Datasheet

2
LTC1966
sn1966 1966fas
Supply Voltage
V
DD
to GND .............................................. –0.3 to 7V
V
DD
to V
SS
............................................ –0.3V to 12V
V
SS
to GND............................................. –7V to 0.3V
Input Currents (Note 2) ..................................... ±10mA
Output Current (Note 3)..................................... ±10mA
ENABLE Voltage ..................... V
SS
– 0.3V to V
SS
+ 12V
OUT RTN Voltage.............................. V
SS
– 0.3V to V
DD
Operating Temperature Range (Note 4)
LTC1966C/LTC1966I ......................... –40°C to 85°C
Specified Temperature Range (Note 5)
LTC1966C/LTC1966I ......................... –40°C to 85°C
Maximum Junction Temperature ......................... 150°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
LTC1966CMS8
LTC1966IMS8
T
JMAX
= 150°C, θ
JA
= 220°C/W
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
(Note 1)
MS8 PART MARKING
LTTG
LTTH
1
2
3
4
GND
IN1
IN2
V
SS
8
7
6
5
ENABLE
V
DD
OUT RTN
V
OUT
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25°C. V
DD
= 5V, V
SS
= –5V, V
OUTRTN
= 0V, C
AVE
= 10µF, V
IN
= 200mV
RMS
,
V
ENABLE
= 0.5V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Conversion Accuracy
G
ERR
Conversion Gain Error 50Hz to 1kHz Input (Notes 6, 7) ±0.1 ±0.3 %
● ±0.4 %
V
OOS
Output Offset Voltage (Notes 6, 7) 0.1 0.2 mV
● 0.4 mV
LIN
ERR
Linearity Error 50mV to 350mV (Notes 7, 8) ● 0.02 0.15 %
PSRR Power Supply Rejection (Note 9) 0.02 0.15 %/V
● 0.20 %/V
V
IOS
Input Offset Voltage (Notes 6, 7, 10) 0.2 0.8 mV
● 1.0 mV
Accuracy vs Crest Factor (CF)
CF = 4 60Hz Fundamental, 200mV
RMS
(Note 11) ● –1 2 mV
CF = 5 60Hz Fundamental, 200mV
RMS
(Note 11) ● –20 30 mV
Input Characteristics
I
VR
Input Voltage Range ● V
SS
V
DD
V
Z
IN
Input Impedance Average, Differential (Note 12) 8 MΩ
Average, Common Mode (Note 12) 100 MΩ
CMRRI Input Common Mode Rejection (Note 13) ● 7 200 µV/V
V
IMAX
Maximum Input Swing Accuracy = 1% (Note 14) ● 1 1.05 V
V
IMIN
Minimum RMS Input ● 5mV
PSRRI Power Supply Rejection V
DD
Supply (Note 9) ● 250 600 µV/V
V
SS
Supply (Note 9) ● 120 300 µV/V