Features: Single-ended-to-differential converter Ultralow distortion120 dBc THD @ 10 kHz Low noise97 dB SNR @ 100 kHz, VO = 4 V p-p Extremely low power2.1 mA (3 V supply) High input impedance Easy-to-use gain adjustmentNo external components for G = +2External resistors can be used for additional...
ADA4941-1: Features: Single-ended-to-differential converter Ultralow distortion120 dBc THD @ 10 kHz Low noise97 dB SNR @ 100 kHz, VO = 4 V p-p Extremely low power2.1 mA (3 V supply) High input impedance Easy-...
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-3 dB BW (MHz) | 30MHz |
Minimum Gain (Acl) | 2 |
Supply Current | 2.3mA |
Slew Rate (V/us) | 22V/s |
Distortion (2nd) (dBc) | -75dBc |
Distortion (3rd) (dBc) | -71dBc |
Package | 8-Lead LFCSP,8-Lead SOIC |
The ADA4941-1 is a low power, differential driver for 16- to 18- bit ADCs. Configured in an easy-to-use, single-ended-todifferential G = +2 configuration, the ADA4941-1 requires no external components to drive ADCs with differential inputs provided that the IN- pin is tied to the OUT+ pin. A resistive network around the IN- pin can be used for additional gain as needed. The ADA4941-1 provides essential benefits, such as low distortion and high SNR, that arerequired for driving high resolution ADCs.
With a wide input voltage range (0 V to 4 V on a single 5 V supply), rail-to-rail output, and high input impedance, the ADA4941-1 is designed to drive single-supply ADCs found in a variety of low power applications, including battery-operated instruments and single-supply data acquisition systems.
The ADA4941-1 is manufactured on ADI's proprietary 2nd generation XFCB process that enables the single-ended-todifferential converter to achieve 18-bit performance using only 2.1 mA of supply current.
The ADA4941-1 is ideal for driving 16- to 18-bit differential PulSAR™ ADCs such as the AD7690 and AD7691.
The ADA4941-1 is available in a small 8 lead LFCSP packaging as well as 8-lead SOIC packaging. The ADA4941-1 is rated to work over the extended industrial temperature range, −40°C to +125°C.