ada4950-1 Analog Devices, Inc., ada4950-1 Datasheet - Page 16

• Manufacturer Part Number: ada4950-1
• Description: Low Power, Selectable Gain Differential Adc Driver, G = 1, 2, 3
• Manufacturer: Analog Devices, Inc.

ADA4950-1/ADA4950-2
TEST CIRCUITS
DC-COUPLED
V
SOURCE
IN
DIFFERENTIAL NETWORK
50Ω
ANALYZER SOURCE
49.9Ω
49.9Ω
LOW-PASS
FILTER
DC-COUPLED
V
SOURCE
IN
25.5Ω
50Ω
53.6Ω
56.2Ω
56.2Ω
Figure 51. Test Circuit for Distortion Measurements
25.5Ω
Figure 50. Test Circuit for Output Balance, CMRR
Figure 49. Equivalent Basic Test Circuit, G = 1
0.1µF
NC
NC
53.6Ω
NC
NC
250Ω
500Ω
500Ω
250Ω
V
OCM
0.1µF
Rev. 0 | Page 16 of 28
250Ω
500Ω
500Ω
250Ω
V
NC
NC
OCM
500Ω
500Ω
ADA4950-x
250Ω
500Ω
500Ω
250Ω
V
OCM
+5V
–5V
500Ω
500Ω
ADA4950-x
+5V
–5V
500Ω
500Ω
ADA4950-x
+5V
–5V
0.1µF
0.1µF
49.9Ω
49.9Ω
442Ω
442Ω
261Ω
DIFFERENTIAL NETWORK
ANALYZER RECEIVER
200Ω
1kΩ
CT
2:1
50Ω
50Ω
50Ω
FILTER
DUAL