568 Datasheet - Page 3

• Manufacturer Part Number: AD7568
• Description: Octal 12-Bit CMOS DAC
• Manufacturer: Analog Devices

Specifications of AD7568

• Resolution (bits): 12bit
• Dac Update Rate: 2MSPS
• Dac Settling Time: 500ns
• Max Pos Supply (v): +5.25V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser

REV. C
TIMING SPECIFICATIONS
Parameter
t
t
t
t
t
t
t
t
t
NOTES
1
2
Sample tested at +25 C to ensure compliance. All input signals are specified with tr = tf = 5 ns (10% to 90% of 5 V) and timed from a voltage level of 1.6 V.
t
1
2
3
4
5
6
7
8
9
8
2
is measured with the load circuit of Figure 2 and defined as the time required for the output to cross 0.8 V or 2.4 V.
Figure 2. Load Circuit for Digital Output
Timing Specifications
TO OUTPUT
PIN
50pF
C
L
Limit at
T
100
40
40
30
30
5
90
70
40
A
= +25 C
LDAC, CLR
SDOUT (O)
CLKIN (I)
1.6mA
200 A
FSIN (I)
SDIN (I)
NOTES
1. AO IS HARDWIRED HIGH OR LOW.
I
I
OL
OH
t
4
(V
t
6
DD
DB15
Limit at
T
100
40
40
30
30
5
90
70
40
= +5 V
A
= –40 C to +85 C
+2.1V
t
5
t
2
Figure 1. Timing Diagram
5%; I
OUT1
= I
t
t
t
1
7
8
OUT2
–3–
DB0
t
9
= 0 V; T
t
DB15
3
Units
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns max
ns min
A
= T
MIN
to T
MAX
, unless otherwise noted)
Description
CLKIN Cycle Time
CLKIN High Time
CLKIN Low Time
FSIN Setup Time
Data Setup Time
Data Hold Time
FSIN Hold Time
SDOUT Valid After CLKIN Falling Edge
LDAC, CLR Pulse Width
DB0
AD7568