AD7545AKR Analog Devices Inc, AD7545AKR Datasheet - Page 3

• Manufacturer Part Number: AD7545AKR
• Description: IC DAC 12BIT W/BUFF MULT 20-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7545AKR

• Rohs Status: RoHS non-compliant
• Settling Time: 2µs
• Number Of Bits: 12
• Data Interface: Parallel
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Power Dissipation (max): -

TERMINOLOGY
RELATIVE ACCURACY
The amount by which the D/A converter transfer function
differs from the ideal transfer function after the zero and full-
scale points have been adjusted. This is an endpoint linearity
measurement.
DIFFERENTIAL NONLINEARITY
The difference between the measured change and the ideal
change between any two adjacent codes. If a device has a differ-
ential nonlinearity of less than 1 LSB it will be monotonic, i.e.,
the output will always increase for an increase in digital code
applied to the D/A converter.
PROPAGATION DELAY
This is a measure of the internal delay of the circuit and is mea-
sured from the time a digital input changes to the point at which
the analog output at OUT1 reaches 90% of its final value.
DIGITAL-TO-ANALOG GLITCH IMPULSE
This is a measure of the amount of charge injected from the
digital inputs to the analog outputs when the inputs change
state. It is usually specified as the area of the glitch in nV secs
and is measured with V
the output op amp, C1 (phase compensation) = 33 pF.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7545 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
REV. A
ABSOLUTE MAXIMUM RATINGS*
(T
V
Digital Input Voltage to DGND . . . . . . . –0.3 V, V
V
V
AGND to DGND . . . . . . . . . . . . . . . . . –0.3 V, V
Power Dissipation (Any Package) to +75°C . . . . . . . 450 mW
Operating Temperature
(DB0–DB11)
DD
RFB
PIN1
Derates above +75°C . . . . . . . . . . . . . . . . . . . . . . 6 mW/°C
A
DATA IN
SELECT
WRITE
= + 25°C unless otherwise noted)
to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3, +17 V
, V
CHIP
to DGND . . . . . . . . . . . . . . . . . . . . –0.3 V, V
REF
to DGND . . . . . . . . . . . . . . . . . . . . . . . . . ± 25 V
Write Cycle Timing Diagram
REF
= AGND and an ADLH0032CG as
t
V
V
CS
IH
IL
t
WR
DATA VALID
t
DS
t
DH
t
CH
DD
DD
DD
+ 0.3 V
+0.3 V
+0.3 V
V
0
V
0
V
0
DD
DD
DD
–3–
Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . +300°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
Model
AD7545JN
AD7545AQ
AD7545SQ
AD7545KN
AD7545BQ
AD7545TQ
AD7545LN
AD7545CQ
AD7545UQ
AD7545GLN
AD7545GCQ
AD7545GUQ
AD7545JP
AD7545SE
AD7545KP
AD7545TE
AD7545LP
AD7545UE
AD7545GLP
AD7545GUE
NOTES
1
2
3
Analog Devices reserves the right to ship either ceramic (D-20) in lieu of cerdip
packages (Q-20).
To order MIL-STD-883, Class B process parts, add /883B to part number.
Contact local sales office for military data sheet. For U.S. Standard Military
DRAWING (SMD) see DESC drawing 5962-87702.
E = Leadless Ceramic Chip Carrier; N = Plastic DIP; P = Plastic Leaded Chip
Carrier; Q = Cerdip.
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
Commercial (J, K, L, GL) Grades . . . . . . . . 0°C to +70°C
Industrial (A, B, C, GC) Grades . . . . . . . . –25°C to +85°C
Extended (S, T, U, GU) Grades . . . . . . . –55°C to +125°C
WRITE MODE:
CS AND WR LOW, DAC RESPONDS
TO DATA BUS (DB0–DB11) INPUTS.
2
NOTES:
V
V
ALL INPUT SIGNAL RISE AND FALL TIMES MEASURED FROM 10% TO
90% OF V
TIMING MEASUREMENT REFERENCE LEVEL IS V
DD
DD
= +5V; t
= +15V; t
DD
Temperature
Range
0°C to +70°C
–25°C to +85°C
–55°C to +125°C
0°C to +70°C
–25°C to +85°C
–55°C to +125°C
0°C to +70°C
–25°C to +85°C
–55°C to +125°C
0°C to +70°C
–25°C to +85°C
–55°C to +125°C
0°C to +70°C
–55°C to +125°C
0°C to +70°C
–55°C to +125°C
0°C to +70°C
–55°C to +125°C
0°C to +70°C
–55°C to +125°C
r
.
= t
r
= t
f
= 20ns
f
= 40ns
ORDERING GUIDE
MODE SELECTION
Relative
Accuracy
± 2 LSB
± 2 LSB
± 2 LSB
± 1 LSB
± 1 LSB
± 1 LSB
± 1/2 LSB
± 1/2 LSB
± 1/2 LSB
± 1/2 LSB
± 1/2 LSB
± 1/2 LSB
± 2 LSB
± 2 LSB
± 1 LSB
± 1 LSB
± 1/2 LSB
± 1/2 LSB
± 1/2 LSB
± 1/2 LSB
HOLD MODE:
EITHER CS OR WR HIGH, DATA BUS
(DB0–DB11) IS LOCKED OUT; DAC
HOLDS LAST DATA PRESENT WHEN
WR OR CS ASSUMED HIGH STATE.
WARNING!
IH
1
Maximum
Gain Error
T
V
± 20 LSB
± 20 LSB
± 20 LSB
± 10 LSB
± 10 LSB
± 10 LSB
± 5 LSB
± 5 LSB
± 5 LSB
± 1 LSB
± 1 LSB
± 1 LSB
± 20 LSB
± 20 LSB
± 10 LSB
± 10 LSB
± 5 LSB
± 5 LSB
± 1 LSB
± 1 LSB
+ V
A
DD
ESD SENSITIVE DEVICE
IL
= +25 C
/2.
AD7545
= +5 V
Package
Options
N-20
Q-20
Q-20
N-20
Q-20
Q-20
N-20
Q-20
Q-20
N-20
Q-20
Q-20
P-20A
E-20A
P-20A
E-20A
P-20A
E-20A
P-20A
E-20A
3