LTC1854 データシートの表示（PDF） - Linear Technology
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LTC1854 Datasheet PDF : 24 Pages
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LTC1854/LTC1855/LTC1856
ABSOLUTE AXI U RATI GS
(Notes 1, 2)
Supply Voltage (OVDD = DVDD = AVDD = VDD) ........... 6V
Ground Voltage Difference
DGND, AGND1, AGND2, AGND3 ...................... ±0.3V
Analog Input Voltage
ADC+, ADC–
(Note 3) ...................(AGND1 – 0.3V) to (AVDD + 0.3V)
CH0-CH7, COM .................................................. ±30V
Digital Input Voltage (Note 4) ...... (DGND – 0.3V) to 10V
Digital Output Voltage .... (DGND – 0.3V) to (DVDD + 0.3V)
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC1854C/LTC1855C/LTC1856C ............ 0∞C to 70∞C
LTC1854I/LTC1855I/LTC1856I .......... – 40∞C to 85∞C
Storage Temperature Range ................. – 65∞C to 150∞C
Lead Temperature (Soldering, 10 sec) ................. 300∞C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
COM 1
CH0 2
CH1 3
CH2 4
CH3 5
CH4 6
CH5 7
CH6 8
CH7 9
MUXOUT+ 10
MUXOUT– 11
ADC+ 12
ADC– 13
AGND1 14
28 CONVST
27 RD
26 SCK
25 SDI
24 DGND
23 SDO
22 BUSY
21 OVDD
20 DVDD
19 AVDD
18 AGND3
17 AGND2
16 REFCOMP
15 VREF
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 110∞C, qJA = 95∞C/W
ORDER PART NUMBER
LTC1854CG
LTC1854IG
LTC1855CG
LTC1855IG
LTC1856CG
LTC1856IG
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CO VERTER A D ULTIPLEXER CHARACTERISTICS
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25∞C.
MUXOUT connected to ADC inputs. (Notes 5, 6)
PARAMETER
Resolution
No Missing Codes
Transition Noise
Integral Linearity Error
Differential Linearity Error
Bipolar Zero Error
Bipolar Zero Error Drift
Bipolar Zero Error Match
Bipolar Full-Scale Error
Bipolar Full-Scale Error Drift
Bipolar Full-Scale Error Match
Input Common Mode Range
Input Common Mode Rejection Ratio
CONDITIONS
●
●
(Note 7)
●
●
(Note 8)
●
External Reference (Note 11) ●
Internal Reference (Note 11)
External Reference
Internal Reference
●
LTC1854
MIN TYP MAX
12
12
0.06
±1
–1
1
±5
±0.1
3
±0.34
±0.45
±2.5
±7
5
±10
96
LTC1855
MIN TYP MAX
14
14
0.25
±1.5
–1
1.5
±8
±0.1
4
±0.14
±0.40
±2.5
±7
10
±10
96
LTC1856
MIN TYP MAX UNITS
16
Bits
15
Bits
1
LSBRMS
±3
LSB
–2
4
LSB
±23 LSB
±0.1
ppm/∞C
10
LSB
±0.1
%
±0.4
%
±2.5
ppm/∞C
±7
ppm/∞C
15
LSB
±10
V
96
dB
185456fa
2
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