General description
The ADC1215S is a single channel 12-bit Analog-to-Digital Converter (ADC) optimized for
high dynamic performance and low power consumption at sample rates up to 125 Msps.
Pipelined architecture and output error correction ensure the ADC1215S is accurate
enough to guarantee zero missing codes over the entire operating range. Supplied from a
single 3 V source, it can handle output logic levels from 1.8 V to 3.3 V in CMOS mode
because of a separate digital output supply.
The ADC1215S supports the Low Voltage Differential Signalling (LVDS) Double Data
Rate (DDR) output standard. An integrated Serial Peripheral Interface (SPI) allows the
user to easily configure the ADC.
The device also includes a SPI programmable full-scale to allow flexible input voltage
range from 1 V to 2 V (peak-to-peak). With excellent dynamic performance from the
baseband to input frequencies of 170 MHz or more, the ADC1215S is ideal for use in
communications, imaging and medical applications - especially in high Intermediate
Frequency (IF) applications because of the integrated input buffer. The input buffer
ensures that the input impedance remains constant and low and the performance
consistent over a wide frequency range.

Features and benefits
 SNR, 70 dBFS / SFDR, 86 dBc  Input bandwidth, 600 MHz
 Sample rate up to 125 Msps  Power dissipation, 635 mW at 80 Msps,
including analog input buffer
 12-bit pipelined ADC core  SPI
 Clock input divided by 2 for less jitter
contribution
 Duty cycle stabilizer
 Integrated input buffer  Fast OuT-of-Range (OTR) detection
 Flexible input voltage range: 1 V (p-p) to
2 V (p-p)
 Offset binary, two’s complement, gray
code
 CMOS or LVDS DDR digital outputs  Power-down and Sleep modes
 Pin compatible with the ADC1415S
series, the ADC1015S series and the
ADC1115S125
 HVQFN40 package