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LTC1608CG#PBF

Description
IC A/D CONV 16BIT SAMPLNG 36SSOP
CategoryAnalog mixed-signal IC    converter   
File Size790KB,20 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC1608CG#PBF Overview

IC A/D CONV 16BIT SAMPLNG 36SSOP

LTC1608CG#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeSSOP
package instructionSSOP, SSOP36,.3
Contacts36
Manufacturer packaging codeG
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum analog input voltage2.5 V
Minimum analog input voltage-2.5 V
Maximum conversion time1.8 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G36
JESD-609 codee3
length12.8 mm
Maximum linear error (EL)0.0061%
Humidity sensitivity level1
Nominal negative supply voltage-5 V
Number of analog input channels1
Number of digits16
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)260
power supply+-5 V
Certification statusNot Qualified
Sampling rate0.5 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height2 mm
Nominal supply voltage5 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
width5.3 mm
LTC1608
High Speed, 16-Bit, 500ksps
Sampling A/D Converter
with Shutdown
FEATURES
s
s
s
s
s
s
s
DESCRIPTIO
s
s
s
s
s
A Complete, 500ksps 16-Bit ADC
90dB S/(N+D) and –100dB THD (Typ)
Power Dissipation: 270mW (Typ)
No Pipeline Delay
No Missing Codes Over Temperature
Nap (7mW) and Sleep (10
µ
W) Shutdown Modes
Operates with Internal 15ppm/°C Reference
or External Reference
True Differential Inputs Reject Common Mode Noise
5MHz Full Power Bandwidth
±2.5V
Bipolar Input Range
36-Pin SSOP Package
Pin Compatible with the LTC1604
The LTC
®
1608 is a 500ksps, 16-bit sampling A/D con-
verter that draws only 270mW from
±5V
supplies. This
high performance device includes a high dynamic range
sample-and-hold, a precision reference and a high speed
parallel output. Two digitally selectable power shutdown
modes provide power savings for low power systems.
The LTC1608’s full-scale input range is
±
2.5V. Outstand-
ing AC performance includes 90dB S/(N+D) and – 100dB
THD at a sample rate of 500ksps.
The unique differential input sample-and-hold can acquire
single-ended or differential input signals up to its 15MHz
bandwidth. The 68dB common mode rejection allows
users to eliminate ground loops and common mode noise
by measuring signals differentially from the source.
The ADC has
µP
compatible,16-bit parallel output port.
There is no pipeline delay in conversion results. A separate
convert start input and a data ready signal (BUSY) ease
connections to FlFOs, DSPs and microprocessors.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Circuitry in the LTC1608 is covered under US Patent #5,764,175
APPLICATIO S
s
s
s
s
s
s
Telecommunications
Digital Signal Processing
Multiplexed Data Acquisition Systems
High Speed Data Acquisition
Spectrum Analysis
Imaging Systems
TYPICAL APPLICATIO
2.2µF
10µF
10Ω
36
3
V
REF
5V 10µF
5V
10µF
+
35
AV
DD
+
9
+
10
DGND
SHDN
33
AV
DD
DV
DD
LTC1608
4
REFCOMP
7.5k
1.75X
2.5V
REF
22µF
BUSY
27
OV
DD
29
5V OR
3V
10µF
AMPLITUDE (dB)
+
CONTROL
LOGIC
AND
TIMING
CS
32
CONVST
31
RD
30
µP
CONTROL
LINES
+
1
A
IN
DIFFERENTIAL
ANALOG INPUT
±
2.5V
+
OGND 28
16-BIT
SAMPLING
ADC
AGND
5
AGND
6
B15 TO B0
OUTPUT
BUFFERS
16-BIT
PARALLEL
BUS
11 TO 26
1608 TA01
2
A
IN–
D15 TO D0
AGND
7
AGND V
SS
8
34
+
–5V
10µF
U
LTC1608 4096 Point FFT
0
–20
–40
–60
–80
–100
–120
–140
0
50
150
FREQUENCY (kHz)
100
200
250
1608 TA02
+
U
U
f
SAMPLE
= 500kHz
f
IN
= 98.754kHz
SINAD = 86.7dB
THD = –92.6dB
1
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