Datasheet

THS7530
www.ti.com SLOS405C –DECEMBER 2002–REVISED FEBRUARY 2010
SPECIFICATIONS: MAIN AMPLIFIER
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
AC PERFORMANCE (See Figure 1)
Small-signal bandwidth All gains, P
IN
= –45 dBm 300 MHz Typ
1-V
PP
Step, 25% to 75%, minimum
Slew rate
(1)
1250 V/µs Typ
gain
Settling time to 1%
(1)
1-V
PP
Step, minimum gain 11 ns Typ
Harmonic distortion V
O(PP)
= 1 V, R
L(diff)
= 400 Ω
2nd Harmonic f = 32 MHz –65 dBc Typ
3rd Harmonic f = 32 MHz –61 dBc Typ
P
O
= –10 dBm each tone,
Third-order intermodulation distortion –62 dBc Typ
f
C
= 70 MHz, 200-kHz tone spacing
Third-order output intercept point f
C
= 70 MHz, 200-kHz tone spacing 21 dBm Typ
Noise figure (with input termination) Source impedance: 50 Ω 9 dB Typ
Total input voltage noise f > 100 kHz 1.1 nV/√Hz Typ
DC PERFORMANCE—INPUTS (See Figure 2)
Input bias current 20 39 40 µA Max
Input bias current offset <150 pA Typ
Minimum input voltage Minimum gain 1.5 1.6 1.7 V Max
Maximum input voltage Minimum gain 3.5 3.35 3.2 V Min
Common-mode rejection ratio 114 56 44 dB Min
Differential input impedance 8.5 || 3.0 kΩ || pF Typ
DC PERFORMANCE—OUTPUTS (See Figure 2)
Output offset voltage All gains ±100 ±340 ±480 mV Max
Maximum output voltage high 3.5 3.275 3.25 V Min
Minimum output voltage low 1.5 1.7 1.8 V Max
Output current ±37 ±16 ±16 mA Min
Output impedance 15 Ω Typ
OUTPUT COMMON-MODE VOLTAGE CONTROL (See Figure 2)
Small-signal bandwidth 32 MHz Typ
Gain 1.00 V/V Typ
Common-mode offset voltage 4.5 12 13.8 mV Max
Minimum input voltage 1.75 V Typ
Maximum input voltage 3.25 V Typ
Input impedance 25 || 1 kΩ || pF Typ
Default voltage, with no connect 2.5 V Typ
Input bias current <1 µA Typ
(1) Slew rate and settling time measured at amplifier output.
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