(V = 5 V ؎ 5% except as noted, RSET = 3.9 k⍀)
S
AD9850–SPECIFICATIONS
AD9850BRS
Typ
Parameter
Temp
Test Level
Min
Max
Unit
CLOCK INPUT CHARACTERISTICS
Frequency Range
5 V Supply
Full
Full
IV
IV
1
1
125
110
MHz
MHz
3.3 V Supply
Pulse Width High/Low
5 V Supply
3.3 V Supply
25°C
25°C
IV
IV
3.2
4.1
ns
ns
DAC OUTPUT CHARACTERISTICS
Full-Scale Output Current
RSET = 3.9 kΩ
25°C
25°C
25°C
Full
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
V
V
I
V
I
V
I
I
V
IV
IV
I
10.24
20.48
mA
mA
% FS
ppm/°C
µA
RSET = 1.95 kΩ
Gain Error
Gain Temperature Coefficient
Output Offset
Output Offset Temperature Coefficient
Differential Nonlinearity
Integral Nonlinearity
Output Slew Rate (50 Ω, 2 pF Load)
Output Impedance
Output Capacitance
Voltage Compliance
–10
50
+10
10
150
50
nA/°C
LSB
LSB
V/µs
kΩ
0.5
0.5
400
120
0.75
1
8
1.5
pF
V
Spurious-Free Dynamic Range (SFDR)
Wideband (Nyquist Bandwidth)
1 MHz Analog Out
20 MHz Analog Out
40 MHz Analog Out
Narrowband
25°C
25°C
25°C
IV
IV
IV
63
50
46
72
58
54
dBc
dBc
dBc
40.13579 MHz 50 kHz
40.13579 MHz 200 kHz
4.513579 MHz 50 kHz/20.5 MHz CLK
4.513579 MHz 200 kHz/20.5 MHz CLK
25°C
25°C
25°C
25°C
IV
IV
IV
IV
80
77
84
84
dBc
dBc
dBc
dBc
COMPARATOR INPUT CHARACTERISTICS
Input Capacitance
Input Resistance
Input Current
Input Voltage Range
25°C
25°C
25°C
25°C
Full
V
IV
I
IV
VI
3
pF
kΩ
µA
V
500
–12
0
+12
VDD
30
Comparator Offset*
30
mV
COMPARATOR OUTPUT CHARACTERISTICS
Logic 1 Voltage 5 V Supply
Logic 1 Voltage 3.3 V Supply
Full
Full
Full
25°C
25°C
25°C
25°C
25°C
VI
VI
VI
V
V
V
4.8
3.1
V
V
V
ns
ns
ns
ns
ps
Logic 0 Voltage
0.4
Propagation Delay, 5 V Supply (15 pF Load)
Propagation Delay, 3.3 V Supply (15 pF Load)
Rise/Fall Time, 5 V Supply (15 pF Load)
Rise/Fall Time, 3.3 V Supply (15 pF Load)
Output Jitter (p-p)
5.5
7
3
3.5
80
V
V
CLOCK OUTPUT CHARACTERISTICS
Clock Output Duty Cycle (Clk Gen. Config.)
25°C
IV
50 10
%
–2–
REV. H
ADI [ ADI ]
