LTC2365 Datasheet, PDF (1/24 Pages) Linear Technology – 1Msps/3Msps, 12-Bit Serial Sampling ADCs in TSOT

FEATURES
n _{12-Bit Resolution}
n _{1Msps/3Msps Sampling Rates}
n _{Low Noise: 73dB SNR}
n _{Low Power Dissipation: 6mW}
n _{Single Supply 2.35V to 3.6V Operation}
n _{No Data Latency}
n _{Sleep Mode with 0.1μA Typical Supply Current}
n _{Dedicated External Reference (TSOT23-8)}
n _{1V to 3.6V Digital Output Supply (TSOT23-8)}
n _{SPI/MICROWIRE}^™ _{Compatible Serial I/O}
n _{Guaranteed Operation from –40°C to 125°C}
n _{6- and 8-Lead TSOT-23 Packages}
APPLICATIONS
n _{Communication Systems}
n _{Data Acquisition Systems}
n _{Handheld Terminal Interface}
n _{Medical Imaging}
n _{Uninterrupted Power Supplies}
n _{Battery Operated Systems}
n _Automotive
LTC2365/LTC2366
1Msps/3Msps, 12-Bit Serial
Sampling ADCs in TSOT
DESCRIPTION
The LTC^®2365/LTC2366 are 1Msps/3Msps, 12-bit, sam-
pling A/D converters that draw only 2mA and 2.6mA, re-
spectively, from a single 3V supply. These high performance
devices include a high dynamic range sample-and-hold
and a high speed serial interface. The full scale input is
0V to V_DD or V_REF . Outstanding AC performance includes
72dB SINAD and –80dB THD at sample rates of 3Msps.
The serial interface provides flexible power management
and allows maximum power efficiency at low throughput
rates. These devices are available in tiny 6- and 8-lead
TSOT-23 packages.
The serial interface, tiny TSOT-23 package and extremely
high sample rate-to-power ratio make the LTC2365/LTC2366
ideal for compact, low power, high speed systems.
The high impedance single-ended analog input and the
ability to operate with reduced spans (down to 1.4V full
scale) allow direct connection to sensors and transducers in
many applications, eliminating the need for gain stages.
L, 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.
TYPICAL APPLICATION
12-Bit TSOT23-6/-8 ADC Family
DATA OUTPUT RATE 3Msps 1Msps
Part Number
LTC2366 LTC2365
500ksps
LTC2362
250ksps
LTC2361
100ksps
LTC2360
Single 3V Supply, 3Msps, 12-Bit Sampling ADC
3V
10μF
ANALOG INPUT
0V TO 3V
LTC2366
V_DD
CS
V_REF SDO
GND SCK
A_IN
OV_DD
23656 TA01
SERIAL DATA LINK TO
ASIC, PLD, MPU, DSP
OR SHIFT REGISTERS
DIGITAL OUTPUT SUPPLY
4.7μF ^{1V TO 3.6V}
1MHz Sine Wave 8192 FFT Plot
0
V_DD = 3V
–20
f_SMPL = 3Msps
f_IN = 994kHz
SINAD = 72dB
–40 THD = –80.3dB
–60
–80
–100
–120
–140
0
250 500 750 1000 1250 1500
INPUT FREQUENCY (kHz)
23656 TA01b
23656f
1