LTC1286 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1286' PDF : 24 Pages View PDF
LTC1286/LTC1298
CONVERTER AND MULTIPLEXER CHARACTERISTICS (Note 5)
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Analog Input Range
REF Input Range (LTC1286)
(Notes 7, 8, and 9)
Analog Input Leakage Current (Note 10)
CONDITIONS
(Note 6)
(Note 7 and 8)
4.5 ≤ VCC ≤ 5.5V
5.5V < VCC ≤ 9V
LTC1286
MIN TYP MAX
LTC1298
MIN TYP MAX
q
12
12
q
±3/4 ±2
±3/4 ±2
q
±1/4 ±3/4
±1/4 ±3/4
q
3/4 ±3
3/4 ±3
q
±2 ±8
±2 ±8
q
–0.05V to VCC + 0.05V
1.5V to VCC + 0.05V
1.5V to 5.55V
q
±1
±1
DIGITAL AND DC ELECTRICAL CHARACTERISTICS (Note 5)
SYMBOL
VIH
VIL
IIH
IIL
VOH
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
VOL
IOZ
ISOURCE
ISINK
RREF
IREF
Low Level Output Voltage
Hi-Z Output Leakage
Output Source Current
Output Sink Current
Reference Input Resistance
(LTC1286)
Reference Current (LTC1286)
ICC
Supply Current
CONDITIONS
VCC = 5.25V
VCC = 4.75V
VIN = VCC
VIN = 0V
VCC = 4.75V, IO = 10µA
VCC = 4.75V, IO = 360µA
VCC = 4.75V, IO = 1.6mA
CS = High
VOUT = 0V
VOUT = VCC
CS = VCC
CS = GND
CS = VCC
tCYC ≥ 640µs, fCLK ≤ 25kHz
tCYC = 80µs, fCLK = 200kHz
CS = VCC
LTC1286, tCYC ≥ 640µs, fCLK ≤ 25kHz
LTC1286, tCYC = 80µs, fCLK = 200kHz
LTC1298, tCYC ≥ 720µs, fCLK ≤ 25kHz
LTC1298, tCYC = 90µs, fCLK = 200kHz
MIN TYP MAX
q
2
q
0.8
q
2.5
q
– 2.5
q
4.0 4.64
q
2.4 4.62
q
0.4
q
±3
– 25
45
5000
55
q
0.001 2.5
q
90 140
q
90 140
q
0.001 ±3.0
q
220 460
q
260 500
q
320 600
q
360 640
DYNAMIC ACCURACY fSMPL = 12.5kHz (LTC1286), fSMPL = 11.1kHz (LTC1298) (Note 5)
SYMBOL
S/(N +D)
THD
SFDR
PARAMETER
Signal-to-Noise Plus Distortion Ratio
Total Harmonic Distortion (Up to 5th Harmonic)
Spurious-Free Dynamic Range
Peak Harmonic or Spurious Noise
CONDITIONS
1kHz/7kHz Input Signal
1kHz/7kHz Input Signal
1kHz/7kHz Input Signal
1kHz/7kHz Input Signal
MIN TYP MAX
71/68
– 84/–80
90/86
– 90/–86
UNITS
Bits
LSB
LSB
LSB
LSB
V
V
V
µA
UNITS
V
V
µA
µA
V
V
V
µA
mA
mA
MΩ
kΩ
µA
µA
µA
µA
µA
µA
µA
µA
UNITS
dB
dB
dB
dB
3
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