LTC1402
U
W U
W W
U W
PACKAGE/ORDER INFORMATION
ABSOLUTE MAXIMUM RATINGS
AVDD = DVDD = OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD)................................................. 6V
Negative Supply Voltage (VSS) ............................... –6V
Total Supply Voltage (VDD to VSS) .......................... 12V
Analog Input Voltage
(Note 3) .......................... (VSS – 0.3V) to (VDD + 0.3V)
Digital Input Voltage
(Note 4) .......................... (VSS – 0.3V) to (VDD + 0.3V)
Digital Output Voltage......... (VSS – 0.3V) to (VDD + 0.3V)
Power Dissipation.............................................. 250mW
Operation Temperature Range
LTC1402C ............................................... 0°C to 70°C
LTC1402I............................................ –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART
TOP VIEW
NUMBER
AV
1
2
3
4
5
6
7
8
16 CONV
15 SCK
DD
AGND1
+
LTC1402CGN
LTC1402IGN
A
IN
14
13
12
11
10
9
V
SS
–
A
DGND
IN
V
DV
DD
REF
AGND2
GAIN
0V
DD
GN PART MARKING
D
OUT
BIP/UNI
OGND
1402
1402I
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
TJMAX = 125°C, θJA = 150°C/ W
Consult factory for Military grade parts.
U
CONVERTER CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With internal reference (Note 5).
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Bits
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity
Offset Error
●
●
●
●
●
12
(Note 6)
(Note 6)
(Note 6)
(Note 6)
±0.35
±0.25
±2
±1
±1
LSB
LSB
LSB
LSB
±10
±15
Full-Scale Error
±10
Full-Scale Tempco
Internal Reference (Note 6)
External Reference
±15
±1
ppm/°C
ppm/°C
U
U
A ALOG I PUT
The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
Analog Differential Input Range (Notes 3, 11)
Bipolar Mode with BIP/UNI High
●
●
±2.048
V
IN
4.75V ≤ V ≤ 5.25V
DD
–5.25V ≤ V ≤ –4.75V
SS
Unipolar Mode with BIP/UNI Low
0 to 4.096
V
4.75V ≤ V ≤ 5.25V
DD
–5.25V ≤ V ≤ 0V
SS
V
Analog Common Mode + Differential
Input Range (Note 12)
Dual ±5V Supply
Single 5V Supply
–2.5 to 5
0 to 5
V
V
CM
I
Analog Input Leakage Current
●
●
1
µA
pF
ns
ns
ps
IN
C
Analog Input Capacitance
10
IN
t
t
t
Sample-and-Hold Acquisition Time
Sample-and-Hold Aperture Delay Time
Sample-and-Hold Aperture Delay Time Jitter
Analog Input Common Mode Rejection Ratio
(Note 9)
57
ACQ
AP
2.6
1
JITTER
CMRR
f
f
= 1MHz, V = 2V to –2V
= 100MHz, V = 2V to –2V
–62
–24
dB
dB
IN
IN
IN
IN
2