AD7303 Analog Devices, AD7303 Datasheet - Page 3

• Manufacturer Part Number: AD7303
• Description: +2.7 V to +5.5 V, Serial Input, Dual Voltage Output 8-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7303

• 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: Ser,SPI

TIMING CHARACTERISTICS
Parameter
t
t
t
t
t
t
t
t
NOTES
1
2
REV. 0
1
2
3
4
5
6
7
8
Sample tested at +25 C to ensure compliance. All input signals are specified with tr = tf = 5 ns (10% to 90% of V
tr and tf should not exceed 1 s on any input.
See Figures 1 and 2.
SCLK (I)
SYNC (I)
SYNC (I)
SCLK (I)
DIN (I)
DIN (I)
Limit at T
33
13
13
5
5
4.5
4.5
33
t
8
t
8
DB15
t
t
DB15
5
4
t
t
5
4
MIN
t
6
t
Figure 1. Timing Diagram for Continuous 16-Bit Write
6
, T
1, 2
Figure 2. Timing Diagram for 2
MAX
(V
T
(B Version)
MIN
DD
to T
= +2.7 V to +5.5 V; GND = 0 V; Reference = Internal V
t
2
t
2
MAX
unless otherwise noted)
t
1
t
1
t
DB8
3
t
3
–3–
DB0
t
7
Units
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
t
4
8-Bit Writes
t
DB7
5
t
6
DD
) and timed from a voltage level of (V
DD
Conditions/Comments
SCLK Cycle Time
SCLK High Time
SCLK Low Time
SYNC Setup Time
Data Setup Time
Data Hold Time
SYNC Hold Time
Minimum SYNC High Time
/2 Reference; all specifications
DB0
AD7303
t
7
IL
+ V
IH
)/2,