Datasheet

DAC904
8
SBAS095C
www.ti.com
TYPICAL CHARACTERISTICS: V
D
= V
A
= +5V (Cont.)
At T
A
= +25°C, Differential I
OUT
= 20mA, 50Ω double-terminated load, SFDR up to Nyquist, unless otherwise specified.
DUAL-TONE OUTPUT SPECTRUM
Frequency (MHz)
Magnitude (dBm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
5 101520253035404550
f
CLOCK
= 100MSPS
f
OUT1
= 13.5MHz
f
OUT2
= 14.5MHz
SFDR = 63dBc
Amplitude = 0dBFS
FOUR-TONE OUTPUT SPECTRUM
Frequency (MHz)
Magnitude (dBm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
510152025
f
CLOCK
= 50MSPS
f
OUT1
= 6.25MHz
f
OUT2
= 6.75MHz
f
OUT3
= 7.25MHz
f
OUT4
= 7.75MHz
SFDR = 66dBc
Amplitude = 0dBFS
SFDR vs f
OUT
AT 25MSPS
Frequency (MHz)
SFDR (dBc)
85
80
75
70
65
60
55
2.0 4.0 6.0 8.0 10.0 12.00
0dBFS
–6dBFS
SFDR vs f
OUT
AT 50MSPS
Frequency (MHz)
SFDR (dBc)
85
80
75
70
65
60
55
5.0 10.0 15.0 20.0 25.00
–6dBFS
0dBFS
SFDR vs f
OUT
AT 100MSPS
Frequency (MHz)
SFDR (dBc)
85
80
75
70
65
60
55
50
45
10.0 20.0 30.0 40.0 50.00
–6dBFS
0dBFS
SFDR vs f
OUT
AT 125MSPS
Frequency (MHz)
SFDR (dBc)
85
80
75
70
65
60
55
50
45
10.0 20.0 30.0 50.040.0 60.00
0dBFS
–6dBFS
TYPICAL CHARACTERISTICS: V
D
= V
A
= +3V
At T
A
= +25°C, Differential I
OUT
= 20mA, 50Ω double-terminated load, SFDR up to Nyquist, unless otherwise specified.