16-Bit 80/100 MSPS A/D Converter
Preliminary Technical Data
FEATURES
100 MSPS guaranteed sampling rate 100 dB two-tone SFDR with 30 MHz and 31 MHz 81.6 d...
Description
Preliminary Technical Data
FEATURES
100 MSPS guaranteed sampling rate 100 dB two-tone SFDR with 30 MHz and 31 MHz 81.6 dB SNR with 30 MHz input (3.2 V p-p input, 80Msps) 90 dBc SFDR with30 MHz input (3.2 V p-p input, 80Msps) Excellent linearity DNL = ±0.5 LSB typical INL = ±3.0 LSB typical 2.3 W power dissipation 3.3 V and 5 V supply operation 2.0 V p-p to 3.2 V p-p differential full-scale input LVDS outputs (ANSI-644 compatible) or CMOS outputs Data format select (offset binary or twos compliment) Output clock available
16-Bit, 80/100 MSPS, A/D Converter AD9446
FUNCTIONAL BLOCK DIAGRAM
AGND AVDD1 AVDD2 DRGND DRVDD DFS DCS MODE OUTPUT MODE
AD9446
VIN+ VINBUFFER
T/H
PIPELINE ADC
16 OR LVDS
CMOS
OUTPUT STAGING
2 32
OR D15D0 DCO
CLK+ CLK-
CLOCK &TIMING MANAGEMENT
REF
2
VREF SENSE REFT REFB
Figure 1.
APPLICATIONS
Multicarrier, multimode cellular receivers Antenna array positioning Power amplifier linearization Broadband wireless Radar Infrared imaging Communications instrumentation
Optional features allow users to implement various selectable operating conditions, including data format select and output data mode. The AD9446 is available in a 100-lead surface-mount plastic package (100-lead TQFP/EP) specified over the industrial temperature range −40°C to +85°C.
PRODUCT HIGHLIGHTS
1. True 16 bit linearity. 2. High performance: outstanding SFDR performance for multicarrier, multimode 3G and 4G cellular base station receivers. 3. Ease of use: on-chip reference and ...
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