LTC1668IG データシートの表示（PDF） - Linear Technology
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LTC1668IG Datasheet PDF : 24 Pages
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LTC1666/LTC1667/LTC1668
TYPICAL PERFOR A CE CHARACTERISTICS (LTC1668)
SFDR vs Digital Amplitude (dBFS)
and fCLOCK at fOUT = fCLOCK/11
100
95
455kHz AT 5MSPS
90
85
80
4.55MHz AT 50MSPS
75
2.277MHz AT 25MSPS
70
65
60
55
50
–20
–15
–10
–5
0
DIGITAL AMPLITUDE (dBFS)
1666/7/8 G10
Differential Output
Full-Scale Transition
V(IOUTA) – V(IOUTB)
SFDR vs Digital Amplitude (dBFS)
and fCLOCK at fOUT = fCLOCK/5
100
95
90 1MHz AT 5MSPS
85
5MHz AT 25MSPS
80
75
70
10MHz AT 50MSPS
65
60
55
50
–20
–15
–10
–5
0
DIGITAL AMPLITUDE (dBFS)
1666/7/8 G11
Single-Ended Output
Full-Scale Transition
Single-Ended Outputs
Full-Scale Transition
100mV
/DIV
CLK IN
5V/DIV
0000
V(IOUTB)
FFFF
V(IOUTA)
CLOCK INPUT
5ns/DIV
1666/7/8 G12
Differential Output
Full-Scale Transition
V(IOUTA) – V(IOUTB)
100mV
/DIV
0000
FFFF
CLK IN
5V/DIV
5ns/DIV
1666/7/8 G13
Single-Ended Midscale
Glitch Impulse
V(IOUTA), V(IOUTB)
100mV
/DIV
FFFF
0000
V(IOUTA)
CLK IN
5V/DIV
V(IOUTB)
CLOCK INPUT
5ns/DIV
1666/7/8 G14
Differential Midscale
Glitch Impulse
V(IOUTA) – V(IOUTB)
7FFF
1mV/DIV
8000
7FFF
1mV/DIV
8000
CLK IN
5V/DIV
5ns/DIV
CLK IN
5V/DIV
1666/7/8 G16
5ns/DIV
1666/7/8 G17
100mV
/DIV
FFFF
0000
CLK IN
5V/DIV
5ns/DIV
1666/7/8 G15
Integral Nonlinearity
5
4
3
2
1
0
–1
–2
–3
–4
–5
16384 32768 49152 65535
DIGITAL INPUT CODE
1666/7/8 G18
6
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