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LTC1860L Datasheet(PDF) 6 Page - Linear Technology

Part No. LTC1860L
Description  Power, 3V, 12-Bit, 150ksps 1- and 2-Channel ADCs in MSOP
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC1860L Datasheet(HTML) 6 Page - Linear Technology

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6
LTC1860L/LTC1861L
18601Lf
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
TEMPERATURE (
°C)
–50
25
75
1860L/61L G13
1860L/61L G14
–25
0
50
100
125
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
1
80
70
60
50
40
30
20
10
0
10
100
1860L/61L G15
fIN (kHz)
1
80
70
60
50
40
30
20
10
0
10
100
1860L/61L G16
fIN (kHz)
1
10
100
1860L/61L G17
100
90
80
70
60
50
40
30
20
10
0
fIN (kHz)
1
10
100
1860L/61L G18
0 5
15
25
35
45
55
65
75
10
20
30
40
50
60
70
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
fIN (kHz)
fIN (kHz)
fS = 150kHz
VCC = 2.7V
VREF = 2.5V
fS = 150kHz
TA = 25°C
VCC = 3V
VIN = 0dB
VREF = 3V
fIN = 1kHz
fS = 150kHz
TA = 25°C
VCC = 3V
VREF = 3V
fS = 150kHz
TA = 25°C
VCC = 3V
VIN = 0dB
VREF = 3V
fS = 150kHz
TA = 25°C
VCC = 3V
VIN = 0dB
VREF = 3V
fS = 150kHz
TA = 25°C
VCC = 3V
VIN = 0dB
VREF = 3V
VREF (Pin 1): Reference Input. The reference input defines
the span of the A/D converter and must be kept free of
noise with respect to GND.
IN+, IN(Pins 2, 3): Analog Inputs. These inputs must be
free of noise with respect to GND.
GND (Pin 4): Analog Ground. GND should be tied directly
to an analog ground plane.
CONV (Pin 5): Convert Input. A logic high on this input
starts the A/D conversion process. If the CONV input is left
PI FU CTIO S LTC1860L
high after the A/D conversion is finished, the part powers
down. A logic low on this input enables the SDO pin,
allowing the data to be shifted out.
SDO (Pin 6): Digital Data Output. The A/D conversion
result is shifted out of this pin.
SCK (Pin 7): Shift Clock Input. This clock synchronizes the
serial data transfer.
VCC (Pin 8): Positive Supply. This supply must be kept
free of noise and ripple by bypassing directly to the
analog ground plane.
TYPICAL PERFOR A CE CHARACTERISTICS
Change in Gain Error vs
Temperature
SNR vs fIN
4096 Point FFT Non Averaged
Signal-to-(Noise + Distortion)
vs fIN
Total Harmonic Distortion
vs fIN
Spurious Free Dynamic Range
vs fIN


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