ADA4927-1 AD [Analog Devices], ADA4927-1 Datasheet - Page 15

• Manufacturer Part Number: ADA4927-1
• Description: Ultralow Distortion Current Feedback Differential ADC Driver
• Manufacturer: AD [Analog Devices]

TEST CIRCUITS
DC-COUPLED
GENERATOR
V
IN
50Ω
AC-COUPLED
V
NETWORK
ANALYZER
IN
OUTPUT
LOW-PASS
FILTER
50Ω
25.5Ω
DC-COUPLED
GENERATOR
V
IN
56.2Ω
56.2Ω
Figure 45. Test Circuit for Distortion Measurements
50Ω
Figure 44. Test Circuit for Output Balance, CMRR
Figure 43. Equivalent Basic Test Circuit, G = 1
301Ω
V
0.1µF
56.2Ω
301Ω
OCM
301Ω
301Ω
0.1µF
V
OCM
Rev. 0 | Page 15 of 24
301Ω
301Ω
0.1µF
301Ω
301Ω
ADA4927
301Ω
301Ω
+5V
–5V
ADA4927
+5V
–5V
301Ω
301Ω
ADA4927
+5V
–5V
0.1µF
0.1µF
49.9Ω
49.9Ω
442Ω
442Ω
261Ω
200Ω
ANALYZER INPUT
ANALYZER INPUT
DIFFERENTIAL
DIFFERENTIAL
CT
1kΩ
NETWORK
NETWORK
2:1
50Ω
50Ω
50Ω
FILTER
DUAL
ADA4927-1/ADA4927-2
HP
LP