ADI AD7625BCPZRL7

The AD7625 is a 16-bit, 6 MSPS charge redistribution successive approximation register (SAR) ADC. The SAR architecture delivers unmatched noise performance (93 dB SNR) and linearity (1 LSB). The AD7625 integrates a high-speed 16-bit sampling ADC, an internal conversion clock, and an internal buffered reference. On the rising edge of CNV±, the device samples the voltage difference between the IN+ and IN− pins. The voltage on these pins swings within an inverting range of 0 V to REF. The reference voltage (REF) is 4.096 V; it can be generated internally or supplied externally. All conversion results are available through either an LVDS self-clocked serial interface or an echo clock serial interface, reducing external hardware connections. The AD7625 is available in a 32-lead, 5 mm × 5 mm LFCSP package and operates over a temperature range of −40°C to +85°C.

• Throughput rate: 6 MSPS
• SNR: 93 dB
• INL: ±0.45 LSB (typical), ±1 LSB (maximum)
• DNL: ±0.3 LSB (typical), ±0.5 LSB (maximum)
• Power consumption: 135 mW
• 32-lead LFCSP (5 mm × 5 mm)
• SAR architecture, no latency/no pipeline delay
• 16-bit resolution, no missing codes
• Zero-scale error: ±1.5 LSB
• Differential input voltage: ±4.096 V
• Serial LVDS interface, self-clocked mode, echo clock mode, conversion control (CNV signal) compatible with LVDS or CMOS
• Reference voltage options — Internal: 4.096 V; External (1.2 V) buffered to 4.096 V; External: 4.096 V

• High dynamic range communications
• Receivers
• Digital imaging systems
• High-speed data acquisition
• Spectrum analysis
• Test equipment