THS4531A_16 Datasheet, PDF (6/59 Pages) Texas Instruments – Ultra Low-Power, Rail-to-Rail Output, Fully Differential Amplifier

THS4531A
SLOS823C – DECEMBER 2012 – REVISED JANUARY 2016
www.ti.com
7.5 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 output referenced to mid-supply, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
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%
Rise/fall time, 10% to 90%
Settling time to 1%
Settling time to 0.1%
Settling time to 0.01%
Overshoot/undershoot
2nd-order harmonic distortion
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
V_OUT = 2-V step
V_OUT = 2-V step
V_OUT = 2-V step
V_OUT = 2-V step
V_OUT = 2-V step
V_OUT = 2-V step
f = 1 kHz, V_OUT = 2 V_PP
f = 10 kHz
34
16
6
2.7
27
34
12
190/320
6
25
60
150
1%
–122
–127
MHz
C
MHz
C
MHz
C
MHz
C
V/µs
C
ns
C
ns
C
ns
C
ns
C
C
dBc
C
f = 1 MHz
–59
3rd-order harmonic distortion
f = 1 kHz, V_OUT = 2 V_PP
f = 10 kHz
–136
–135
dBc
C
f = 1 MHz
–70
2nd-order intermodulation distortion
3rd-order intermodulation distortion
Input voltage noise
f = 1 MHz, 200-kHz tone spacing,
V_OUT = 1 Vpp each tone
f = 1 MHz, 200-kHz tone spacing,
V_OUT = 1 Vpp each tone
f = 1 kHz
–83
dBc
C
–81
dBc
C
10
nV/√Hz
C
Voltage noise 1/f corner frequency
45
Hz
C
Input current noise
f = 100 kHz
0.25
pA/√Hz
C
Current noise 1/f corner frequency
6.5
kHz
C
Overdrive recovery time
Overdrive = 0.5 V
65
ns
C
Output balance error
Closed-loop output impedance
V_OUT = 100 mV, f = 1 MHz
f = 1 MHz (differential)
–65
dB
C
2.5
Ω
C
DC PERFORMANCE
Open-loop voltage gain (A_OL)
Input-referred offset voltage
Input offset voltage drift⁽¹⁾
T_A = 25°C
T_A = 0°C to +70°C
T_A = –40°C to +85°C
T_A = –40°C to +125°C
T_A = 0°C to 70°C
T_A = –40°C to +85°C
T_A = –40°C to +125°C
100
113
dB
A
–400
±100
400
A
–715
–855
715
µV
855
B
–1300
1300
–7
±2
7
–7
±2
7 µV/°C
B
–9
±3
9
(1) Input offset voltage drift, input bias current drift, and input offset current drift are average values calculated by taking data at the end
points, computing the difference, and dividing by the temperature range.
6
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