LTC6943 查看數據表（PDF） - Linear Technology
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LTC6943
Linear Technology
LTC6943 Datasheet PDF : 16 Pages
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APPLICATIO S I FOR ATIO
12
V+ = 15V
10
V– = 0V
8
V+ = 10V
V– = 0V
6
4
V+ = 5V
V– = 0V
2
0
0 2 4 6 8 10 12 14 16
VIN (V)
6943 • AI04
Figure 4. Individual Switch Charge Injection
vs Input Voltage
LTC6943
OUTSIDE FOIL
CS
PRINTED CIRCUIT
BOARD AREA
1
2
LTC6943
6943 • AI05
Figure 5. Printed Circuit Board Layout
Showing Shielding the Sampling Capacitor
TYPICAL APPLICATIO S
Divide by 2
1/2 LTC6943
VIN
6
7
VOUT = VIN/2
VOUT
1µF
9
1µF
1µF
10
11
12
14
15
0.01µF
VOUT =
0 ≤ VIN
V≤INV/+2
±
1ppm
3 ≤ V+ ≤ 18V
6943 • TA03
Multiply by 2
Ultra Precision Voltage Inverter
1/2 LTC6943
6
7
9
1µF
10
11
12
1/2 LTC6943
6
7
VOUT = –VIN
VIN
9
1µF
1µF
10
VIN 11
12
14
15
0.01µF
14
15
0.01µF
VOUT = 2VIN ± 5ppm
0
3
≤
≤
VVI+N≤≤1V8+V/
2
6943 • TA02
VVO–U<TV=IN–V<INV
±2ppm
+
V+ = +5V, V– = –5V
6943 • TA03
6943f
7
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