2
LTC1405
1405fa
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
0VDD = 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 .............................................. 500mW
Operating Temperature Range
LTC1405C ............................................... 0°C to 70°C
LTC1405I ............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART
NUMBER
LTC1405CGN
LTC1405IGN
CO VERTER CHARACTERISTICS
U
Consult factory for parts specified with wider operating temperature ranges.
TJMAX = 125°C, θJA = 80°C/W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+AIN
–AIN
VCM
SENSE
VREF
GND
VDD
GND
D11 (MSB)
D10
D9
D8
D7
D6
GAIN
OF
CLK
VSS
GND
VDD
OVDD
OGND
D0
D1
D2
D3
D4
D5
The
● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
With Internal 4.096V Reference. Specifications are guaranteed for both dual supply and single supply operation. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
12
Bits
Integral Linearity Error
(Note 7)
●
±0.35
±1
LSB
Differential Linearity Error
●
±0.25
±1
LSB
Offset Error
(Note 8)
±5
12
LSB
●
16
LSB
Full-Scale Error
±10
30
LSB
Full-Scale Tempco
IOUT(REF) = 0
±15
ppm/°C
PUT
U
I
A
U
LOG
The
● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
VREF = 4.096V (SENSE = 0V), GAIN = 5V
●
±2.048
V
+AIN – (–AIN)VREF = 4.096V (SENSE = 0V), GAIN = 0V
●
±1.024
V
VREF = 2.048V (SENSE = VREF), GAIN = 5V
●
±1.024
V
VREF = 2.048V (SENSE = VREF), GAIN = 0V
●
±0.512
V
External VREF (SENSE = 5V), GAIN = 5V
●
±VREF/2
V
External VREF (SENSE = 5V), GAIN = 0V
●
±VREF/4
V
IIN
Analog Input Leakage Current
●
±10
A
CIN
Analog Input Capacitance
Between Conversions
12
pF
During Conversions
6
pF
tACQ
Sample-and-Hold Acquisition Time
50
ns