ADM3493ARZ1 Просмотр технического описания (PDF) - Analog Devices
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ADM3493ARZ1 Datasheet PDF : 12 Pages
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TEST CIRCUITS
A
RL/2
VOD
RL/2 VOC
B
Figure 3. Driver VOD and VOC
375Ω
D
VOD
RL
VCM =
–7V TO +12V
VCC
375Ω
Figure 4. Driver VOD with Varying Common-Mode Voltage
VID
R
0
VOL
IOL VOH
IOH
(+)
(–)
Figure 5. Receiver VOH and VOL
GENERATOR1
D
50Ω
VCC
CL
RL =
60Ω
OUT
CL = 15pF2
1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 6. Driver Differential Output Delay and Transition Times
VOM
S1
D
GENERATOR1
50Ω
VCC
RL = 27Ω
OUT
CL = 15pF2
VOH + VOL
VOM =
2
≈ 1.5V
1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 7. Driver Propagation Delays
ADM3493
0V OR 3V
S1
D
CL = 50pF2
OUT
RL = 110Ω
GENERATOR1
50Ω
VOH + VOL
VOM =
2
≈ 1.5V
1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 8. Driver Enable and Disable Times (tPZH, tPSH, tPHZ)
VCC
0V OR 3V
S1
D
CL = 50pF2
RL = 110Ω
OUT
GENERATOR1
50Ω
1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 9. Driver Enable and Disable Times (tPZL, tPSL, tPLZ)
GENERATOR1
50Ω
VID R
OUT
CL = 15pF2
1.5V
0
VOM
=
VCC
2
1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 10. Receiver Propagation Delay
+1.5V
–1.5V
S3
VID R
1kΩ
CL2
S1
VCC
S2
GENERATOR1
50Ω
1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 11. Receiver Enable and Disable Times
Rev. 0 | Page 7 of 12
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