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LTC1740CG

Description
1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO36
CategoryAnalog mixed-signal IC    converter   
File Size929KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC1740CG Overview

1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO36

LTC1740CG Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSSOP
package instructionSSOP, SSOP36,.3
Contacts36
Manufacturer packaging codeG
Reach Compliance Codenot_compliant
ECCN code3A991.C.3
Maximum analog input voltage2.5 V
Minimum analog input voltage-2.5 V
Maximum conversion time0.135 µs
Converter typeADC, PROPRIETARY METHOD
JESD-30 codeR-PDSO-G36
JESD-609 codee0
length12.8 mm
Maximum linear error (EL)0.0153%
Humidity sensitivity level1
Nominal negative supply voltage-5 V
Number of analog input channels1
Number of digits14
Number of functions1
Number of terminals36
Maximum operating temperature70 °C
Minimum operating temperature
Output bit code2\'S COMPLEMENT BINARY
Output formatPARALLEL, WORD
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP36,.3
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
power supply5/+-5 V
Certification statusNot Qualified
Sampling rate6 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height2 mm
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width5.3 mm
LTC1740
14-Bit, 6Msps,
Sampling ADC
FEATURES
s
s
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
6Msps Sample Rate
79dB S/(N + D) and 91dB SFDR at 2.5MHz f
IN
Single 5V Supply or
±5V
Supplies
Integral Nonlinearity Error: < 1LSB
Differential Nonlinearity: < 0.5LSB
80MHz Full-Power Bandwidth Sampling
±2.5V
and
±1.25V
Bipolar Input Ranges
2.5V Signal Ground Available
Out-of-Range Indicator
True Differential Inputs with 75dB CMRR
Power Dissipation: 245mW
36-Pin SSOP Package (0.209 Inch Width)
The LTC
®
1740 is a 6Msps, 14-bit sampling A/D converter
that draws only 245mW from either a single 5V or dual
±5V
supplies. This easy-to-use device includes a high
dynamic range sample-and-hold and a programmable
precision reference.
The LTC1740 has a flexible input circuit that allows differ-
ential full-scale input ranges of
±2.5V
and
±1.25V
with the
internal reference, or any full-scale input range up to
±2.5V
with an external reference. The input common
mode voltage is arbitrary, though a 2.5V reference is
provided for single supply applications.
DC specifications include 1LSB typical INL, 0.5LSB typical
DNL and no missing codes over temperature. Outstanding
AC performance includes 79dB S/(N + D) and 91dB SFDR
at an input frequency of 2.5MHz.
The unique differential input sample-and-hold can acquire
single-ended or differential input signals up to its 80MHz
bandwidth. The 75dB common mode rejection allows
users to eliminate ground loops and common mode noise
by measuring signals differentially from the source. A
separate output logic supply allows direct connection to
3V components.
APPLICATIO S
s
s
s
s
s
Telecommunications
Multiplexed Data Acquisition Systems
High Speed Data Acquisition
Spectral Analysis
Imaging Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
BLOCK DIAGRA
5V
1µF
8
5V
1µF
9
32
33
3V TO 5V
1µF
19
+
V
IN
1000pF
1
+
A
IN
V
DD
V
DD
V
DD
V
DD
OV
DD
OF
36
12
1µF
2
3
–A
IN
V
CM
S/H
PIPELINED 14-BIT ADC
D13 (MSB)
–20
AMPLITUDE (dB)
–40
–60
–80
D7
MODE SELECT
DIGITAL CORRECTION
LOGIC
OUTPUT
BUFFERS
D6
18
20
DIGITAL
OUTPUT
4
SENSE
2.5V
REFERENCE
D0 (LSB)
26
5
V
REF
2.250V
BUSY
CLK
27
35
1µF
6MHz CLK
30
V
SS
29
V
SS
6
GND
7
GND
10
GND
34
GND
31
GND
11
OGND
28
OGND
1740 TA01
1µF
0V OR –5V
U
4096-Point FFT
0
f
SMPL
= 6MHz
f
IN
= 2.5MHz, 5V
P-P
5V SUPPLY
–100
–120
0
0.5
1.0
1.5
2.0
FREQUENCY (MHz)
2.5
3.0
1740 TA02
W
U
1740f
1

LTC1740CG Related Products

LTC1740CG LTC1740 LTC1740IG
Description 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO36 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO36 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO36
Maximum conversion time 0.135 µs 0.1350 uS 0.135 µs
Number of digits 14 14 14
Number of functions 1 1 1
Number of terminals 36 36 36
Maximum operating temperature 70 °C 70 Cel 85 °C
Minimum operating temperature - 0.0 Cel -40 °C
Output format PARALLEL, WORD Parallel, WORD PARALLEL, WORD
surface mount YES Yes YES
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL
Terminal form GULL WING GULL WING GULL WING
Terminal location DUAL pair DUAL
Brand Name Linear Technology - Linear Technology
Is it Rohs certified? incompatible - incompatible
Maker Linear ( ADI ) - Linear ( ADI )
Parts packaging code SSOP - SSOP
package instruction SSOP, SSOP36,.3 - SSOP, SSOP36,.3
Contacts 36 - 36
Manufacturer packaging code G - G
Reach Compliance Code not_compliant - not_compliant
ECCN code 3A991.C.3 - 3A991.C.3
Maximum analog input voltage 2.5 V - 2.5 V
Minimum analog input voltage -2.5 V - -2.5 V
Converter type ADC, PROPRIETARY METHOD - ADC, PROPRIETARY METHOD
JESD-30 code R-PDSO-G36 - R-PDSO-G36
JESD-609 code e0 - e0
length 12.8 mm - 12.8 mm
Maximum linear error (EL) 0.0153% - 0.0153%
Humidity sensitivity level 1 - 1
Nominal negative supply voltage -5 V - -5 V
Number of analog input channels 1 - 1
Output bit code 2\'S COMPLEMENT BINARY - 2\'S COMPLEMENT BINARY
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY
encapsulated code SSOP - SSOP
Encapsulate equivalent code SSOP36,.3 - SSOP36,.3
Package shape RECTANGULAR - RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH - SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 235 - 235
power supply 5/+-5 V - 5/+-5 V
Certification status Not Qualified - Not Qualified
Sampling rate 6 MHz - 6 MHz
Sample and hold/Track and hold SAMPLE - SAMPLE
Maximum seat height 2 mm - 2 mm
Nominal supply voltage 5 V - 5 V
technology CMOS - CMOS
Terminal surface Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb)
Terminal pitch 0.65 mm - 0.65 mm
Maximum time at peak reflow temperature 20 - 20
width 5.3 mm - 5.3 mm
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