AD7302 Analog Devices, AD7302 Datasheet - Page 3

• Manufacturer Part Number: AD7302
• Description: 2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7302

• Resolution (bits): 8bit
• Dac Update Rate: 833kSPS
• Dac Settling Time: 1.2µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par

TIMING CHARACTERISTICS
Parameter
t
t
t
t
t
t
t
t
t
t
NOTES
1
2
REV. 0
Sample tested at +25 C to ensure compliance. All input signals are specified with tr = tf = 5 ns (10% to 90% of V
See Figure 1.
1
2
3
4
5
6
7
8
9
10
(V
IL
+ V
IH
)/2. tr and tf should not exceed 1 s on any digital input.
D7–D0
LDAC
CLR
A/B
WR
CS
Limit at T
(B Version)
0
0
0
0
20
15
4.5
20
20
20
Figure 1. Timing Diagram for Parallel Data Write
1, 2
MIN
, T
t
1
(V
all specifications T
t
MAX
3
DD
= +2.7 V to +5.5 V; GND = 0 V; Reference = Internal V
t
5
t
6
Units
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
MIN
t
7
–3–
t
t
to T
2
4
t
8
MAX
unless otherwise noted)
t
t
10
9
DD
Conditions/Comments
Address to Write Setup Time
Address Valid to Write Hold Time
Chip Select to Write Setup Time
Chip Select to Write Hold Time
Write Pulse Width
Data Setup Time
Data Hold Time
Write to LDAC Setup Time
LDAC Pulse Width
CLR Pulse Width
) and timed from a voltage level of
DD
/2 Reference;
AD7302