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LTC1609ISW

Description
3-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
CategoryAnalog mixed-signal IC    converter   
File Size422KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC1609ISW Overview

3-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

LTC1609ISW Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instructionSOP, SOP20,.4
Contacts20
Reach Compliance Code_compli
ECCN codeEAR99
Maximum analog input voltage10 V
Minimum analog input voltage-10 V
Maximum conversion time3 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length12.8 mm
Maximum linear error (EL)0.0046%
Humidity sensitivity level1
Number of analog input channels3
Number of digits16
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY, 2'S COMPLEMENT BINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
power supply5 V
Certification statusNot Qualified
Sampling rate0.2 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height2.65 mm
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width7.5 mm
Base Number Matches1
LTC1609
16-Bit, 200ksps, Serial ADC
with Multiple Input Ranges
FEATURES
s
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
Sample Rate: 200ksps
Input Ranges
Unipolar: 0V to 10V, 0V to 5V and 0V to 4V
Bipolar:
±10V, ±5V
and
±3.3V
Guaranteed No Missing Codes
Serial I/O
Single 5V Supply
Power Dissipation: 65mW Typ
Power Down Mode: 50µW
SNR: 87dB Typ
Operates with Internal or External Reference
28-Pin SSOP and 20-Pin SO Packages
Improved 2nd Source to ADS7809 and AD977A
The LTC
®
1609 is a 200ksps, serial sampling 16-bit A/D
converter that draws only 65mW (typical) from a single 5V
supply. This easy-to-use device includes a sample-and-
hold, a precision reference, a switched capacitor succes-
sive approximation A/D and trimmed internal clock.
The input range is specified for bipolar inputs of
±10V,
±5V
and
±3.3V
and unipolar inputs of 0V to 10V, 0V to 5V
and 0V to 4V. Maximum DC specs include
±2LSB
INL and
16-bit no missing codes over temperature. It has a typical
signal-to-noise ratio of 87dB.
The ADC has a high speed serial interface. The serial
output data can be clocked out using either the internal
serial shift clock or be clocked out by an external shift
clock. A separate convert start input (R/C) and a data ready
signal (BUSY) ease connections to FIFOs, DSPs and
microprocessors.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
Industrial Process Control
Multiplexed Data Acquisition Systems
High Speed Data Acquisition for PCs
Digital Signal Processing
TYPICAL APPLICATIO
ANALOG INPUT
– 10V TO 10V
200Ω
1
2
100Ω
33.2k
3
4
5
2.5V
200kHz, 16-Bit Serial Sampling ADC Configured for
±10V
Inputs
R1
IN
AGND1
R2
IN
R3
IN
NC
CAP
REF
NC
AGND2
NC
NC
SB/BTC
V
DIG
V
ANA
PWRD
BUSY
LTC1609
CS
NC
NC
R/C
NC
TAG
NC
DATA
28
27
26
25
24
–20
+
10µF
0.1µF
5V
2.2µF
2.5V
+
2.2µF
7
8
9
10
11
12
13
14
22
21
20
19
18
17
16
15
1609 TA01
MAGNITUDE (dB)
+
6
23
SERIAL INTERFACE
EXT/INT DATACLK
DGND
SYNC
U
Nonaveraged 4096 Point FFT Plot
0
f
SAMPLE
= 200kHz
f
IN
= 1kHz
SINAD = 87.2dB
THD = –100.1dB
–40
–60
–80
–100
–120
–130
0
25
50
FREQUENCY (kHz)
1609 G06
U
U
75
100
1609fa
1

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Is it Rohs certified? incompatible - - incompatible incompatible incompatible
Parts packaging code SOIC - - SSOP SOIC SSOP
package instruction SOP, SOP20,.4 - - SSOP, SSOP28,.3 SOP, SOP20,.4 SSOP, SSOP28,.3
Contacts 20 - - 28 20 28
Reach Compliance Code _compli - - _compli _compli _compli
ECCN code EAR99 - - EAR99 EAR99 EAR99
Maximum analog input voltage 10 V - - 10 V 10 V 10 V
Minimum analog input voltage -10 V - - -10 V -10 V -10 V
Maximum conversion time 3 µs - - 3 µs 3 µs 3 µs
Converter type ADC, SUCCESSIVE APPROXIMATION - - ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION
JESD-30 code R-PDSO-G20 - - R-PDSO-G28 R-PDSO-G20 R-PDSO-G28
JESD-609 code e0 - - e0 e0 e0
length 12.8 mm - - 10.2 mm 12.8 mm 10.2 mm
Maximum linear error (EL) 0.0046% - - 0.0046% 0.0046% 0.0046%
Humidity sensitivity level 1 - - 1 1 1
Number of analog input channels 3 - - 3 3 3
Number of digits 16 - - 16 16 16
Number of functions 1 - - 1 1 1
Number of terminals 20 - - 28 20 28
Maximum operating temperature 85 °C - - 70 °C 70 °C 85 °C
Output bit code BINARY, 2'S COMPLEMENT BINARY - - BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY BINARY, 2'S COMPLEMENT BINARY
Output format SERIAL - - SERIAL SERIAL SERIAL
Package body material PLASTIC/EPOXY - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP - - SSOP SOP SSOP
Encapsulate equivalent code SOP20,.4 - - SSOP28,.3 SOP20,.4 SSOP28,.3
Package shape RECTANGULAR - - RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE - - SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 235 - - 235 235 235
power supply 5 V - - 5 V 5 V 5 V
Certification status Not Qualified - - Not Qualified Not Qualified Not Qualified
Sampling rate 0.2 MHz - - 0.2 MHz 0.2 MHz 0.2 MHz
Sample and hold/Track and hold SAMPLE - - SAMPLE SAMPLE SAMPLE
Maximum seat height 2.65 mm - - 2 mm 2.65 mm 2 mm
Nominal supply voltage 5 V - - 5 V 5 V 5 V
surface mount YES - - YES YES YES
technology CMOS - - CMOS CMOS CMOS
Temperature level INDUSTRIAL - - COMMERCIAL COMMERCIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) - - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING - - GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm - - 0.65 mm 1.27 mm 0.65 mm
Terminal location DUAL - - DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 - - 20 20 20
width 7.5 mm - - 5.3 mm 7.5 mm 5.3 mm
Base Number Matches 1 - - 1 1 1
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