LTC1860 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1860

µPower, 12-Bit, 250ksps 1- and 2-Channel ADCs in MSOP

Linear Technology

'LTC1860' PDF : 16 Pages View PDF

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LTC1860/LTC1861
TYPICAL PERFORMANCE CHARACTERISTICS
Change in Offset Error vs
Reference Voltage
5
TA = 25oC
4
VCC = 5V
3
2
1
0
–1
–2
–3
–4
–5
0
1
2
3
4
5
REFERENCE VOLTAGE (V)
1860/61 G10
Change in Gain Error vs
Temperature
1.0
VCC = 5V
0.8 VREF = 5V
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
–50 –25
0 25 50 75
TEMPERATURE (oC)
100 125
1860/61 G13
Signal-to-(Noise + Distortion)
vs fIN
100
90
TA = 25oC
VCC = 5V
80 VIN = 0dB
70
SNR
60
50
SINAD
40
30
20
10
0
1
10
100
1000 10000
fIN (kHz)
1860/61 G16
Change in Offset vs Temperature
1.0
VCC = 5V
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (oC)
1860/61 G11
Signal-to-(Noise + Distortion)
vs Input Level
80
fIN = 10kHz
70 TA = 25oC
VCC = 5V
60
50
40
30
20
10
0
–40 –35 –30 –25 –20 –15 –10 –5 0
INPUT LEVEL (dB)
1195 G20
Total Harmonic Distortion
vs fIN
0
–10
TA = 25oC
VCC = 5V
–20 VIN = 0dB
–30
–40
–50
–60
–70
–80
–90
–100
1
10
100
fIN (kHz)
1000
1860/61 G17
8
Change in Gain Error vs
Reference Voltage
5
4
VCC = 5V
TA = 25oC
3
2
1
0
–1
–2
–3
–4
–5
0
1
2
3
4
5
REFERENCE VOLTAGE(V)
1860/61 G12
4096 Point FFT
0
fS = 204.1kHz
fIN = 99.5kHz
–20 TA = 25oC
VCC = 5V
–40
–60
–80
–100
–120
0 10 20 30 40 50 60 70 80 90 100
f (kHz)
1860/61 G15
Spurious Free Dynamic Range
vs fIN
100
90
80
70
60
50
40
30
20
10
0
1
TA = 25oC
VCC = 5V
VIN = 0dB
10
100
fIN (kHz)
1000
1860/61 G18
18601fa

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