LTC1667CG Linear Technology, LTC1667CG Datasheet - Page 5

• Manufacturer Part Number: LTC1667CG
• Description: IC D/A CONV 14BIT 50MSPS 28-SSOP
• Manufacturer: Linear Technology

Specifications of LTC1667CG

• Settling Time: 20ns
• Number Of Bits: 14
• Data Interface: Parallel
• Number Of Converters: 1
• Voltage Supply Source: Dual ±
• Power Dissipation (max): 180mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFOR A CE CHARACTERISTICS
–100
–110
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
95
90
85
80
75
70
65
60
55
50
0
0
0.1
0
SFDR vs f
(dBFS) at f
Single Tone SFDR at 50MSPS
0
4-Tone SFDR, f
–6dBFS
–12dBFS
0dBFS
0.46
2
5
OUT
FREQUENCY (MHz)
CLOCK
FREQUENCY (MHz)
0.82
f
10
OUT
and Digital Amplitude
4
CLOCK
= 25MSPS
(MHz)
1.18
15
SFDR = 87dB
f
f
AMPL = 0dBFS
6
SFDR > 82dB
f
f
f
f
f
AMPL = 0dBFS
CLOCK
OUT
CLOCK
OUT1
OUT2
OUT3
OUT4
= 5MSPS
= 1.002MHz
W
= –8.25dBm
= 0.5MHz
= 0.65MHz
= 1.10MHz
= 1.25MHz
= 50MSPS
= 5MSPS
1.54
20
8
1666/7/8 G07
1666/7/8 G04
1666/7/8 G01
U
1.9
10
25
–100
100
90
85
80
75
70
65
60
55
50
–10
–20
–30
–40
–50
–60
–70
–80
–90
90
80
70
60
50
0
0.1
4.5
0
SFDR vs f
(dBFS) at f
2-Tone SFDR
SFDR vs f
–12dBFS
5MSPS
0dBFS
5
OUT
OUT
CLOCK
1.0
FREQUENCY (MHz)
50MSPS
DIGITAL AMPLITUDE = 0dBFS
f
f
OUT
and Digital Amplitude
OUT
and f
–6dBFS
10
(MHz)
5.0
= 50MSPS
(MHz)
25MSPS
CLOCK
SFDR > 86dB
f
f
f
AMPL = 0dBFS
CLOCK
OUT1
OUT2
10
LTC1666/LTC1667/LTC1668
15
= 4.9MHz
= 5.09MHz
= 50MSPS
1666/7/8 G08
1666/7/8 G05
1666/7/8 G02
(LTC1668)
100
20
5.5
–100
–110
–10
–20
–30
–40
–50
–60
–70
–80
–90
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
0
SFDR vs f
f
0
SFDR vs f
(dBFS) at f
0
1
4-Tone SFDR, f
CLOCK
–12dBFS
–6dBFS
I
0dBFS
OUTFS
0.4
4.6
= 25MSPS
2.5
= 2.5mA
OUT
OUT
CLOCK
FREQUENCY (MHz)
I
OUTFS
DIGITAL AMPLITUDE = 0dBFS
0.8
f
8.2
f
and I
OUT
and Digital Amplitude
OUT
CLOCK
= 10mA
= 5MSPS
(MHz)
5
(MHz)
OUTFS
I
OUTFS
11.8
1.2
SFDR > 74dB
f
f
f
f
f
AMPL = 0dBFS
= 50MSPS
CLOCK
OUT1
OUT2
OUT3
OUT4
at
= 5mA
7.5
= 5.02MHz
= 6.51MHz
= 11.02MHz
= 12.51MHz
15.4
= 50MSPS
1.6
1666/7/8 G09
1666/7/8 G06
1666/7/8 G03
5
2.0
10
19