LTC1402_1 Datasheet, PDF (2/24 Pages) Linear Technology – Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown

LTC1402
ABSOLUTE MAXIMUM RATINGS
AV_DD = DV_DD = OV_DD = V_DD (Notes 1, 2)
Supply Voltage (V_DD) ................................................. 6V
Negative Supply Voltage (V_SS) ............................... – 6V
Total Supply Voltage (V_DD to V_SS) .......................... 12V
Analog Input Voltage
(Note 3) .......................... (V_SS – 0.3V) to (V_DD + 0.3V)
Digital Input Voltage
(Note 4) .......................... (V_SS – 0.3V) to (V_DD + 0.3V)
Digital Output Voltage ......... (V_SS – 0.3V) to (V_DD + 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
PACKAGE/ORDER INFORMATION
TOP VIEW
AV_DD 1
AGND1 2
A_IN+ 3
A_IN– 4
V_REF 5
AGND2 6
GAIN 7
BIP/UNI 8
16 CONV
15 SCK
14 VSS
13 DGND
12 DV_DD
11 0V_DD
10 D_OUT
9 OGND
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 150°C/ W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1402CGN
LTC1402IGN
GN PART MARKING
1402
1402I
CONVERTER CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. With internal reference (Note 5).
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity
Offset Error
Full-Scale Error
Full-Scale Tempco
CONDITIONS
(Note 6)
(Note 6)
(Note 6)
(Note 6)
Internal Reference (Note 6)
External Reference
MIN
q 12
q
q
q
q
TYP MAX
±0.35 ±1
±0.25 ±1
±2
± 10
±10 ±15
±15
±1
UNITS
Bits
LSB
LSB
LSB
LSB
ppm/°C
ppm/°C
A ALOG I PUT The q denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T_A = 25°C. (Note 5)
SYMBOL
V_IN
V_CM
I_IN
C_IN
t_ACQ
t_AP
t_JITTER
CMRR
PARAMETER
Analog Differential Input Range (Notes 3, 11)
Analog Common Mode + Differential
Input Range (Note 12)
Analog Input Leakage Current
Analog Input Capacitance
Sample-and-Hold Acquisition Time
Sample-and-Hold Aperture Delay Time
Sample-and-Hold Aperture Delay Time Jitter
Analog Input Common Mode Rejection Ratio
CONDITIONS
Bipolar Mode with BIP/UNI High
4.75V ≤ V_DD ≤ 5.25V
– 5.25V ≤ V_SS ≤ –4.75V
Unipolar Mode with BIP/UNI Low
4.75V ≤ V_DD ≤ 5.25V
– 5.25V ≤ V_SS ≤ 0V
Dual ±5V Supply
Single 5V Supply
(Note 9)
f_IN = 1MHz, V_IN = 2V to – 2V
f_IN = 100MHz, V_IN = 2V to – 2V
MIN TYP MAX
q
± 2.048
q
0 to 4.096
–2.5 to 5
0 to 5
q
1
10
q
57
2.6
1
– 62
– 24
UNITS
V
V
V
V
µA
pF
ns
ns
ps
dB
dB
2