Datasheet Analog Devices ADA4950-1YCPZ-R2 — Даташит

Low Power, Selectable Gain
Differential ADC Driver, G = 1, 2, 3
ADA4950-1/ADA4950-2 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAMS
13 -VS 14 -VS 16 -VS 15 -VS ADA4950-1 11 -OUT -INA 3 10 +OUT -INB 4 9 07957-001 VOCM +VS 8 +VS 7 12 PD +INA 2 +VS 5 +INB 1 +VS 6 High performance at low power
High speed
−3 dB bandwidth of 750 MHz, G = 1
0.1 dB flatness to 210 MHz, VOUT, dm = 2 V p-p, RL, dm = 200 Ω
Slew rate: 2900 V/µs, 25% to 75%
Fast 0.1% settling time of 9 ns
Low power: 9.5 mA per amplifier
Low harmonic distortion
108 dB SFDR @ 10 MHz
98 dB SFDR @ 20 MHz
Low output voltage noise: 9.2 nV/√Hz, G = 1, RTO
±0.2 mV typical input offset voltage
Selectable differential gains of 1, 2, and 3
Differential-to-differential or single-ended-to-differential
operation
Adjustable output common-mode voltage
Input common-mode range shifted down by 1 VBE
Wide supply range: +3 V to ±5 V
Available in 16-lead and 24-lead LFCSP packages Figure 1. ADA4950-1 20 PD1 19 -OUT1 21 -VS1 22 -VS1 24 +INA1 23 +INB1 ADA4950-2 -INA1 1 18 +OUT1 -INB1 2 17 VOCM1 …