ADA4937-1_15 Datasheet, PDF (22/29 Pages) Analog Devices – Ultralow Distortion Differential ADC Driver

Data Sheet
ADA4937-1/ADA4937-2
Table 10. Differential Ground-Referenced Input, DC-Coupled, 1 kΩ Load; See Figure 54
Nominal Gain (dB)
RF (Ω) RG (Ω) RIN, dm (Ω) Differential Output Noise Density (nV/√Hz)
0
200 200 400
5.8
6
402 200 400
9.6
10
402 127 254
12.1
14
402 80.6 161
16.2
Table 11. Single-Ended Ground-Referenced Input, DC-Coupled, RS = 50 Ω, RL = 1 kΩ; See Figure 55
Nominal Gain (dB)
RF (Ω) RG1 (Ω) RT (Ω) RIN, cm (Ω) RG2 (Ω)¹ Differential Output Noise Density (nV/√Hz)
0
200 200
61.9 267
226
5.5
6
402 200
60.4 301
228
8.6
10
402 127
66.5 205
155
10.1
14
402 80.6
76.8 138
111
12.2
1 _{RG2 = RG1 + (RS||RT)}
Rev. D | Page 21 of 28