LTC1856 Linear Technology, LTC1856 Datasheet - Page 2

• Manufacturer Part Number: LTC1856
• Description: 100ksps ADC Converters
• Manufacturer: Linear Technology

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CO VERTER A D ULTIPLEXER CHARACTERISTICS
A
The
MUXOUT connected to ADC inputs. (Notes 5, 6)
LTC1854/LTC1855/LTC1856
(Notes 1, 2)
Supply Voltage (OV
Ground Voltage Difference
Analog Input Voltage
Digital Input Voltage (Note 4) ...... (DGND – 0.3V) to 10V
Digital Output Voltage .... (DGND – 0.3V) to (DV
Power Dissipation .............................................. 500mW
Operating Temperature Range
Storage Temperature Range ................. – 65∞C to 150∞C
Lead Temperature (Soldering, 10 sec) ................. 300∞C
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
2
BSOLUTE
DGND, AGND1, AGND2, AGND3 ...................... ±0.3V
ADC
(Note 3) ...................(AGND1 – 0.3V) to (AV
CH0-CH7, COM .................................................. ±30V
LTC1854C/LTC1855C/LTC1856C ............ 0∞C to 70∞C
LTC1854I/LTC1855I/LTC1856I .......... – 40∞C to 85∞C
●
U
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
+
, ADC
–
W
DD
A
U
= DV
XI
W
DD
W
= AV
U
CONDITIONS
(Note 7)
(Note 8)
External Reference (Note 11)
Internal Reference (Note 11)
External Reference
Internal Reference
W
DD
R
= V
A
DD
TI
) ........... 6V
U
DD
DD
G
+ 0.3V)
+ 0.3V)
S
●
●
●
●
●
●
●
MIN
12
12
–1
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER I FOR ATIO
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
LTC1854
LTC1854CG
LTC1854IG
±0.1
±2.5
0.06
TYP MAX
±10
±7
96
±0.34
±0.45
±1
±5
1
3
5
MUXOUT
MUXOUT
MIN
14
14
–1
AGND1
ORDER PART NUMBER
ADC
ADC
COM
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
T
http://www.linear.com/leadfree/
LTC1855
+
–
+
–
JMAX
0.25
±0.1
±2.5
28-LEAD PLASTIC SSOP
TYP
±10
10
11
12
13
14
1
2
3
4
5
6
7
8
9
±7
96
LTC1855CG
LTC1855IG
= 110∞C, q
G PACKAGE
TOP VIEW
±0.14
±0.40
MAX
±1.5
1.5
±8
10
4
JA
= 95∞C/W
U
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MIN
16
15
–2
CONVST
RD
SCK
SDI
DGND
SDO
BUSY
OV
DV
AV
AGND3
AGND2
REFCOMP
V
REF
DD
DD
DD
LTC1856
±0.1
±2.5
TYP
±10
±7
96
1
W
LTC1856CG
LTC1856IG
A
MAX
±0.1
±0.4
±23
±3
10
15
= 25∞C.
4
LSB
ppm/∞C
ppm/∞C
ppm/∞C
185456fa
UNITS
U
LSB
LSB
LSB
LSB
LSB
RMS
Bits
Bits
dB
%
%
V