LTC1857 LINEAR [Linear Integrated Systems], LTC1857 Datasheet - Page 2

• Manufacturer Part Number: LTC1857
• Description: 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown
• Manufacturer: LINEAR [Linear Integrated Systems]

CO VERTER A D ULTIPLEXER CHARACTERISTICS
A
The
MUXOUT connected to ADC inputs. (Notes 5, 6)
LTC1857/LTC1858/LTC1859
(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
Unipolar Zero Error
Unipolar Zero Error Drift
Unipolar Zero Error Match
Bipolar Full-Scale Error
Bipolar Full-Scale Error Drift
Bipolar Full-Scale Error Match
Unipolar Full-Scale Error
Unipolar Full-Scale Error Drift
Unipolar 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 .................................................. ±25V
LTC1857C/LTC1858C/LTC1859C ............ 0°C to 70°C
LTC1857I/LTC1858I/LTC1859I .......... – 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
(Notes 7, 15)
(Note 15)
(Note 8)
(Note 8)
External Reference (Note 11)
Internal Reference (Note 11)
External Reference
Internal Reference
External Reference (Note 11)
Internal Reference (Note 11)
External Reference
Internal Reference
Unipolar Mode
Bipolar Mode
W
DD
R
= V
A
DD
TI
) ........... 6V
U
DD
DD
G
+ 0.3V)
+ 0.3V)
S
●
●
●
●
●
●
●
●
●
●
MIN
12
12
–1
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC1857
0 to 10
±0.1
±2.5
±2.5
0.06
TYP MAX
±10
±1
±7
±7
96
MUXOUT
MUXOUT
AGND1
ADC
ADC
COM
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
±0.35
±0.45
±0.45
±0.75
±1.2
T
±1
±9
±4
±6
±5
±5
+
–
+
–
JMAX
1
28-LEAD PLASTIC SSOP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
= 110°C, θ
MIN
G PACKAGE
TOP VIEW
14
14
–1
LTC1858
JA
0 to 10
0.26
±0.1
±2.5
±2.5
= 95°C/W
TYP
±10
±1
±7
±7
96
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CONVST
RD
SCK
SDI
DGND
SDO
BUSY
OV
DV
AV
AGND3
AGND2
REFCOMP
V
±0.15
±0.40
±0.25
±0.85
REF
MAX
±1.5
±17
±15
±10
±12
1.5
DD
DD
DD
±6
±2
U
MIN
16
15
–2
LTC1859
0 to 10
±0.1
±2.5
±2.5
TYP
±10
ORDER PART
±1
±7
±7
96
W
1
LTC1857CG
LTC1857IG
LTC1858CG
LTC1858IG
LTC1859CG
LTC1859IG
NUMBER
A
±0.20
±0.75
MAX
±0.1
±0.4
±28
±10
±25
±15
±15
±3
±8
= 25°C.
4
LSB
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
UNITS
185789f
U
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
RMS
dB
%
%
%
%
V
V