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LTC1408IUH-12#PBF

Description
6-Channel Single ADC 600ksps 12-bit Serial 32-Pin QFN EP Tube
File Size254KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC1408IUH-12#PBF Overview

6-Channel Single ADC 600ksps 12-bit Serial 32-Pin QFN EP Tube

LTC1408IUH-12#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Converter TypeGeneral Purpose
Resolution12bit
Number of ADCs1
Number of Input Channels6
Sampling Rate600ksps
Digital Interface TypeSerial (3-Wire, SPI)
Input TypeVoltage
Input Signal TypeSingle-Ended|Differential
Voltage ReferenceInternal|External
Polarity of Input VoltageUnipolar|Bipolar
Voltage Supply SourceAnalog and Digital
Input Voltage2.5V|±1.25V
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3
Maximum Single Supply Voltage (V)3.6
Typical Power Dissipation (mW)15
Maximum Power Dissipation (mW)100
Integral Nonlinearity Error±1LSB
No Missing Codes (bit)12
Sample and HoldYes
Single-Ended InputYes
Digital Supply SupportYes
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTube
Supplier Temperature GradeIndustrial
Pin Count32
Standard Package NameQFN
Supplier PackageQFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length5
Package Width5
PCB changed32
Lead ShapeNo Lead
LTC1408-12
6 Channel, 12-Bit, 600ksps
Simultaneous Sampling ADC
with Shutdown
DESCRIPTIO
The LTC
®
1408-12 is a 12-bit, 600ksps ADC with six
simultaneously sampled differential inputs. The device
draws only 5mA from a single 3V supply, and comes in a
tiny 32 pin (5mm
×
5mm) QFN package. A SLEEP shut-
down feature further reduces power consumption to
6µW. The combination of low power and tiny package
makes the LTC1408-12 suitable for portable applications.
The LTC1408-12 contains six separate differential inputs
that are sampled simultaneously on the rising edge of the
CONV signal. These six sampled inputs are then
converted at a rate of 100ksps per channel.
The 83dB common mode rejection allows users to
eliminate ground loops and common mode noise by
measuring signals differentially from the source.
The device converts 0V to 2.5V unipolar inputs differen-
tially, or
±1.25V
bipolar inputs also differentially,
depending on the state of the BIP pin. Any analog input
may swing rail-to-rail as long as the differential input
range is maintained.
The conversion sequence can be abbreviated to convert
fewer than six channels, depending on the logic state of
the SEL2, SEL1 and SEL0 inputs.
The serial interface sends out the six conversion results in
96 clocks for compatibility with standard serial interfaces.
FEATURES
600ksps ADC with 6 Simultaneously Sampled
Differential Inputs
100ksps Throughput per Channel
72dB SINAD
Low Power Dissipation: 15mW
3V Single Supply Operation
2.5V Internal Bandgap Reference, Can be Overdriven
with External Reference
3-Wire SPI-Compatible Serial Interface
0V to 2.5V Unipolar, or
±1.25V
Bipolar Differential
Input Range
SLEEP (6µW) Shutdown Mode
NAP (3.3mW) Shutdown Mode
Internal Conversion Triggered by CONV
83dB Common Mode Rejection
Tiny 32-Pin (5mm
×
5mm) QFN Package
APPLICATIO S
Multiphase Power Measurement
Multiphase Motor Control
Data Acquisition Systems
Uninterruptable Power Supplies
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6084440, 6522187.
BLOCK DIAGRA
CH5
CH5
+
CH4
CH4
+
21
20
19
18
17
CH3
CH3
+
CH2
CH2
+
CH1
CH1
+
CH0
CH0
+
10µF
V
CC
16
15
14
12
13
11
10
9
8
7
6
5
4
24
S AND H
S AND H
S AND H
S AND H
S AND H
S AND H
600ksps
12-BIT ADC
MUX
TIMING
LOGIC
30
32
V
REF
10µF
23
29
BIP
26
27
28
235114 TA01
2.5V
REFERENCE
GND
33
22
U
W
U
3V
V
DD
25
12-BIT LATCH 0
12-BIT LATCH 1
12-BIT LATCH 2
12-BIT LATCH 3
12-BIT LATCH 4
12-BIT LATCH 5
OV
DD
3V
SD0
0.1µF
2
OGND
+
+
+
+
+
+
THREE-
STATE
SERIAL
OUTPUT
PORT
3
1
CONV
SCK
DGND
31
SEL2 SEL1 SEL0
140812f
1

LTC1408IUH-12#PBF Related Products

LTC1408IUH-12#PBF LTC1408CUH-12#PBF LTC1408CUH-12#TRPBF LTC1408IUH-12#TRPBF
Description 6-Channel Single ADC 600ksps 12-bit Serial 32-Pin QFN EP Tube 6-Channel Single ADC 600ksps 12-bit Serial 32-Pin QFN EP Tube 6-Channel Single ADC 600ksps 12-bit Serial 32-Pin QFN EP T/R 6-Channel Single ADC 600ksps 12-bit Serial 32-Pin QFN EP T/R
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active
Converter Type General Purpose General Purpose General Purpose General Purpose
Resolution 12bit 12bit 12bit 12bit
Number of ADCs 1 1 1 1
Number of Input Channels 6 6 6 6
Sampling Rate 600ksps 600ksps 600ksps 600ksps
Digital Interface Type Serial (3-Wire, SPI) Serial (3-Wire, SPI) Serial (3-Wire, SPI) Serial (3-Wire, SPI)
Input Type Voltage Voltage Voltage Voltage
Input Signal Type Single-Ended|Differential Single-Ended|Differential Differential|Single-Ended Differential|Single-Ended
Voltage Reference Internal|External Internal|External External|Internal External|Internal
Polarity of Input Voltage Unipolar|Bipolar Unipolar|Bipolar Bipolar|Unipolar Bipolar|Unipolar
Voltage Supply Source Analog and Digital Analog and Digital Analog and Digital Analog and Digital
Input Voltage 2.5V|±1.25V 2.5V|±1.25V ±1.25V|2.5V ±1.25V|2.5V
Minimum Single Supply Voltage (V) 2.7 2.7 2.7 2.7
Typical Single Supply Voltage (V) 3 3 3 3
Maximum Single Supply Voltage (V) 3.6 3.6 3.6 3.6
Typical Power Dissipation (mW) 15 15 15 15
Maximum Power Dissipation (mW) 100 100 100 100
Integral Nonlinearity Error ±1LSB ±1LSB ±1LSB ±1LSB
No Missing Codes (bit) 12 12 12 12
Sample and Hold Yes Yes Yes Yes
Single-Ended Input Yes Yes Yes Yes
Digital Supply Support Yes Yes Yes Yes
Maximum Operating Temperature (°C) 85 70 70 85
Packaging Tube Tube Tape and Reel Tape and Reel
Supplier Temperature Grade Industrial Commercial Commercial Industrial
Pin Count 32 32 32 32
Standard Package Name QFN QFN QFN QFN
Supplier Package QFN EP QFN EP QFN EP QFN EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max)
Package Length 5 5 5 5
Package Width 5 5 5 5
PCB changed 32 32 32 32
Lead Shape No Lead No Lead No Lead No Lead
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 -
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