LTC2393-16
16-Bit, 1Msps SAR ADC
With 94dB SNR
FEATURES
DESCRIPTION
The LTC®2393-16 is a low noise, high speed 16-bit suc-
cessive approximation register (SAR) ADC. Operating
from a single 5V supply, the LTC2393-16 supports a large
±±.ꢀ96V fully differential input range, maꢁing it ideal for
high performance applications which require maximum
dynamicrange.TheLTC2393-16achieves±2LSꢂꢃILmax,
no missing codes at 16-bits and 9±.2dꢂ SIR (typ).
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1Msps Throughput Rate
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±±2LS ꢀI2 ꢁMaꢂx
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Guaranteed 16-Sit Io Missing Codes
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94.±dS LIR ꢁTypx at f = ±0kHz
ꢀI
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Guaranteed Operation to 125/C
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Single 5V Supply
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1.8V to 5V ꢃꢄO Voltages
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1±ꢀmW Power Dissipation
The LTC2393-16 includes a precision internal reference
with a guaranteed ꢀ.5% initial accuracy and a ±2ꢀppmꢄ/C
(max)temperaturecoefficient.Fast1Mspsthroughputwith
nocyclelatencyinbothparallelandserialinterfacemodes
maꢁes the LTC2393-16 ideally suited for a wide variety
of high speed applications. An internal oscillator sets the
conversion time, easing external timing considerations.
The LTC2393-16 dissipates only 1±ꢀmW at 1Msps, while
both nap and sleep power-down modes are provided to
further reduce power during inactive periods.
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±±.ꢀ96V Differential ꢃnput Range
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ꢃnternal Reference (2ꢀppmꢄ/C Max)
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Io Pipeline Delay, Io Cycle Latency
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Parallel and Serial ꢃnterface
ꢃnternal Conversion Clocꢁ
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±8-pin 7mm × 7mm LQFP and QFI Pacꢁages
APPLICATIONS
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Medical ꢃmaging
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarꢁs of Linear
Technology Corporation. All other trademarꢁs are the property of their respective owners.
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High Speed Data Acquisition
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Digital Signal Processing
ꢃndustrial Process Control
ꢃnstrumentation
ATE
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TYPICAL APPLICATION
16k Point FFT fL = 1Msps,
5V
5V
ꢀ.1μF
1.8V TO 5V
±.7μF
fꢀI = ±0kHz
1ꢀμF
ꢀ.1μF
1ꢀμF
ꢀ
–2ꢀ
SIR = 9±.2dꢂ
THD ꢀ –1ꢀ5dꢂ
SꢃIAD = 93.9dꢂ
SFDR = 1ꢀ8dꢂ
AIALOG ꢃIPUT
ꢀV TO ±.ꢀ96V
AVP
DVP
OVP
PARALLEL
OR
SERꢃAL
ꢃITERFACE
–±ꢀ
2±9Ω
16 ꢂꢃT
+
ꢃI
–6ꢀ
–8ꢀ
LT635ꢀ
22ꢀꢀpF
2±9Ω
LTC2393-16
SERꢄPAR
ꢂYTESWAP
Oꢂꢄ2C
CS
–1ꢀꢀ
–12ꢀ
–1±ꢀ
–16ꢀ
–
ꢃI
RD
SꢃIGLE-EIDED-
TO-DꢃFFEREITꢃAL
DRꢃVER
ꢂUSY
VCM REFꢃI REFOUT CNVST PD RESET GID OGID
1ꢀμF 1μF
239316 TAꢀ1
SAMPLE CLOCK
–18ꢀ
ꢀ
±ꢀꢀ
5ꢀꢀ
1ꢀꢀ
2ꢀꢀ
3ꢀꢀ
FREQUEICY (ꢁHz)
239316 Gꢀ8
239316f
1