VCA2615 Datasheet, PDF (23/29 Pages) Texas Instruments – Dual, Low-Noise Variable-Gain Amplifier with Preamp

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LNP
Input
(50mV/div)
Differential Output
(500mV/div)
V_CNTL = 0.7V
Time (200ns/div)
Figure 67. Before Overload (100mV_PP Input)
VCA2615
SBOS316C − JULY 2005 − REVISED SEPTEMBER 2005
LNP
Input
(100mV/div)
Differential Output
(500mV/div)
V_CNTL = 0.7V
Time (200ns/div)
Figure 69. Overload (240mV_PP Input)
LNP
Input
(50mV/div)
LNP
Input
(500mV/div)
Differential Output
(500mV/div)
Differential Output
(1V/div)
V_CNTL = 0.7V
Time (200ns/div)
Figure 68. Approaching Overload (120mV_PP Input)
POWER-DOWN MODES
When V_DD (5V) is applied to the VCA2615, the total power
dissipation is typically 308mW. When the power is initially
applied to the VCA2615 with both PDV and PDL pins at a
logic low, the typical power dissipation will be 5mW. After
the VCA2615 has been enabled, if the PDL line is low with
the PDV line high, the typical power dissipation will be
approximately 100mW. After the VCA2615 has been
enabled, if the PDV line is low with the PDL line high, the
typical power dissipation will be approximately 200mW.
V_CNTL = 0.7V
Time (200ns/div)
Figure 70. Extreme Overload (2V_PP Input)
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