
AD9854 PRELIMINARY TECHNICAL DATA
_____________________________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
1
Maximum Junction Temp. ....................................+150° C
Storage Temperature ............................
Vs ............................................................
+4 V
Operating Temp. ..................................
Digital Inputs ................................
-0.7 V to +Vs
Lead Temp. (10 sec. soldering) ...........................
Digital Output Current ...............................
5 mA
Maximum Clock Frequency…………………… TBD MHz
7/16/99 REV.PRA
3
-65° C to +165° C
-40° C to +85° C
+300° C
AD9854 PRELIMINARY ELECTRICAL SPECIFICATIONS
(V
S
=+3.3 V
±
5%, R
SET
=3.9 k
,
External reference clock frequency = 30 MHz with REFCLK Multiplier enabled at 10
×
) unless otherwise noted.
___________________________________________________________________________________________________
Parameter
Temp
REF CLOCK INPUT CHARACTERISTICS
2
Internal Clock Frequency Range
FULL
External REF Clock Frequency Range:
REFCLK Multiplier Enabled
FULL
REFCLK Multiplier Disabled
FULL
Duty Cycle
+25°C
Input Capacitance
+25°C
Input Impedance
+25°C
Common-mode Voltage Range (Differential Mode)
+25°C
V
IH
(Single-ended Mode)
+25°C
V
IL
(Single-ended Mode)
+25°C
DAC STATIC OUTPUT CHARACTERISTICS
Output Update Speed
FULL
Resolution
+25°C
I & Q Full-Scale Output Current
+25°C
I & Q DAC DC Gain Imbalance
+25°C
Gain error
+25°C
Output Offset
+25°C
Differential Non-linearity
+25°C
Integral Non-linearity
+25°C
Output Impedance
+25°C
Voltage Compliance Range
+25°C
DAC DYNAMIC OUTPUT CHARACTERISTICS
I & Q DAC Quadrature Phase Error
+25°C
Wideband SFDR:
1 to 20 MHz Aout
+25°C
20 to 40 MHz Aout
+25°C
40 to 60 MHz Aout
+25°C
60 to 80 MHz Aout
+25°C
80 to 100 MHz Aout
+25°C
100 to 120 MHz Aout
+25°C
Narrowband SFDR:
10 MHz Aout (
±
1 MHz)
+25°C
10 MHz Aout (
±
250 kHz)
+25°C
10 MHz Aout (
±
50 kHz)
+25°C
10 MHz Aout (
±
10 kHz)
+25°C
30 MHz Aout (
±
1 MHz)
+25°C
30 MHz Aout (
±
250 kHz)
+25°C
30 MHz Aout (
±
50 kHz)
+25°C
30 MHz Aout (
±
10 kHz)
+25°C
50 MHz Aout (
±
1 MHz)
+25°C
50 MHz Aout (
±
250 kHz)
+25°C
50 MHz Aout (
±
50 kHz)
+25°C
50 MHz Aout (
±
10 kHz)
+25°C
70 MHz Aout (
±
1 MHz)
+25°C
70 MHz Aout (
±
250 kHz)
+25°C
70 MHz Aout (
±
50 kHz)
+25°C
Test Level
Min Typ Max
Units
VI
5
300
MHz
VI
VI
V
IV
IV
5
5
75
300
MHz
MHz
%
pF
M
V
V
V
50
3
100
TBD
TBD
TBD
I
300
MSPS
Bits
mA
%
%FS
uA
lsb
lsb
k
V
IV
IV
V
I
I
I
I
I
I
12
10
<1
5
20
-10
+10
10
.5
1
100
-0.5
+1.0
V
<.1
degrees
V
V
V
V
V
V
TBD
TBD
TBD
TBD
TBD
TBD
70
65
60
55
55
55
dBC
dBC
dBC
dBC
dBC
dBC
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC
dBC