THS4531A Datasheet, PDF (3/51 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

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THS4531A
SLOS823A – DECEMBER 2012 – REVISED JANUARY 2013
ELECTRICAL CHARACTERISTICS: V_S = 2.7 V
Test conditions at T_A = 25°C, V_S+ = 2.7 V, V_S– = 0 V, V_OCM = open, V_OUT = 2 V_PP, R_F = 2 kΩ, R_L = 2 kΩ differential, G = 1 V/V,
single-ended input, differential output, and input and output referenced to mid-supply, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
TEST
LEVEL
AC PERFORMANCE
Small-signal bandwidth
Gain-bandwidth product
Large-signal bandwidth
Bandwidth for 0.1-dB flatness
Slew rate, rise/fall, 25% to 75%
V_OUT = 100 mV_PP, G = 1
V_OUT = 100 mV_PP, G = 2
V_OUT = 100 mV_PP, G = 5
V_OUT = 100 mV_PP, G = 10
V_OUT = 100 mV_PP, G = 10
V_OUT = 2 V_PP, G = 1
V_OUT = 2 V_PP, G = 1
34
16
6
2.7
27
34
12
190/320
MHz
MHz
MHz
MHz
V/µs
Rise/fall time, 10% to 90%
5.2/6.1
ns
Settling time to 1%, rise/fall
Settling time to 0.1%, rise/fall
V_OUT = 2-V step
25/20
ns
60/60
Settling time to 0.01%, rise/fall
150/110
ns
Overshoot/undershoot, rise/fall
1/1
%
2nd-order harmonic distortion
f = 1 kHz, V_OUT = 1 V_RMS
f = 10 kHz
–122
–127
C
dBc
f = 1 MHz
–59
3rd-order harmonic distortion
f = 1 kHz, V_OUT = 1 V_RMS
f = 10 kHz
–130
–135
dBc
f = 1 MHz
–70
2nd-order intermodulation distortion _{f = 1 MHz, 200-kHz tone spacing,}
3rd-order intermodulation distortion ^VOUT ^{envelope = 2 V}PP
–83
dBc
–81
Input voltage noise
f = 1 kHz
10
nV/√Hz
Voltage noise 1/f corner frequency
45
Hz
Input current noise
f = 100 kHz
0.25
pA/√Hz
Current noise 1/f corner frequency
6.5
kHz
Overdrive recovery time
Overdrive = 0.5 V
65
ns
Output balance error
Closed-loop output impedance
V_OUT = 100 mV, f = 1 MHz
f = 1 MHz (differential)
–65
dB
2.5
Ω
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