Datasheet

2
LTC1864/LTC1865
18645f
Operating Temperature Range
LTC1864C/LTC1865C/
LTC1864AC/LTC1865AC ........................ 0°C to 70°C
LTC1864I/LTC1865I/
LTC1864AI/LTC1865AI ..................... –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 LTC1865 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)
Power Dissipation..............................................400mW
(Notes 1, 2)
ORDER PART
NUMBER
MS8 PART MARKING
MS PART MARKING
LTHS
LTHT
LTC1865CMS
LTC1865IMS
LTC1865ACMS
LTC1865AIMS
ORDER PART
NUMBER
LTC1864CMS8
LTC1864IMS8
LTC1864ACMS8
LTC1864AIMS8
LTHQ
LTHR
T
JMAX
= 150°C, θ
JA
= 210°C/W
T
JMAX
= 150°C, θ
JA
= 210°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
LTVL
LTVM
ORDER PART
NUMBER
S8 PART MARKING
S8 PART MARKING
1864
1864I
LTC1864CS8
LTC1864IS8
LTC1864ACS8
LTC1864AIS8
ORDER PART
NUMBER
T
JMAX
= 150°C, θ
JA
= 175°C/W
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
1864A
1864AI
LTVN
LTVP
1865
1865I
LTC1865CS8
LTC1865IS8
LTC1865ACS8
LTC1865AIS8
1865A
1865AI
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
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
LTC1864/LTC1865 LTC1864A/LTC1865A
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution ● 16 16 Bits
No Missing Codes Resolution ● 14 15 Bits
INL (Note 3) ● ±8 ±6 LSB
Transition Noise 1.1 1.1 LSB
RMS
Gain Error ● ±20 ±20 mV
The ● 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.
CO VERTER A D ULTIPLEXER CHARACTERISTICS
U
W
U
Consult LTC Marketing for parts specified with wider operating temperature ranges.