THS4520 Datasheet, PDF (4/23 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER WITH RAIL-TO-RAIL OUTPUTS

THS4520
SLOS503A – SEPTEMBER 2006 – REVISED OCTOBER 2006
www.ti.com
SPECIFICATIONS; V_S+– V_S– = 5 V:
Test conditions unless otherwise noted: V_S+ = +2.5 V, V_S– = –2.5 V, G = 0 dB, CM = open, V_O = 2 V_PP, R_F = 499 Ω,
R_L = 200 Ω Differential, T_A = 25°C Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
TEST
LEVEL ⁽¹⁾
AC PERFORMANCE
Small-Signal Bandwidth
Gain-Bandwidth Product
G = 0 dB, V_O = 100 mV_PP
G = 6 dB, V_O = 100 mV_PP
G = 10 dB, V_O = 100 mV_PP
G = 20 dB, V_O = 100 mV_PP
G = 20 dB
620
450
330
120
1200
MHz
MHz
MHz
MHz
MHz
Bandwidth for 0.1 dB flatness
Large-Signal Bandwidth
Slew Rate (Differential)
G = 10 dB, V_O = 2 V_PP
G = 10 dB, V_O = 2 V_PP
30
MHz
132
MHz
570
V/µs
Rise Time
4
Fall Time
Settling Time to 1%
2-V Step
4
6.2
ns
C
Settling Time to 0.1%
7
2^nd Order Harmonic Distortion
3^rd Order Harmonic Distortion
3^rd Order Intermodulation Distortion
Input Voltage Noise
f = 100 kHz,
R_L = 1 kΩ
f = 100 kHz,
R_L = 1 kΩ
1-kHz Tone Spacing,
R_L = 1 kΩ,
V_OD = 4 V_PP/Tone
f > 10 kHz
V_OD = 8 V_PP
V_OD = 8 V_PP
f_C = 100 kHz
–115
–123
–135
2
dBc
dBc
dBc
nV/√Hz
Input Current Noise
f > 10 kHz
2
pA/√Hz
DC PERFORMANCE
Open-Loop Voltage Gain (A_OL)
Input Offset Voltage
Input Bias Current
Input Offset Current
INPUT
T_A = 25°C
T_A = –40°C to 85°C
T_A = 25°C
T_A = –40°C to 85°C
T_A = 25°C
T_A = –40°C to 85°C
112
dB
C
±0.25
±2.5
mV
A
±0.25
±3
mV
6.5
10
µA
A
6.4
11
±0.2
±2.5
µA
A
±0.2
±3
Common-Mode Input Range High
Common-Mode Input Range Low
1.75
V
-1.3
B
Common-Mode Rejection Ratio
84
dB
(1) Test levels: (A) 100% tested at 25°C. Overtemperature limits by characterization and simulation. (B) Limits set by characterization and
simulation. (C) Typical value only for information.
4
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