2
LTC1404
1404fa
The
● denotes specifications which apply over the full operating temperature range, unless otherwise
noted specifications are at TA = 25°C. VCC = 5V, fSAMPLE = 600kHz, tr = tf = 5ns, unless otherwise specified.
ABSOLUTE MAXIMUM RATINGS
W
WW
U
(Notes 1, 2)
Supply Voltage (VCC) ................................................. 7V
Negative Supply Voltage (VSS) ................... – 6V to GND
Total Supply Voltage (VCC to VSS)
Bipolar Operation Only ........................................ 12V
Analog Input Voltage (Note 3)
Unipolar Operation .................. – 0.3V to (VCC + 0.3V)
Bipolar Operation........... (VSS – 0.3V) to (VCC + 0.3V)
Digital Input Voltage (Note 4)
Unipolar Operation ................................– 0.3V to 12V
Bipolar Operation.........................(VSS – 0.3V) to 12V
Digital Output Voltage
Unipolar Operation .................. – 0.3V to (VCC + 0.3V)
Bipolar Operation........... (VSS – 0.3V) to (VCC + 0.3V)
Power Dissipation .............................................. 300mW
Operating Ambient Temperature Range
LTC1404C ............................................... 0
°C to 70°C
LTC1404I ............................................ – 40
°C to 85°C
Junction Temperature .......................................... 125
°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
PACKAGE/ORDER INFORMATION
W
U
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Positive Supply Voltage
Unipolar
4.75
5.25
V
Bipolar
4.75
5.25
V
VSS
Negative Supply Voltage
Bipolar Only
– 2.45
– 5.25
V
ICC
Positive Supply Current
fSAMPLE = 600ksps
●
15
30
mA
Nap Mode
●
1.3
3.0
mA
Sleep Mode
●
8.0
20.0
A
ISS
Negative Supply Current
fSAMPLE = 600ksps, VSS = – 5V
●
0.2
0.6
mA
Nap Mode
●
0.2
0.5
mA
Sleep Mode
●
410
A
PD
Power Dissipation
fSAMPLE = 600ksps
●
75
160
mW
Nap Mode
●
7.5
20
mW
Sleep Mode
●
60
150
W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range
4.75V
≤ VCC ≤ 5.25V (Unipolar)
0 to 4.096
V
4.75V
≤ VCC ≤ 5.25V, –5.25V ≤ VSS ≤ –2.45V (Bipolar)
0 to
±2.048
V
IIN
Analog Input Leakage Current
During Conversions (Hold Mode)
●
±1
A
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
45
pF
During Conversions (Hold Mode)
5
pF
PUT
U
I
A
U
LOG
POWER REQUIRE E TS
W
U
TOP VIEW
VCC
AIN
VREF
GND
VSS
CONV
CLK
DOUT
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
TJMAX = 125°C, θJA = 130°C/W
ORDER PART NUMBER
S8 PART MARKING
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC1404CS8
LTC1404IS8
1404
1404I
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
The
● denotes specifications which apply over the full operating temperature range,
unless otherwise noted specifications are at TA = 25°C. VCC = 5V, fSAMPLE = 600kHz, tr = tf = 5ns, unless otherwise specified.