LTC1285 データシートの表示（PDF） - Linear Technology
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LTC1285 Datasheet PDF : 24 Pages
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LTC1285/LTC1288
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 (LTC1285)
(Notes 7, 8, and 9)
Analog Input Leakage Current (Note 10)
CONDITIONS
(Note 6)
(Note 7 and 8)
2.7 ≤ VCC ≤ 6V
LTC1285
MIN TYP MAX
LTC1288
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
q
±1
±1
UNITS
Bits
LSB
LSB
LSB
LSB
V
V
V
µA
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
(LTC1285)
Reference Current (LTC1285)
ICC
Supply Current
CONDITIONS
VCC = 3.6V
VCC = 2.7V
VIN = VCC
VIN = 0V
VCC = 2.7V, IO = 10µA
VCC = 2.7V, IO = 360µA
VCC = 2.7V, IO = 400µA
CS = High
VOUT = 0V
VOUT = VCC
CS = VIH
CS = VIL
CS = VCC
tCYC ≥ 640µs, fCLK ≤ 25kHz
tCYC = 134µs, fCLK = 120kHz
CS = VCC
LTC1285, tCYC ≥ 640µs, fCLK ≤ 25kHz
LTC1285, tCYC = 134µs, fCLK = 120kHz
LTC1288, tCYC ≥ 720µs, fCLK ≤ 25kHz
LTC1288, tCYC = 150µs, fCLK = 120kHz
MIN TYP MAX
q
2
q
0.8
q
2.5
q
– 2.5
q
2.4 2.64
q
2.1 2.30
q
0.4
q
±3
– 10
15
2700
54
q
0.001 2.5
50
q
50 70
q
0.001 ±3.0
150
q
160 320
200
q
210 390
UNITS
V
V
µA
µA
V
V
V
µA
mA
mA
MΩ
kΩ
µA
µA
µA
µA
µA
µA
µA
µA
DYNAMIC ACCURACY fSMPL = 7.5kHz (LTC1285), fSMPL = 6.6kHz (LTC1288) (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 Input Signal
1kHz Input Signal
1kHz Input Signal
1kHz Input Signal
MIN TYP MAX
67
– 80
88
– 88
UNITS
dB
dB
dB
dB
3
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