
2
LTC1409
AVDD = 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 10V
Digital Output Voltage ............. VSS – 0.3V to VDD + 0.3V
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1409C............................................... 0
°C to 70°C
LTC1409I ........................................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
WU
U
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
ORDER
PART NUMBER
LTC1409CG
LTC1409CSW
LTC1409IG
LTC1409ISW
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
q
12
Bits
Integral Linearity Error
(Note 7)
q
±0.3
±1
LSB
Differential Linearity Error
q
±0.3
±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
CC
HARA TERISTICS
CO
U
VERTER
With Internal Reference (Notes 5, 6)
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
17
pF
During Conversions
5
pF
tACQ
Sample-and-Hold Acquisition Time
q
50
150
ns
tAP
Sample-and-Hold Aperture Delay Time
–1.5
ns
tjitter
Sample-and-Hold Aperture Delay Time Jitter
5
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
– 2.5V < (–AIN = +AIN) < 2.5V
60
dB
(Note 5)
PUT
U
I
A
U
LOG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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
OVDD
VSS
BUSY
CS
CONVST
RD
SHDN
NAP/SLP
OGND
D0
D1
D2
D3
SW PACKAGE
28-LEAD PLASTIC SO WIDE
G PACKAGE
28-LEAD PLASTIC SO
TOP VIEW
TJMAX = 110°C, θJA = 95°C/W (G)
TJMAX = 110°C, θJA = 130°C/W (SW)