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.
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
IN
= (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
231112f
2
For more information
www.linear.com/LTC2311-12
LTC2311-12
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
V
REFOUT
= 4.096V (REFIN Grounded) (Note 7)
V
REFOUT
= 4.096V (REFIN Grounded)
l
converTer characTerisTics
The
l
denotes the specifications which apply over the full operating
CONDITIONS
l
l
MIN
12
12
TYP
MAX
UNITS
Bits
Bits
0.3
(Note 6)
(Note 7)
l
l
l
LSB
RMS
1
0.99
2
4
LSB
LSB
LSB
LSB/°C
LSB
ppm/°C
–1
–0.99
–2
–4
±0.25
±0.2
0
0.002
±1
15
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
70.5
71
TYP
73
73.2
73.3
73.5
–85
–85
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 Linear 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
SNR – SINAD ≥ 3dB
–79
dB
dB
dB
dB
MHz
ps
ps
RMS
ns
79
90
90
10
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
REFOUT Input Current (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
(Note 10)
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
µA
3
0.3
0.5
60
700
20
30
231112f
For more information
www.linear.com/LTC2311-12
3
LTC2311-12
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
REFIN
PARAMETER
REFIN Output Voltage
REFIN Input Voltage
REFIN Short-Circuit Current
V
IL
(V
REFIN
) REFIN Low Level Input Voltage (External
Reference Mode)
CONDITIONS
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
inTernal reFerence characTerisTics
MIN
1.245
1.245
1
1
TYP
1.25
1.25
MAX
1.255
1.255
1.85
1.45
250
0.5
0.5
UNITS
V
V
V
V
µA
V
V
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
IH
V
IL
I
IN
C
IN
V
OH
V
OL
I
OZ
I
SOURCE
I
SINK
V
ID
V
IS
V
OD
V
OS
V
OD_LP
V
OS_LP
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
Low Level Output Voltage
Hi-Z Output Leakage Current
Output Source Current
Output Sink Current
LVDS Differential Input Voltage
LVDS Common Mode Input Voltage
LVDS Differential Output Voltage
LVDS Common Mode Output Voltage
Low Power LVDS Differential Output
Voltage
Low Power LVDS Common Mode
Output Voltage
I
O
= –500µA
I
O
= 500µA
V
OUT
= 0V to OV
DD
V
OUT
= 0V
V
OUT
= OV
DD
100Ω Differential Termination, OV
DD
= 2.5V
100Ω Differential Termination, OV
DD
= 2.5V
100Ω Differential Load, LVDS Mode,
OV
DD
= 2.5V
100Ω Differential Load, LVDS Mode,
OV
DD
= 2.5V
100Ω Differential Load, Low Power,
LVDS Mode, OV
DD
= 2.5V
100Ω Differential Load, Low Power,
LVDS Mode, OV
DD
= 2.5V
l
l
l
l
l
l
l
l
l
DigiTal inpuTs anD DigiTal ouTpuTs
CONDITIONS
CMOS Digital Inputs and Outputs
MIN
l
l
TYP
MAX
UNITS
V
0.8 •
OV
DD
0.2 •
OV
DD
–10
5
OV
DD
– 0.2
0.2
–10
–10
10
240
1
100
0.85
50
0.9
225
1.2
125
1.2
600
1.45
300
1.4
200
1.4
10
10
V
μA
pF
V
V
µA
mA
mA
mV
V
mV
V
mV
V
V
IN
= 0V to OV
DD
l
LVDS Digital Inputs and Outputs
231112f
4
For more information
www.linear.com/LTC2311-12
LTC2311-12
power requireMenTs
SYMBOL PARAMETER
V
DD
OV
DD
I
VDD
I
NAP
I
SLEEP
I
OVDD
P
D_3.3V
Supply Voltage
Supply Voltage
Supply Current
Nap Mode Current
Sleep Mode Current
Supply Current
Power Dissipation
Nap Mode
Sleep Mode
P
D_5V
Power Dissipation
Nap Mode
Sleep Mode
LVDS I/O Mode
I
OVDD
P
D_3.3V
Supply Current
Power Dissipation
Nap Mode
Sleep Mode
P
D_5V
Power Dissipation
Nap Mode
Sleep Mode
5Msps Sample Rate (R
L
= 100Ω)
V
DD
= 3.3V 5Msps Sample Rate (A
IN+
= A
IN–
= 0V)
V
DD
= 3.3V Conversion Done (I
VDD
+ I
OVDD
)
V
DD
= 3.3V Sleep Mode (I
VDD
+ I
OVDD
)
V
DD
= 5V 5Msps Sample Rate (A
IN+
= A
IN–
= 0V)
V
DD
= 5V Conversion Done (I
VDD
+ I
OVDD
)
V
DD
= 5V Sleep Mode (I
VDD
+ I
OVDD
)
l
l
l
l
The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C (Note 4).
CONDITIONS
5V Operation
3.3V Operation
5Msps Sample Rate (A
IN+
= A
IN–
= 0V)
Conversion Done (I
VDD
)
V
DD
= 3.3V, Sleep Mode (I
VDD
+ I
OVDD
)
5Msps Sample Rate (C
L
= 5pF)
V
DD
= 3.3V 5Msps Sample Rate (A
IN+
= A
IN–
= 0V)
V
DD
= 3.3V Conversion Done (I
VDD
+ I
OVDD
)
V
DD
= 3.3V Sleep Mode (I
VDD
+ I
OVDD
)
V
DD
= 5V 5Msps Sample Rate (A
IN+
= A
IN–
= 0V)
V
DD
= 5V Conversion Done (I
VDD
+ I
OVDD
)
V
DD
= 5V Sleep Mode (I
VDD
+ I
OVDD
)
l
l
l
l
l
l
l
l
l
MIN
4.75
3.13
1.71
TYP
MAX
5.25
3.47
2.63
UNITS
V
V
V
mA
mA
μA
mA
mW
mW
μW
8.8
2.4
0.1
1.1
27
7.5
0.3
50
12
0.5
2.5
33
14
0.3
58
18
0.5
12
3.5
10
1.5
CMOS I/O Mode
l
65
18
30
3.5
mW
mW
μW
mA
mW
mW
µW
65
25
20
mW
mW
µW
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
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