Analog Input ....................(GND – 0.3V) to (V
CC
+ 0.3V)
Digital Input .................................... (GND – 0.3V) to 7V
Digital Output ................... (GND – 0.3V) to (V
CC
+ 0.3V)
Power Dissipation .............................................. 400mW
Operating Temperature Range
LTC1860C/LTC1861C ...............................0°C to 70°C
LTC1860I/LTC1861I .......................... – 40°C to 85°C
LTC1860H/LTC1861H.........................–40°C to 125°C
Storage Temperature Range...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................300°C
pin conFiguraTion
LTC1860
V
REF
IN
+
IN¯
GND
1
2
3
4
TOP VIEW
8
7
6
5
V
CC
SCK
SDO
CONV
LTC1861
CONV
CH0
CH1
AGND
DGND
1
2
3
4
5
TOP VIEW
10
9
8
7
6
V
REF
V
CC
SCK
SDO
SDI
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 210°C/W
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 210°C/W
LTC1860
V
REF
1
IN
+
2
IN
–
3
GND 4
TOP VIEW
8 V
CC
7 SCK
6 SDO
5 CONV
LTC1861
CONV 1
CH0 2
CH1 3
GND 4
TOP VIEW
8 V
CC
7 SCK
6 SDO
5 SDI
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 175°C/W
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 175°C/W
2
18601fb
For more information
www.linear.com/LTC1860
LTC1860/LTC1861
orDer inForMaTion
LEAD FREE FINISH
LTC1860CMS8#PBF
LTC1860IMS8#PBF
LTC1860HMS8#PBF
LTC1860CS8#PBF
LTC1860IS8#PBF
LTC1861CMS#PBF
LTC1861IMS#PBF
LTC1861HMS#PBF
LTC1861CS8#PBF
LTC1861IS8#PBF
TAPE AND REEL
LTC1860CMS8#TRPBF
LTC1860IMS8#TRPBF
LTC1860HMS8#TRPBF
LTC1860CS8#TRPBF
LTC1860IS8#TRPBF
LTC1861CMS#TRPBF
LTC1861IMS#TRPBF
LTC1861HMS#TRPBF
LTC1861CS8#TRPBF
LTC1861IS8#TRPBF
http://www.linear.com/product/LTC1860#orderinfo
PART MARKING
LTWR
LTWS
LTWS
1860
1860I
LTWT
LTWU
LTWU
1861
1861I
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic SO
8-Lead Plastic SO
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
8-Lead Plastic SO
8-Lead Plastic SO
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
18601fb
For more information
www.linear.com/LTC1860
3
LTC1860/LTC1861
conVerTer anD MulTiplexer cHaracTerisTics
The
l
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C.
V
CC
= 5V, V
REF
= 5V, f
SCK
= f
SCK(MAX)
as defined in Recommended Operating Conditions, unless otherwise noted.
SYMBOL
Resolution
No Missing Codes Resolution
INL
Transition Noise
Gain Error
Offset Error
Input Differential Voltage Range
Absolute Input Range
V
REF
Input Range
Analog Input Leakage Current
C
IN
Input Capacitance
LTC1860 SO-8 and MSOP LTC1861 MSOP
,
LTC1861 SO-8
V
IN
= IN
+
– IN
–
IN
+
Input
IN
–
Input
LTC1860 SO-8 and MSOP LTC1861 MSOP
,
(Note 4)
In Sample Mode
During Conversion
l
l
l
l
l
CONDITIONS
l
l
MIN
12
12
TYP
MAX
UNITS
Bits
Bits
(Note 3)
l
±1
0.07
±20
±2
±3
0
–0.05
–0.05
1
12
5
±5
±7
V
REF
V
CC
+ 0.05
V
CC
/2
V
CC
±1
LSB
LSB
RMS
mV
mV
mV
V
V
V
V
µA
pF
pF
DynaMic accuracy
T
A
= 25°C. V
CC
= 5V, f
SAMPLE
= 250kHz, unless otherwise specified.
SYMBOL
SNR
S/(N + D)
THD
PARAMETER
Signal-to-Noise Ratio
Signal-to-Noise Plus Distortion Ratio
Total Hamonic Distortion Up to 5th Harmonic
Full Power Bandwidth
Full Linear Bandwidth
S/(N + D) ≥ 68dB
100kHz Input Signal
100kHz Input Signal
CONDITIONS
MIN
TYP
72
71
77
20
125
MAX
UNITS
dB
dB
dB
MHz
kHz
DigiTal anD Dc elecTrical cHaracTerisTics
SYMBOL
V
IH
V
IL
I
IH
I
IL
V
OH
V
OL
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
Low Level Output Voltage
CONDITIONS
V
CC
= 5.25V
V
CC
= 4.75V
V
IN
= V
CC
V
IN
= 0V
V
CC
= 4.75V, I
O
= 10µA
V
CC
= 4.75V, I
O
= 360µA
V
CC
= 4.75V, I
O
= 1.6mA
The
l
denotes specifications which apply
over the full operating temperature range, otherwise specifications are T
A
= 25°C. V
CC
= 5V, V
REF
= 5V, unless otherwise noted.
MIN
l
l
l
l
l
l
l
TYP
MAX
0.8
2.5
–2.5
UNITS
V
V
µA
µA
V
V
2.4
4.5
2.4
4.74
4.72
0.4
V
4
18601fb
For more information
www.linear.com/LTC1860
LTC1860/LTC1861
DigiTal anD Dc elecTrical cHaracTerisTics
SYMBOL
I
OZ
I
SOURCE
I
SINK
I
REF
I
CC
P
D
PARAMETER
Hi-Z Output Leakage
Output Source Current
Output Sink Current
Reference Current (LTC1860 SO-8,
MSOP and LTC1861 MSOP)
Supply Current
CONDITIONS
CONV = V
CC
V
OUT
= 0V
V
OUT
= V
CC
CONV = V
CC
f
SMPL
= f
SMPL(MAX)
CONV = V
CC
After Conversion
CONV = V
CC
After Conversion, H-Grade
f
SMPL
= f
SMPL(MAX)
f
SMPL
= f
SMPL(MAX)
l
l
l
l
l
l
The
l
denotes specifications which apply
over the full operating temperature range, otherwise specifications are T
A
= 25°C. V
CC
= 5V, V
REF
= 5V, unless otherwise noted.
MIN
TYP
–25
20
0.001
0.05
0.001
0.001
0.85
1.25
3
0.1
3
5
1.3
MAX
±3
UNITS
µA
mA
mA
µA
mA
µA
µA
mA
mV
Power Dissipation
recoMMenDeD operaTing conDiTions
the full operating temperature range, otherwise specifications are T
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