Datasheet

2
LTC1860L/LTC1861L
18601Lf
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution ● 12 Bits
No Missing Codes Resolution ● 12 Bits
INL (Note 3) ● ±1 LSB
Transition Noise 0.13 LSB
RMS
Gain Error ● ±20 mV
Offset Error ● ±2 ±5mV
Input Differential Voltage Range V
IN
= IN
+
– IN
–
● 0V
REF
V
Absolute Input Range IN
+
Input –0.05 V
CC
+ 0.05 V
IN
–
Input –0.05 V
CC
/2 V
V
REF
Input Range LTC1860L S0-8 and MSOP, LTC1861L MSOP 1 V
CC
V
Analog Input Leakage Current (Note 4) ● ±1 µA
C
IN
Input Capacitance In Sample Mode 12 pF
During Conversion 5 pF
Power Dissipation.............................................. 400mW
Operating Temperature Range
LTC1860LC/LTC1861LC......................... 0°C to 70°C
LTC1860LI/LTC1861LI ...................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Supply Voltage (V
CC
) ................................................. 7V
Ground Voltage Difference
AGND, DGND LTC1861L MSOP Package ......... ±0.3V
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)
(Notes 1, 2)
ORDER PART
NUMBER
MS8 PART MARKING
ORDER PART
NUMBER
LTC1860LCMS8
LTC1860LIMS8
LTD2
LTD3
MS PART MARKING
T
JMAX
= 150°C, θ
JA
= 210°C/W
T
JMAX
= 150°C, θ
JA
= 175°C/W
1
2
3
4
V
REF
IN
+
IN¯
GND
8
7
6
5
V
CC
SCK
SDO
CONV
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
LTC1861LCMS
LTC1861LIMS
LTD4
LTD5
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C.
V
CC
= 2.7V, V
REF
= 2.5V, f
SCK
= f
SCK(MAX)
as defined in Recommended Operating Conditions, unless otherwise noted.
CO VERTER A D ULTIPLEXER CHARACTERISTICS
U
WU
ORDER PART
NUMBER
S8 PART MARKING
LTC1860LCS8
LTC1860LIS8
1860L
1860LI
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
V
REF
IN
+
IN
–
GND
V
CC
SCK
SDO
CONV
ORDER PART
NUMBER
S8 PART MARKING
LTC1861LCS8
LTC1861LIS8
1861L
1861LI
T
JMAX
= 150°C, θ
JA
= 210°C/W
T
JMAX
= 150°C, θ
JA
= 175°C/W
1
2
3
4
5
CONV
CH0
CH1
AGND
DGND
10
9
8
7
6
V
REF
V
CC
SCK
SDO
SDI
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
CONV
CH0
CH1
GND
V
CC
SCK
SDO
SDI