LT1461 LINER [Linear Technology], LT1461 Datasheet - Page 4
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LT1461
Manufacturer Part Number
LT1461
Description
Easy-to-Use, Ultra-Tiny, Differential, 16-Bit ADC With I2C Interface
Manufacturer
LINER [Linear Technology]
Datasheet
1.LT1461.pdf
(16 pages)
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I
LTC2453
TYPICAL PERFORMANCE CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
t
f
t
t
t
t
t
t
t
t
t
t
t
t
4
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2. All voltage values are with respect to GND. V
unless otherwise specifi ed.
Note 3. Guaranteed by design, not subject to test.
CONV
SCL
HD(SDA)
LOW
HIGH
SU(STA)
HD(DAT)
SU(DAT)
r
f
SU(STO)
BUF
OF
SP
2
V
V
C TIMING CHARACTERISTICS
–0.5
–1.0
–1.5
–2.0
REF
IN
2.0
1.5
1.0
0.5
= V
0
–5
= V
Integral Nonlinearity, V
IN
V
V
V
CC
REF
REF
REF
–4
+
– V
= 5V
+
–
DIFFERENTIAL INPUT VOLTAGE (V)
+
= 5V
= 0V
–3
– V
IN
–
T
REF
, –V
–2
A
= –45°C, 25°C, 90°C
PARAMETER
Conversion Time
SCL Clock Frequency
Hold Time (Repeated) START Condition
LOW Period of the SCL Pin
HIGH Period of the SCL Pin
Set-Up Time for a Repeated START Condition
Data Hold Time
Data Set-Up Time
Rise Time for SDA/SCL Signals
Fall Time for SDA/SCL Signals
Set-Up Time for STOP Condition
Bus Free Time Between a Stop and Start Condition
Output Fall Time V
Input Spike Suppression
–
–1
, V
REF
REFCM
≤ V
0
IN
1
= (V
≤ V
CC
2
REF
REF
= 5V
3
; V
+
IHMIN
+ V
INCM
2453 G01
4
REF
to V
= (V
5
–
)/2, FS = V
ILMAX
IN
+
CC
+ V
= 2.7V to 5.5V
–0.5
–1.0
–2.0
–1.5
IN
2.0
1.5
1.0
0.5
REF
0
–
A
–3
)/2.
Integral Nonlinearity, V
= 25°C. (Notes 2, 7)
+
V
V
V
CC
REF
REF
– V
= 3V
DIFFERENTIAL INPUT VOLTAGE (V)
+
–
The
–2
REF
= 3V
= 0V
–
T
;
●
A
–1
= –45°C, 25°C, 90°C
denotes the specifi cations which apply over the full operating
CONDITIONS
(Note 6)
(Note 6)
Bus Load C
400pF (Note 6)
Note 4. Integral nonlinearity is defi ned as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
Guaranteed by design and test correlation.
Note 5. Input sampling current is the average input current drawn from
the input sampling network while the LTC2453 is converting.
Note 6. C
Note 7. All values refer to V
Note 8. A positive current is fl owing into the DUT pin.
0
B
1
10pF to
CC
B
= 3V
= capacitance of one bus line in pF.
2
(T
2453 G02
A
= 25°C, unless otherwise noted)
3
●
●
●
●
●
●
●
●
●
●
●
●
●
●
20 + 0.1C
20 + 0.1C
20 + 0.1C
IH(MIN
1.5
0.5
2.0
1.0
MIN
100
0
0.6
1.3
0.6
0.6
0.6
1.3
13
–50
0
0
) and V
Maximum INL vs Temperature
V
CC
B
B
B
= V
–25
IL(MAX)
REF
+
TEMPERATURE (°C)
16.6
TYP
= 5V, 4.1V, 3V
0
levels.
25
MAX
50
400
300
300
250
0.9
23
50
75
2453 G03
UNITS
2453f
100
kHz
ms
μs
μs
μs
μs
μs
μs
μs
ns
ns
ns
ns
ns