OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

AD5318ARUZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
AD5308/AD5318/AD5328
Rev. F | Page 4 of 28
SPECIFICATIONS
V
DD
= 2.5 V to 5.5 V; V
REF
= 2 V; R
L
= 2 kΩ to GND; C
L
= 200 pF to GND; all specifications T
MIN
to T
MAX
, unless otherwise specified.
Table 1.
A Version
1
B Version
1
Parameter
2
Min Typ Max Min Typ Max Unit Conditions/Comments
DC PERFORMANCE
3, 4
AD5308
Resolution 8 8 Bits
Relative Accuracy ±0.15 ±1 ±0.15 ±0.75 LSB
Differential Nonlinearity ±0.02 ±0.25 ±0.02 ±0.25 LSB Guaranteed monotonic by
design over all codes
AD5318
Resolution 10 10 Bits
Relative Accuracy ±0.5 ±4 ±0.5 ±3 LSB
Differential Nonlinearity ±0.05 ±0.50 ±0.05 ±0.50 LSB Guaranteed monotonic by
design over all codes
AD5328
Resolution 12 12 Bits
Relative Accuracy ±2 ±16 ±2 ±12 LSB
Differential Nonlinearity ±0.2 ±1.0 ±0.2 ±1.0 LSB Guaranteed monotonic by
design over all codes
Offset Error ±5 ±60 ±5 ±60 mV V
DD
= 4.5 V, gain = 2, see
Figure 27 and Figure 28
Gain Error ±0.30 ±1.25 ±0.30 ±1.25 % of FSR V
DD
= 4.5 V, gain = 2, see
Figure 27 and Figure 28
Lower Deadband
5
10 60 10 60 mV Lower deadband exists only
if offset error is negative, see
Figure 27
Upper Deadband
5
10 60 10 60 mV Upper deadband exists only
if V
REF
= V
DD
and offset plus
gain error is positive, see
Figure 28
Offset Error Drift
6
−12 −12 ppm of
FSR/°C
Gain Error Drift
6
−5 −5 ppm of
FSR/°C
DC Power Supply Rejection Ratio
6
−60 −60 dB V
DD
= ±10%
DC Crosstalk
6
200 200 μV R
L
= 2 kΩ to GND or V
DD
DAC REFERENCE INPUTS
6
V
REF
Input Range 1.0 V
DD
1.0 V
DD
V Buffered reference mode
0.25 V
DD
0.25 V
DD
V Unbuffered reference mode
V
REF
Input Impedance (R
DAC
) >10.0 >10.0 MΩ Buffered reference mode
and power-down mode
37.0 45.0 37.0 45.0 kΩ Unbuffered reference mode,
0 V to V
REF
output range
18.0 22.0 18.0 22.0 kΩ Unbuffered reference mode,
0 V to 2 V
REF
output range
Reference Feedthrough −70.0 −70.0 dB Frequency = 10 kHz
Channel-to-Channel Isolation −75.0 −75.0 dB Frequency = 10 kHz
OUTPUT CHARACTERISTICS
6
Minimum Output Voltage
7
0.001 0.001 V This is a measure of the
minimum and maximum
Maximum Output Voltage
7
V
DD
−
0.001
V
DD
− 0.001 V Drive capability of the
output amplifier
DC Output Impedance 0.5 0.5 Ω
AD5308/AD5318/AD5328
Rev. F | Page 5 of 28
A Version
1
B Version
1
Parameter
2
Min Typ Max Min Typ Max Unit Conditions/Comments
Short Circuit Current 25.0 25.0 mA V
DD
= 5 V
16.0 16.0 mA V
DD
= 3 V
Power-Up Time 2.5 2.5 μs Coming out of power-down
mode, V
DD
= 5 V
5.0 5.0 μs Coming out of power-down
mode, V
DD
= 3 V
LOGIC INPUTS
6
Input Current ±1 ±1 μA
V
IL
, Input Low Voltage 0.8 0.8 V V
DD
= 5 V ± 10%
0.8 0.8 V V
DD
= 3 V ± 10%
0.7 0.7 V V
DD
= 2.5 V
V
IH
, Input High Voltage 1.7 1.7 V V
DD
= 2.5 V to 5.5 V, TTL and
CMOS compatible
Pin Capacitance 3.0 3.0 pF
POWER REQUIREMENTS
V
DD
2.5 5.5 2.5 5.5 V
I
DD
(Normal Mode)
8
V
IH
= V
DD
and V
IL
= GND
V
DD
= 4.5 V to 5.5 V 1.0 1.8 1.0 1.8 mA All DACs in unbuffered
mode, in buffered mode
V
DD
= 2.5 V to 3.6 V 0.7 1.5 0.7 1.5 mA Extra current is typically x μA
per DAC; x = (5 μA +
V
REF
/R
DAC
)/4
I
DD
(Power-Down Mode)
9
V
IH
= V
DD
and V
IL
= GND
V
DD
= 4.5 V to 5.5 V 0.4 1 0.4 1 μA
V
DD
= 2.5 V to 3.6 V 0.12 1 0.12 1 μA
1
Temperature range (A, B version): −40°C to +125°C; typical at 25°C.
2
See the Terminology section.
3
DC specifications tested with the outputs unloaded unless stated otherwise.
4
Linearity is tested using a reduced code range: AD5308 (Code 8 to Code 255), AD5318 (Code 28 to Code 1023), and AD5328 (Code 115 to Code 4095).
5
This corresponds to x codes. x = deadband voltage/LSB size.
6
Guaranteed by design and characterization; not production tested.
7
For the amplifier output to reach its minimum voltage, offset error must be negative. For the amplifier output to reach its maximum voltage, V
REF
= V
DD
and offset plus
gain error must be positive.
8
Interface inactive. All DACs active. DAC outputs unloaded.
9
All eight DACs powered down.
V
DD
= 2.5 V to 5.5 V; R
L
= 2 kΩ to GND; C
L
= 200 pF to GND; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2. AC Characteristics
1
A, B Version
2
Parameter
3
Min Typ Max Unit Conditions/Comments
Output Voltage Settling Time V
REF
= V
DD
= 5 V
AD5308 6 8 μs 1/4 scale to 3/4 scale change (0x40 to 0xC0)
AD5318 7 9 μs 1/4 scale to 3/4 scale change (0x100 To 0x300)
AD5328 8 10 μs 1/4 scale to 3/4 scale change (0x400 to 0xC00)
Slew Rate 0.7 V/μs
Major-Code Change Glitch Energy 12 nV-sec 1 LSB change around major carry
Digital Feedthrough 0.5 nV-sec
Digital Crosstalk 0.5 nV-sec
Analog Crosstalk 1 nV-sec
DAC-to-DAC Crosstalk 3 nV-sec
Multiplying Bandwidth 200 kHz V
REF
= 2 V ± 0.1 V p-p, unbuffered mode
Total Harmonic Distortion −70 dB V
REF
= 2.5 V ± 0.1 V p-p, frequency = 10 kHz
1
Guaranteed by design and characterization; not production tested.
2
Temperature range (A, B version): –40°C to +125°C; typical at 25°C.
3
See the Terminology section.
AD5308/AD5318/AD5328
Rev. F | Page 6 of 28
Table 3. Timing Characteristics
1, 2, 3
A, B Version
Parameter Limit at T
MIN
, T
MAX
Unit Conditions/Comments
t
1
33 ns min SCLK cycle time
t
2
13 ns min SCLK high time
t
3
13 ns min SCLK low time
t
4
13 ns min
SYNC
to SCLK falling edge setup time; temperature range (A, B
verstion): −40°C to +105°C
15 ns min
SYNC
to SCLK falling edge setup time; temperature range (A, B
verstion): −40°C to +125°C
t
5
5 ns min Data set up time
t
6
4.5 ns min Data hold time
t
7
0 ns min
SCLK falling edge to SYNC
rising edge
t
8
50 ns min
Minimum SYNC
high time
t
9
20 ns min
LDAC
pulse width
t
10
20 ns min
SCLK falling edge to LDAC
rising edge
t
11
0 ns min
SCLK falling edge to LDAC
falling edge
1
Guaranteed by design and characterization; not production tested.
2
All input signals are specified with t
R
= t
F
= 5 ns (10% to 90% of V
DD
) and timed from a voltage level of (V
IL
+ V
IH
)/2.
3
See Figure 2.
02812-002
SCLK
DIN DB15
DB0
t
1
t
2
t
8
t
3
t
4
t
5
t
6
t
9
t
11
t
7
t
10
NOTES
1
ASYNCHRONOUS LDAC UPDATE MODE.
2
SYNCHRONOUS LDAC UPDATE MODE.
LDAC
1
LDAC
2
SYNC
Figure 2. Serial Interface Timing Diagram
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

AD5318ARUZ

Mfr. #:
Buy AD5318ARUZ
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC OCTAL 10 BIT SPI MICROPWR IC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet