ada4939-1 Analog Devices, Inc., ada4939-1 Datasheet - Page 15

• Manufacturer Part Number: ada4939-1
• Description: Ultralow Distortion Differential Adc Driver
• Manufacturer: Analog Devices, Inc.

TEST CIRCUITS
V
IN
50Ω
AC-COUPLED
V
NETWORK
ANALYZER
LOW-PASS
IN
OUTPUT
FILTER
V
IN
50Ω
Figure 41. Test Circuit for Distortion Measurements
50Ω
60.4Ω
Figure 40. Test Circuit for Output Balance, CMRR
0.1µF
60.4Ω
Figure 39. Equivalent Basic Test Circuit, G = 2
60.4Ω
200Ω
V
0.1µF
200Ω
OCM
200Ω
200Ω
60.4Ω
0.1µF
0.1µF
V
OCM
Rev. 0 | Page 15 of 24
200Ω
V
0.1µF
200Ω
OCM
402Ω
402Ω
ADA4939
402Ω
402Ω
ADA4939
5V
+2.5V
–2.5V
402Ω
402Ω
ADA4939
5V
0.1µF
0.1µF
49.9Ω
49.9Ω
49.9Ω
49.9Ω
442Ω
442Ω
261Ω
AC-COUPLED
200Ω
NETWORK
ANALYZER
1kΩ
INPUT
CT
50Ω
2:1
50Ω
FILTER
ADA4939-1/ADA4939-2
DUAL