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| LTC1863 Datasheet, PDF (2/16 Pages) Linear Technology – 12-/16-Bit, 8-Channel 200ksps ADCs | |||
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LTC1863/LTC1867
ABSOLUTE AXI U RATI GS
(Notes 1, 2)
Supply Voltage (VDD) ................................... â0.3V to 6V
Analog Input Voltage
CH0-CH7/COM (Note 3) .......... â 0.3V to (VDD + 0.3V)
VREF, REFCOMP (Note 4)......... â 0.3V to (VDD + 0.3V)
Digital Input Voltage (SDI, SCK, CS/CONV)
(Note 4) .................................................â 0.3V to 10V
Digital Output Voltage (SDO) ....... â 0.3V to (VDD + 0.3V)
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC1863C/LTC1867C/LTC1867AC .......... 0°C to 70°C
LTC1863I/LTC1867I/LTC1867AI ........ â 40°C to 85°C
Storage Temperature Range ................. â 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CH0 1
CH1 2
CH2 3
CH3 4
CH4 5
CH5 6
CH6 7
CH7/COM 8
16 VDD
15 GND
14 SDI
13 SDO
12 SCK
11 CS/CONV
10 VREF
9 REFCOMP
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
TJMAX = 110°C, θJA = 95°C/W
ORDER PART
NUMBER
LTC1863CGN
LTC1863IGN
LTC1867CGN
LTC1867IGN
LTC1867ACGN
LTC1867AIGN
GN PART MARKING
1863
1867
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CO VERTER CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With external reference (Notes 5, 6)
PARAMETER
CONDITIONS
LTC1863
LTC1867
LTC1867A
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Resolution
q 12
16
16
Bits
No Missing Codes
q 12
15
16
Bits
Integral Linearity Error
Unipolar (Note 7)
q
±1
Bipolar
q
±1
±4
±2
LSB
±4
±2.5
LSB
Differential Linearity Error
q
±1 â2
3
â1
1.75
LSB
Transition Noise
Offset Error
Unipolar (Note 8)
q
Bipolar
q
0.1
±3
±4
0.74
±32
±64
0.74
LSBRMS
±32
LSB
±64
LSB
Offset Error Match
Unipolar
Bipolar
±1
±2
±2
LSB
±1
±2
±2
LSB
Offset Error Drift
±0.5
±0.5
±0.5
ppm/°C
Gain Error
Unipolar
Bipolar
±6
±96
±64
LSB
±6
±96
±64
LSB
Gain Error Match
±1
±4
±2
LSB
Gain Error Tempco
Internal Reference
External Reference
±15
±15
±15
ppm/°C
±2.7
±2.7
±2.7
ppm/°C
Power Supply Sensitivity
VDD = 4.75V â 5.25V
±1
±5
±5
LSB
DY A IC ACCURACY (Note 5)
SYMBOL
SNR
S/(N+D)
PARAMETER
Signal-to-Noise Ratio
Signal-to-(Noise + Distortion) Ratio
CONDITIONS
1kHz Input Signal
1kHz Input Signal
LTC1863
MIN TYP MAX
73.6
73.5
LTC1867/LTC1867A
MIN TYP MAX
89
88
UNITS
dB
dB
18637f
2
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