THS4502_16 Datasheet, PDF (6/48 Pages) Texas Instruments – Wideband, Low-Distortion Fully Differential Amplifiers

THS4502
THS4503
SLOS352E – APRIL 2002 – REVISED OCTOBER 2011
www.ti.com
ELECTRICAL CHARACTERISTICS V_S = 5 V (continued)
R_f = R_g = 499 Ω, R_L = 800 Ω, G = +1, Single-ended input unless otherwise noted.
THS4502 AND THS4503
PARAMETER
TEST CONDITIONS
TYP
25°C
OVER TEMPERATURE⁽¹⁾
25°C
0°C to
70°C
-40°C to
85°C
UNITS
Settling time to 0.1%
V_O = 2 V Step
8.3
ns
Harmonic distortion
V_O = 2 V_PP
2^nd harmonic
f = 8 MHz,
-81
dBc
f = 30 MHz
-60
dBc
3^rd harmonic
f = 8 MHz
-74
dBc
f = 30 MHz
-62
dBc
Input voltage noise
f > 1 MHz
6.8
nV/√Hz
Input current noise
f > 100 kHz
1.6
pA/√Hz
Overdrive recovery time
Overdrive = 5.5 V
75
ns
DC PERFORMANCE
Open-loop voltage gain
54
51
49
49
dB
Input offset voltage
-0.6 -3.6/+2.4 -4.6/+3.4 -5.6/+4.4 mV
Average offset voltage drift
±10
±10
µV/°C
Input bias current
4
4.6
5
5.2
µA
Average bias current drift
±10
±10
nA/°C
Input offset current
0.5
0.7
1.2
1.2
µA
Average offset current drift
±20
±20
nA/°C
INPUT
Common-mode input range
1 / 4 1.3 / 3.7 1.6 / 3.4 1.6 / 3.4
V
Common-mode rejection ratio
Input Impedance
80
74
70
70
dB
10⁷ || 1
Ω || pF
OUTPUT
Differential output voltage swing
Output current drive
Output balance error
Closed-loop output impedance
(single-ended)
R_L = 1 kΩ, Referenced to 2.5 V
±3.3
±2.8
±2.6
±2.6
V
R_L = 20Ω
100
90
80
80
mA
P_IN = -20 dBm, f = 100 kHz
-58
dB
f = 1 MHz
0.1
Ω
OUTPUT COMMON-MODE VOLTAGE CONTROL
Small-signal bandwidth
Slew rate
Minimum gain
R_L = 400 Ω
2 V_PP Step
180
MHz
80
V/µs
1
0.98
0.98
0.98
V/V
Maximum gain
1
1.02
1.02
1.02
V/V
Common-mode offset voltage
2
-2.2/6.2 -4.2/8.2 -5.2/9.2
mV
Input bias current
Input voltage range
V_OCM = 2.5 V
1
2
3
3
µA
1/4 1.2/3.8 1.3/3.7 1.3/3.7
V
Input impedance
25 || 1
kΩ || pF
Maximum default voltage
Minimum default voltage
POWER SUPPLY
V_OCM left floating
V_OCM left floating
2.5
2.55
2.6
2.6
V
2.5
2.45
2.4
2.4
V
Specified operating voltage
5
16.5
16.5
16.5
V
Maximum quiescent current
20
25
29
31
mA
Minimum quiescent current
20
16
12
10
mA
Power supply rejection (+PSRR)
75
72
69
66
dB
MIN/T
YP/M
AX
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Typ
Min
Max
Typ
Max
Typ
Max
Typ
Min
Min
Typ
Min
Min
Typ
Typ
Typ
Typ
Min
Max
Max
Max
Min
Typ
Max
Min
Max
Max
Min
Min
6
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