ADC12DL3200 Texas instruments

ADC12DL3200

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ADC12DL3200

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Описание

The ADC12DL3200 is an RF-sampling, giga-sample, analog-to-digital converter (ADC) that can directly sample input frequencies from DC to above 10 GHz. In dual-channel mode, the ADC12DL3200 can sample up to 3200 MSPS and in single-channel mode up to 6400 MSPS. Programmable tradeoffs in channel count (dual-channel mode) and Nyquist bandwidth (single-channel mode) allow development of flexible hardware that meets the needs of both high-channel count or wide instantaneous signal bandwidth applications. Full-power input bandwidth (–3 dB) of 8.0 GHz and a useable frequency range allows direct RF sampling of L-band, S-band, C-band, and X-band for frequency agile systems.The ADC12DL3200 uses a low-latency, low-voltage differential signaling (LVDS) interface for latency sensitive applications or when the simplicity of LVDS is preferred. The interface uses up to 48 data pairs, four double data rate (DDR) clocks, and four strobe signals arranged in four 12-bit data buses. The interface supports signaling rates of up to 1.6 Gbps. Strobe signals simplify synchronization across buses and between multiple devices. The strobe is generated internally and can be reset at a deterministic time by the SYSREF input. Multi-device synchronization is further eased by innovative synchronization features such as noiseless aperture delay (TAD) adjustment and SYSREF windowing.

ADC Core:
- 12-Bit Resolution
- Up to 6.4 GSPS in Single-Channel Mode
- Up to 3.2 GSPS in Dual-Channel Mode
Internal Dither for Low-Magnitude, High-Order Harmonics
Low-Latency LVDS Interface:
- Total Latency: < 10 ns
- Up to 48 Data Pairs at 1.6 Gbps
- Four DDR Data Clocks
- Strobe Signals Simplify Synchronization
Noise Floor (No Input, V_FS = 1.0 V_PP-DIFF):
- Dual-Channel Mode: –151.1 dBFS/Hz
- Single-Channel Mode: –154.3 dBFS/Hz
Buffered Analog Inputs With V_CMI of 0 V:
- Analog Input Bandwidth (–3 dB): 8.0 GHz
- Usable Input Frequency Range: > 10 GHz
- Full-Scale Input Voltage (V_FS, Default): 0.8 V_PP
Noiseless Aperture Delay (T_AD) Adjustment:
- Precise Sampling Control: 19-fs Step
- Simplifies Synchronization and Interleaving
- Temperature and Voltage Invariant Delays
Easy-to-Use Synchronization Features:
- Automatic SYSREF Timing Calibration
- Timestamp for Sample Marking
Power Consumption: 3.15 W

Sample rate (max) (Msps)	3200, 6400
Resolution (Bits)	12
Number of input channels	1, 2
Interface type	DDR LVDS, Parallel LVDS
Analog input BW (MHz)	8000
Features	Ultra High Speed
Rating	Catalog
Peak-to-peak input voltage range (V)	0.8
Power consumption (typ) (mW)	3150
Architecture	Folding Interpolating
SNR (dB)	57.9
ENOB (Bits)	9
SFDR (dB)	78
Operating temperature range (°C)	-40 to 85
Input buffer	Yes