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LTC1197LCMS8#PBF

Description
IC ADC 10BIT 250KHZ W/SD 8-MSOP
CategoryAnalog mixed-signal IC    converter   
File Size302KB,28 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC1197LCMS8#PBF Overview

IC ADC 10BIT 250KHZ W/SD 8-MSOP

LTC1197LCMS8#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeMSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Manufacturer packaging codeMS8
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum analog input voltage2.75 V
Minimum analog input voltage-0.05 V
Maximum conversion time2.9 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Maximum linear error (EL)0.0977%
Humidity sensitivity level1
Number of analog input channels1
Number of digits10
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Output bit codeBINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply2.7 V
Certification statusNot Qualified
Sampling rate0.25 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height1.1 mm
Nominal supply voltage2.7 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
LTC1197/LTC1197L
LTC1199/LTC1199L
10-Bit, 500ksps ADCs in
MSOP with Auto Shutdown
FEATURES
s
s
s
s
DESCRIPTIO
s
s
s
s
8-Pin MSOP and SO Packages
10-Bit Resolution at 500ksps
Single Supply: 5V or 3V
Low Power at Full Speed:
25mW Typ at 5V
2.2mW Typ at 2.7V
Auto Shutdown Reduces Power Linearly
at Lower Sample Rates
10-Bit Upgrade to 8-Bit LTC1196/LTC1198
SPI and MICROWIRE
TM
Compatible Serial I/O
Low Cost
The LTC
®
1197/LTC1197L/LTC1199/LTC1199L are
10-bit A/D converters with sampling rates up to 500kHz.
They have 2.7V (L) and 5V versions and are offered in
8-pin MSOP and SO packages. Power dissipation is typi-
cally only 2.2mW at 2.7V (25mW at 5V) during full speed
operation. The automatic power down reduces supply
current linearly as sample rate is reduced. These 10-bit,
switched-capacitor, successive approximation ADCs in-
clude a sample-and-hold. The LTC1197/LTC1197L have a
differential analog input with an adjustable reference pin.
The LTC1199/LTC1199L offer a software-selectable
2-channel MUX.
The 3-wire serial I/O, MSOP and SO-8 packages, 2.7V
operation and extremely high sample rate-to-power ratio
make these ADCs ideal choices for compact, low power
high speed systems.
These circuits can be used in ratiometric applications or
with external references. The high impedance analog
inputs and the ability to operate with reduced spans below
1V full scale (LTC1197/LTC1197L) allow direct connec-
tion to signal sources in many applications, eliminating
the need for gain stages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
APPLICATIO S
s
s
s
High Speed Data Acquisition
Portable or Compact Instrumentation
Low Power or Battery-Operated Instrumentation
TYPICAL APPLICATIO
1µF
Supply Current vs Sampling Frequency
Single 2.7V Supply, 250ksps, 10-Bit Sampling ADC
2.7V
10000
1000
SUPPLY CURRENT (µA)
100
LTC1197L
1
2
ANALOG INPUT
0V TO 2.7V RANGE 3
4
CS
+IN
– IN
GND
V
CC
CLK
D
OUT
V
REF
8
7
6
5
1197/99 TA01
SERIAL DATA LINK TO
ASIC, PLD, MPU, DSP
OR SHIFT REGISTERS
10
V
CC
= 2.7V
f
CLK
= 3.5MHz
1
0.1
0.01
0.1
10
100
1
SAMPLING FREQUENCY (kHz)
U
V
CC
= 5V
f
CLK
= 7.2MHz
1000
1197/99 G03
U
U
1
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