Datasheet

THS7530
SLOS405C –DECEMBER 2002–REVISED FEBRUARY 2010 www.ti.com
SPECIFICATIONS: MAIN AMPLIFIER (continued)
V
S+
= 5 V, V
S-
= 0 V, V
OCM
= 2.5 V, V
ICM
= 2.5 V, V
G-
= 0 V, V
G+
= 1 V (maximum gain), T
A
= 25°C, ac performance measured
using the ac test circuit shown in Figure 1 (unless otherwise noted). DC performance is measured using the dc test circuit
shown in Figure 2 (unless otherwise noted)
TYP OVER TEMPERATURE
PARAMETER TEST CONDITIONS
-40°C to MIN/
+25°C +25°C UNITS
+85°C MAX
GAIN CONTROL (See Figure 2)
Gain control differential voltage range V
G+
0 to 1 V Typ
Minus gain control voltage V
G–
– V
S–
–0.6 to 0.8 V Typ
Minimum gain V
G+
= 0 V 11.6 dB Typ
Maximum gain V
G+
= 0.9 V 46.5 dB Typ
Gain slope V
G+
= 0 V to 0.9 V 38.8 dB/V Typ
Gain slope variation V
G+
= 0 V to 0.9 V ±1.5 dB/V Typ
V
G+
= 0 V to 0.15 V ±4 dB Typ
Gain error
V
G+
= 0.15 V to 0.9 V ±2.25 dB Typ
Gain control input bias current <1 µA Typ
Gain control input resistance 40 kΩ Typ
Gain control bandwidth Small signal –3 dB 15 MHz Typ
VOLTAGE CLAMPING (See Figure 2)
Output voltages (V
OUT±
) relative to clamp voltages
±25 ±38 ±60 mV Max
(V
CL±
)
In voltage limiting mode
Input resistance 3.3 kΩ Typ
V
CL±
Voltage limits V
S–
to V
S+
V Typ
POWER SUPPLY (See Figure 2)
Specified operating voltage 5 5.5 5.5 V Max
Maximum quiescent current 40 48 49 mA Max
Power supply rejection (±PSRR) 77 70 45 dB Min
POWERDOWN (See Figure 2)
Enable voltage threshold TTL low = shut down 1.4 1.0 V Min
Disable voltage threshold TTL high = normal operation 1.4 1.65 V Max
Power-down quiescent current 0.35 0.4 0.45 mA Max
Input current high 9 16 19 µA Max
Input current low 109 116 119 µA Max
Input impedance 50 || 1 kΩ || pF Typ
Turn-on time delay 820 ns Typ
Measured to 50% quiescent current
Turn-off time delay 500 ns Typ
Forward isolation in power down 80 dB Typ
Input resistance in power down > 1 MΩ Typ
Output resistance in power down 16 kΩ Typ
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