AD8137 Analog Devices, AD8137 Datasheet - Page 23

• Manufacturer Part Number: AD8137
• Description: Low Cost, Low Power 12-Bit Differential ADC Driver
• Manufacturer: Analog Devices

Figure 68. AD8137 Performance on Single 5 V Supply, −1.82 dBFS
–100
–110
–120
–130
–140
–150
–160
–170
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
20
40
GND
FREQUENCY (kHz)
60
80
20kHz
V
100
IN
THD = –93.63dBc
SNR = 91.10dB
SINAD = 89.74dB
ENOB = 14.6
Figure 67. AD8137 Driving AD7687, 16-Bit 250 KSPS ADC
120
BPF
140
+2.5
Rev. B | Page 23 of 24
499Ω
499Ω
V
OCM
V
AD8137
V
+
–
S
S
+
–
1.0kΩ
1.0kΩ
Figure 69. AD8137 Performance on +6 V, −1 V Supplies, −0.45 dBFS
–100
–110
–120
–130
–140
–150
–160
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
33Ω
33Ω
0
20
1nF
1nF
40
AD7687
FREQUENCY (kHz)
60
GND
V
V+
DD
80
100
THD = –91.75dBc
SNR = 91.35dB
SINAD = 88.75dB
ENOB = 14.4
120
AD8137
140