
AD9040A
REV. B
–3–
Test
Level
AD9040AJN/JR
Typ
Parameter (Conditions)
ENCODE INPUT
Logic “1” Voltage
Logic “0” Voltage
Logic “1” Current
Logic “0” Current
Input Capacitance
Encode Pulsewidth (High) (t
EH
)
6
Encode Pulsewidth (Low) (t
EL
)
6
DIGITAL OUTPUTS
Logic “1” Voltage
Logic “0” Voltage
Output Coding
POWER SUPPLY
V
D
Supply Current
+V
S
Supply Current
–V
S
Supply Current
Power Dissipation
Power Supply
Rejection Ratio (PSRR)
7
Temp
Min
Max
Units
Full
Full
Full
Full
+25
°
C
+25
°
C
+25
°
C
VI
VI
VI
VI
V
IV
IV
4.0
V
V
μ
A
μ
A
pF
ns
ns
1.0
±
1
±
1
14
10
10
100
100
Full
Full
VI
VI
4.95
V
V
0.05
Offset Binary
Full
Full
Full
Full
VI
VI
VI
VI
13
89
87
0.94
20
110
105
1.2
mA
mA
mA
W
+25
°
C
I
±
15
mV/V
NOTES
1
“Gain Tempco” is for converter using internal reference; “Temperature
Coefficient” is for bandgap reference only.
2
Output propagation delay (t
PD
) is measured from the 50% point of the falling
edge of the encode command to the min/max voltage levels of the digital
outputs with 10 pF maximum loads.
3
RMS signal to rms noise with analog input signal 1 dB below full scale at
specified frequency.
4
ENCODE = 32 MSPS.
5
3rd order intermodulation measured with analog input frequencies of 2.3 MHz
and 2.4 MHz at 7 dB below full scale.
6
For rated performance at 40 MSPS, duty cycle of encode command should be
50%
±
10%.
7
Measured as the ratio of the change in offset voltage for a 5% change in +V
S
or –V
S
.
Specifications subject to change without notice.
EXPLANATION OF TEST LEVELS
Test Level
I
– 100% Production Tested.
II – 100% production tested at +25
°
C, and sample tested at
specified temperatures. AC testing done on sample basis.
III – Sample Tested Only.
IV – Parameter is guaranteed by design and characterization
testing.
V – Parameter is a typical value only.
VI – All devices are 100% production tested at +25
°
C. 100%
production tested at temperature extremes for military
temperature devices; guaranteed by design and character-
ization testing for industrial devices.
ABSOLUTE MAXIMUM RATINGS
1
±
V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
7 V
V
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7 V
ANALOG IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . –V
S
to +V
S
DIGITAL INPUTS . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to +V
S
V
REF
Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to +V
S
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Operating Temperature
AD9040AJN/JR . . . . . . . . . . . . . . . . . . . . . . . .0
°
C to +70
°
C
Storage Temperature . . . . . . . . . . . . . . . . . –65
°
C to +150
°
C
Maximum Junction Temperature
2
(JN/JR Suffixes) . . . +150
°
C
Lead Soldering Temp (10 sec) . . . . . . . . . . . . . . . . . . . +300
°
C
NOTES
1
Absolute maximum ratings are limiting values to be applied individually, and
beyond which the serviceability of the circuit may be impaired. Functional
operability is not necessarily implied. Exposure to absolute maximum rating
conditions for an extended period of time may affect device reliability.
2
Typical thermal impedances (parts soldered to board):
N Package (Plastic DIP):
θ
JA
= 42
°
C/W;
θ
JC
= 10
°
C/W.
R Package (SOIC):
θ
JA
= 47
°
C/W;
θ
JC
= 10
°
C/W.
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
AD9040AJN
AD9040AJR
AD9040A/PWB
AD9040A/PCB
0
°
C to +70
°
C
0
°
C to +70
°
C
Printed Circuit Board (Only) of Evaluation Circuit
Complete Evaluation Board, Assembled and Tested,
Including AD9040AJR
28-Lead Plastic DIP
28-Lead SOIC Package
N-28
R-28