THS7530 Datasheet, PDF (3/24 Pages) Texas Instruments – HIGH-SPEED, FULLY DIFFERENTIAL, CONTINUOUSLY VARIABLE GAIN AMPLIFIER

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)
PARAMETER
TEST CONDITIONS
TYP
+25°C
OVER TEMPERATURE
+25°C
-40°C to
+85°C
UNITS
MIN/
MAX
AC PERFORMANCE (See Figure 1)
Small-signal bandwidth
Slew rate⁽¹⁾
Settling time to 1% ⁽¹⁾
Harmonic distortion
2nd Harmonic
All gains, P_IN = –45 dBm
1-V_PP Step, 25% to 75%, minimum
gain
1-V_PP Step, minimum gain
V_O(PP) = 1 V, R_L(diff)= 400 Ω
f = 32 MHz
300
1250
11
–65
MHz Typ
V/µs Typ
ns
Typ
dBc Typ
3rd Harmonic
f = 32 MHz
–61
dBc Typ
Third-order intermodulation distortion
Third-order output intercept point
Noise figure (with input termination)
P_O = –10 dBm each tone,
f_C= 70 MHz, 200-kHz tone spacing
–62
f_C= 70 MHz, 200-kHz tone spacing
21
Source impedance: 50 Ω
9
dBc Typ
dBm Typ
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.
Copyright © 2002–2010, Texas Instruments Incorporated
Product Folder Link(s): THS7530
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