
2
LTC1412
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
AVDD = DVDD = 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 10V
Digital Output Voltage ........ (VSS – 0.3V) to (VDD + 0.3V)
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC1412C ............................................... 0
°C to 70°C
LTC1412I ............................................ – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ORDER PART
NUMBER
TJMAX = 110°C, θJA = 95°C/ W
Consult factory for Military grade parts.
LTC1412CG
LTC1412IG
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
4.75V
≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –4.75V
q
±2.5
V
IIN
Analog Input Leakage Current
CS = High
q
±1
A
CIN
Analog Input Capacitance
Between Conversions
10
pF
During Conversions
4
pF
tACQ
Sample-and-Hold Acquisition Time
q
20
50
ns
tAP
Sample-and-Hold Aperture Delay Time
– 0.5
ns
tjitter
Sample-and-Hold Aperture Delay Time Jitter
1
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
– 2.5V < (AIN– = AIN) < 2.5V
63
dB
With internal reference (Notes 5, 6)
CC
HARA TERISTICS
CO
U
VERTER
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
q
12
Bits
Integral Linearity Error
(Note 7)
q
±0.35
±1
LSB
Differential Linearity Error
q
±0.25
±1
LSB
Offset Error
(Note 8)
±2
±6
LSB
q
±8
LSB
Full-Scale Error
±15
LSB
Full-Scale Tempco
IOUT(REF) = 0
q
±15
ppm/
°C
PUT
U
I
A
U
LOG
(Note 5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AIN
+
AIN
–
VREF
REFCOMP
AGND
D11 (MSB)
D10
D9
D8
D7
D6
D5
D4
DGND
AVDD
DVDD
VSS
BUSY
CS
CONVST
OGND
OVDD
DVDD
DGND
D0
D1
D2
D3