Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
2
231114fa
For more information
www.linear.com/LTC2311-14
LTC2311-14
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C (Note 4).
SYMBOL
V
IN+
V
IN–
V
IN+
– V
IN–
V
CM
I
IN
C
IN
CMRR
V
IHCNV
V
ILCNV
V
INCNV
PARAMETER
Absolute Input Range (A
IN+
)
Absolute Input Range (A
IN–
)
Input Differential Voltage Range
Common Mode Input Range
Analog Input DC Leakage Current
Analog Input Capacitance
Input Common Mode Rejection Ratio
CNV
High Level Input Voltage
CNV
Low Level Input Voltage
CNV
Input Current
V
IN
= 0V to V
DD
f
IN
= 2.2MHz
l
l
l
ELECTRICAL CHARACTERISTICS
CONDITIONS
(Note 5)
(Note 5)
V
IN
= V
IN+
– V
IN–
V
CM
= (V
IN+
+ V
IN–
)/2
l
l
l
l
l
MIN
0
0
–REFOUT
0
–1
TYP
MAX
V
DD
V
DD
REFOUT
V
DD
1
UNITS
V
V
V
V
µA
pF
dB
V
10
85
1.3
0.3
–10
10
V
µA
temperature range, otherwise specifications are at T
A
= 25°C (Note 4).
SYMBOL PARAMETER
Resolution
No Missing Codes
Transition Noise
INL
DNL
BZE
FSE
Integral Linearity Error
Differential Linearity Error
Bipolar Zero-Scale Error
Bipolar Zero-Scale Error Drift
Bipolar Full-Scale Error
Bipolar Full-Scale Error Drift
(Note 7)
(Note 6)
CONDITIONS
CONVERTER CHARACTERISTICS
The
l
denotes the specifications which apply over the full operating
MIN
l
l
TYP
MAX
UNITS
Bits
Bits
14
14
0.4
–2
–0.99
–5
–10
±0.75
±0.4
0
0.006
±3
15
2
0.99
5
10
LSB
RMS
LSB
LSB
LSB
LSB/°C
LSB
ppm/°C
l
l
l
V
REFOUT
= 4.096V (REFIN Grounded) (Note 7)
V
REFOUT
= 4.096V (REFIN Grounded)
l
231114fa
For more information
www.linear.com/LTC2311-14
3
LTC2311-14
The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C and A
IN
= –1dBFS (Notes 4, 8).
SYMBOL PARAMETER
SINAD
SNR
THD
SFDR
CONDITIONS
l
l
l
l
DYNAMIC ACCURACY
MIN
76
76.5
TYP
80
80.5
80.6
81.3
–90
–88
MAX
UNITS
dB
dB
dB
dB
Signal-to-(Noise + Distortion) Ratio f
IN
= 2.2MHz, V
REFOUT
= 4.096V, Internal Reference
f
IN
= 2.2MHz, V
REFOUT
= 5V, External Reference
Signal-to-Noise Ratio
Total Harmonic Distortion
Spurious Free Dynamic Range
–3dB Input Bandwidth
Aperture Delay
Aperture Jitter
Transient Response
Full-Scale Step
f
IN
= 2.2MHz, V
REFOUT
= 4.096V, Internal Reference
f
IN
= 2.2MHz, V
REFOUT
= 5V, External Reference
f
IN
= 2.2MHz, V
REFOUT
= 4.096V, Internal Reference
f
IN
= 2.2MHz, V
REFOUT
= 5V, External Reference
f
IN
= 2.2MHz, V
REFOUT
= 4.096V, Internal Reference
f
IN
= 2.2MHz, V
REFOUT
= 5V, External Reference
–79
dB
dB
dB
dB
MHz
ps
ps
RMS
ns
78
95
90
100
500
1
3
The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C (Note 4).
SYMBOL
V
REFOUT
PARAMETER
REFOUT Output Voltage
REFOUT Input Voltage
REFOUT Temperature Coefficient
REFOUT Short-Circuit Current
REFOUT Line Regulation
REFOUT Load Regulation
REFOUT Input Resistance (External Reference
Mode)
I
REFOUT
V
REFIN
REFOUT Input Current (External Reference
Mode)
REFIN Output Voltage
REFIN Input Voltage
REFIN Short-Circuit Current
V
IL
(V
REFIN
) REFIN Low Level Input Voltage (External
Reference Mode)
CONDITIONS
4.75V < V
DD
< 5.25V
3.13V < V
DD
< 3.47V
4.75V < V
DD
< 5.25V, REFIN = 0V (Note 5)
3.13V < V
DD
< 3.47V, REFIN = 0V (Note 5)
(Note 14)
V
DD
= 5.25V, Forcing Output to GND
V
DD
= 4.75V to 5.25V
I
REFOUT
< 2mA
REFIN = 0V
REFIN = 0V, REFOUT = 4.096V
(Notes 9, 10)
3.13V < V
DD
< 3.47V
4.75V < V
DD
< 5.25V
3.13V < V
DD
< 3.47V (Note 5)
4.75V < V
DD
< 5.25V (Note 5)
V
DD
= 5.25V, Forcing Output to GND
3.13V < V
DD
< 3.47V
4.75V < V
DD
< 5.25V
l
l
l
l
l
l
l
l
l
l
l
l
l
INTERNAL REFERENCE CHARACTERISTICS
MIN
4.082
2.042
0.5
0.5
TYP
4.096
2.048
MAX
4.110
2.054
V
DD
V
DD
UNITS
V
V
V
V
ppm/°C
mA
mV/V
mV/mA
kΩ
3
0.3
0.5
60
700
1.245
1
1
1.25
20
30
µA
1.255
1.85
1.45
250
0.5
0.5
V
V
V
µA
V
V
4
231114fa
For more information
www.linear.com/LTC2311-14
LTC2311-14
The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
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