THS4524-EP_17 Datasheet, PDF (5/48 Pages) Texas Instruments – VERY LOW POWER, NEGATIVE RAIL INPUT, RAIL-TO-RAIL OUTPUT, FULLY DIFFERENTIAL AMPLIFIER

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THS4524-EP
SBOS609A – JUNE 2012 – REVISED AUGUST 2013
ELECTRICAL CHARACTERISTICS: V_S+ – V_S– = 3.3 V (continued)
At V_S+ = +3.3 V, V_S– = 0 V, V_OCM = open, V_OUT = 2 V_PP (differential), R_L = 1 kΩ differential, G = 1 V/V, single-ended input,
differential output, and input and output referenced to midsupply, unless otherwise noted.
PARAMETER
CONDITIONS
T_A = -55°C to 125°C
MIN
TYP
MAX
UNIT
TEST
LEVEL ⁽¹⁾
Third-Order Intermodulation Distortion
Input Voltage Noise
Two-tone, f₁ = 2 MHz, f₂ = 2.2 MHz,
V_OUT = 2-V_PP envelope
f > 10 kHz
–90
dBc
C
4.6
nV/√Hz
C
Input Current Noise
f > 100 kHz
0.6
pA/√Hz
C
Overdrive Recovery Time
Overdrive = ±0.5 V
80
ns
C
Output Balance Error
V_OUT = 100 mV, f ≤ 2 MHz (differential input)
–57
Closed-Loop Output Impedance
f = 1 MHz (differential)
0.3
dB
C
Ω
C
Channel-to-Channel Crosstalk
f = 10 kHz, measured differentially
–125
dB
C
DC PERFORMANCE
Open-Loop Voltage Gain (A_OL)
Input-Referred Offset Voltage
Input offset voltage drift⁽³⁾
80
116
dB
A
±0.5
±7
mV
A
±2
μV/°C
C
Input Bias Current
Input bias current drift⁽³⁾
0.75
3.8
μA
A
±1.75
nA/°C
C
Input Offset Current
Input offset current drift⁽³⁾
±0.03
±2.0
uA
A
±0.1
nA/°C
C
(3) Input Offset Voltage Drift, Input Bias Current Drift, and Input Offset Current Drift are average values calculated by taking data at –55°C
and +125°C, computing the difference, and dividing by 180.
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