REFIN.................................................... –0.3V to 2.8V
REFBUF, CNV (Note 5) ............. –0.3V to (V
DD
+ 0.3V)
Digital Input Voltage (Note 5)..... –0.3V to (OV
DD
+ 0.3V)
Digital Output Voltage (Note 5) .. –0.3V to (OV
DD
+ 0.3V)
Power Dissipation .............................................. 500mW
Operating Temperature Range
LTC2335C ................................................ 0°C to 70°C
LTC2335I .............................................–40°C to 85°C
LTC2335H .......................................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
36
35
34
33
32
31
30
29
28
27
26
25
GND
SDO–
SDO+
SCKO–/SDO
SCKO+/SCKO
OV
DD
GND
SCKI–/SCKI
SCKI+
SDI–
SDI+
GND
LX PACKAGE
48-LEAD (7mm
×
7mm) PLASTIC LQFP
T
JMAX
= 150°C,
θ
JA
= 53°C/W
orDer inForMaTion
LEAD FREE FINISH
LTC2335CLX-18#PBF
LTC2335ILX-18#PBF
LTC2335HLX-18#PBF
TRAY
LTC2335CLX-18#PBF
LTC2335ILX-18#PBF
LTC2335HLX-18#PBF
PART MARKING*
LTC2335LX-18
LTC2335LX-18
LTC2335LX-18
PACKAGE DESCRIPTION
48-Lead (7mm × 7mm) Plastic LQFP
48-Lead (7mm × 7mm) Plastic LQFP
48-Lead (7mm × 7mm) Plastic LQFP
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
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/
IN0– 13
IN0+ 14
GND 15
V
CC
16
V
EE
17
GND 18
REFIN 19
GND 20
REFBUF 21
PD 22
LVDS/CMOS 23
CNV 24
233518f
2
For more information
www.linear.com/LTC2335-18
LTC2335-18
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 6)
SYMBOL
V
IN
+
V
IN
–
PARAMETER
Absolute Input Range
(IN0
+
to IN7
+
)
Absolute Input Range
(IN0
–
to IN7
–
)
CONDITIONS
(Note 7)
(Note 7)
SoftSpan
7: ±2.5 •
V
REFBUF
Range (Note 7)
SoftSpan
6: ±2.5 •
V
REFBUF
/1.024 Range (Note 7)
SoftSpan 5: 0V to
2.5 •
V
REFBUF
Range (Note 7)
SoftSpan 4: 0V to
2.5 •
V
REFBUF
/1.024 Range (Note 7)
SoftSpan
3: ±1.25 •
V
REFBUF
Range (Note 7)
SoftSpan
2: ±1.25 •
V
REFBUF
/1.024 Range (Note 7)
SoftSpan 1: 0V to
1.25 •
V
REFBUF
Range (Note 7)
SoftSpan 0: 0V to
1.25 •
V
REFBUF
/1.024 Range (Note 7)
l
l
elecTrical characTerisTics
MIN
V
EE
V
EE
TYP
MAX
V
CC
– 4
V
CC
– 4
2.5 •
V
REFBUF
2.5 •
V
REFBUF
/1.024
2.5 •
V
REFBUF
2.5 •
V
REFBUF
/1.024
1.25 •
V
REFBUF
1.25 •
V
REFBUF
/1.024
1.25 •
V
REFBUF
1.25 •
V
REFBUF
/1.024
V
CC
– 4
(V
CC
− V
EE
)
1
UNITS
V
V
V
V
V
V
V
V
V
V
V
V
µA
pF
pF
dB
V
V
IN
+ – V
IN
– Input Differential Voltage
Range
l
–2.5 •
V
REFBUF
l
–2.5 •
V
REFBUF
/1.024
l
0
l
0
l
–1.25 •
V
REFBUF
l
–1.25 •
V
REFBUF
/1.024
l
0
l
0
l
l
l
V
CM
Input Common Mode Voltage (Note 7)
Range
(Note 8)
V
EE
−(V
CC
− V
EE
)
–1
50
10
V
IN
+ – V
IN
– Input Differential Overdrive
Tolerance
I
IN
C
IN
CMRR
V
IHCNV
V
ILCNV
I
INCNV
Analog Input Leakage Current
Analog Input Capacitance
Input Common Mode
Rejection Ratio
CNV High Level Input Voltage
CNV Low Level Input Voltage
CNV Input Current
Sample Mode
Hold Mode
V
IN
+ = V
IN
− = 18V
P-P
200Hz Sine
l
l
l
100
1.3
118
0.5
–10
10
V
μA
V
IN
= 0V to V
DD
l
temperature range, otherwise specifications are at T
A
= 25°C. (Note 9)
SYMBOL
PARAMETER
Resolution
No Missing Codes
Transition Noise
CONDITIONS
converTer characTerisTics
The
l
denotes the specifications which apply over the full operating
MIN
l
l
TYP
MAX
UNITS
Bits
Bits
18
18
1.3
2.6
2.0
4.0
SoftSpans 7 and 6: ±10.24V and ±10V Ranges
SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges
SoftSpans 3 and 2: ±5.12V and ±5V Ranges
SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges
SoftSpans 7 and 6: ±10.24V and ±10V Ranges (Note 10)
SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges (Note 10)
SoftSpans 3 and 2: ±5.12V and ±5V Ranges (Note 10)
SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges (Note 10)
(Note 12)
(Note 12)
l
l
l
l
l
l
LSB
RMS
LSB
RMS
LSB
RMS
LSB
RMS
3
4
2.5
2.5
0.9
550
0.1
LSB
LSB
LSB
LSB
LSB
μV
μV/°C
%FS
ppm/°C
INL
Integral Linearity Error
–3
–4
–2.5
–2.5
−0.9
−550
−0.1
±1
±1.5
±0.75
±0.75
±0.2
±80
±2
±0.025
±2.5
DNL
ZSE
FSE
Differential Linearity Error (Note 11)
Zero-Scale Error
Zero-Scale Error Drift
Full-Scale Error
Full-Scale Error Drift
l
233518f
For more information
www.linear.com/LTC2335-18
3
LTC2335-18
DynaMic accuracy
SYMBOL PARAMETER
SINAD
Signal-to-(Noise +
Distortion) Ratio
The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. A
IN
= –1dBFS. (Notes 9, 13)
CONDITIONS
SoftSpans 7 and 6: ±10.24V and ±10V Ranges, f
IN
= 2kHz
SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges, f
IN
= 2kHz
SoftSpans 3 and 2: ±5.12V and ±5V Ranges, f
IN
= 2kHz
SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges, f
IN
= 2kHz
SoftSpans 7 and 6: ±10.24V and ±10V Ranges, f
IN
= 2kHz
SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges, f
IN
= 2kHz
SoftSpans 3 and 2: ±5.12V and ±5V Ranges, f
IN
= 2kHz
SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges, f
IN
= 2kHz
SoftSpans 7 and 6: ±10.24V and ±10V Ranges, f
IN
= 2kHz
SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges, f
IN
= 2kHz
SoftSpans 3 and 2: ±5.12V and ±5V Ranges, f
IN
= 2kHz
SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges, f
IN
= 2kHz
SoftSpans 7 and 6: ±10.24V and ±10V Ranges, f
IN
= 2kHz
SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges, f
IN
= 2kHz
SoftSpans 3 and 2: ±5.12V and ±5V Ranges, f
IN
= 2kHz
SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges, f
IN
= 2kHz
Alternating Conversions with 18V
P-P
200Hz Sine in ±10.24V
Range, Crosstalk to Any Other Channel
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
MIN
93.0
87.6
90.0
84.2
93.7
87.7
90.2
84.3
TYP
96.5
90.6
93.2
87.3
96.7
90.7
93.2
87.3
–109
–111
–113
–114
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
SNR
Signal-to-Noise Ratio
THD
Total Harmonic Distortion
–101
–99
–104
–103
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
ns
ps
ps
RMS
ns
SFDR
Spurious Free Dynamic
Range
101
99
105
105
110
112
114
115
–125
7
1
150
3
Channel-to-Channel
Active Crosstalk
–3dB Input Bandwidth
Aperture Delay
Aperture Delay Matching
Aperture Jitter
Transient Response
Full-Scale Step, 0.005% Settling
360
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 9)
SYMBOL
V
REFIN
PARAMETER
Internal Reference Output Voltage
Internal Reference Temperature Coefficient
Internal Reference Line Regulation
Internal Reference Output Impedance
V
REFIN
REFIN Voltage Range
REFIN Overdriven (Note 7)
(Note 14)
V
DD
= 4.75V to 5.25V
CONDITIONS
inTernal reFerence characTerisTics
The
l
denotes the specifications which apply over the full
MIN
2.043
l
TYP
2.048
5
0.1
20
MAX
2.053
20
UNITS
V
ppm/°C
mV/V
kΩ
1.25
2.2
V
233518f
4
For more information
www.linear.com/LTC2335-18
LTC2335-18
The
l
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 9)
SYMBOL
V
REFBUF
PARAMETER
Reference Buffer Output Voltage
REFBUF Voltage Range
REFBUF Input Impedance
I
REFBUF
REFBUF Load Current
CONDITIONS
REFIN Overdriven, V
REFIN
= 2.048V
REFBUF Overdriven (Notes 7, 15)
V
REFIN
= 0V, Buffer Disabled
V
REFBUF
= 5V, (Notes 15, 16)
V
REFBUF
= 5V, Acquisition or Nap Mode (Note 15)
l
l
l
reFerence buFFer characTerisTics
MIN
4.091
2.5
TYP
4.096
13
1.1
0.39
MAX
4.101
5
1.4
UNITS
V
V
kΩ
mA
mA
The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
[i=s]This post was last edited by gao_hex on 2021-5-23 23:40[/i]Introduction
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