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| THS4531A_16 Datasheet, PDF (9/59 Pages) Texas Instruments – Ultra Low-Power, Rail-to-Rail Output, Fully Differential Amplifier | |||
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THS4531A
SLOS823C â DECEMBER 2012 â REVISED JANUARY 2016
Electrical Characteristics: VS = 5 V (continued)
Test conditions at TA â 25°C, VS+ = 5 V, VSâ = 0 V, VOCM = open, VOUT = 2 VPP, RF = 2 kΩ, RL = 2 kΩ differential, G = 1 V/V,
single-ended input, differential output, and output referenced to mid-supply, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX UNIT
TEST
LEVEL
Input current noise
f = 100 kHz
0.25
pA/âHz
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
VOUT = 100 mV, f = 1 MHz
f = 1 MHz (differential)
â67
dB
C
2.5
Ω
C
DC PERFORMANCE
Open-loop voltage gain (AOL)
Input-referred offset voltage
Input offset voltage drift(1)
Input bias current(2)
Input bias current drift(1)
Input offset current
Input offset current drift(1)
INPUT
TA = 25°C
TA = 0°C to +70°C
TA = â40°C to +85°C
TA = â40°C to +125°C
TA = 0°C to +70°C
TA = â40°C to +85°C
TA = â40°C to +125°C
TA = 25°C
TA = 0°C to +70°C
TA = â40°C to +85°C
TA = â40°C to +125°C
TA = 0°C to +70°C
TA = â40°C to +85°C
TA = â40°C to +125°C
TA = 25°C
TA = 0°C to +70°C
TA = â40°C to +85°C
TA = â40°C to +125°C
TA = 0°C to +70°C
TA = â40°C to +85°C
TA = â40°C to +125°C
100
114
dB
A
â400
±100
400
A
â715
â855
715
µV
855
B
â1300
1300
â7
±2
7
â7
±2
7 µV/°C
B
â9
±3
9
200
250
A
279
nA
292
B
315
0.5
0.65
0.5
0.65 nA/°C
B
0.5
0.65
â50
±5
50
A
â55
55
nA
â57
57
B
â60
60
â0.1 ±0.03
0.1
â0.1 ±0.03
0.1 nA/°C
B
â0.1 ±0.03
0.1
Common-mode input: low
Common-mode input: high
Common-mode rejection ratio
TA = 25°C, CMRR > 87 dB
TA = â40°C to +125°C, CMRR > 87 dB
TA = 25°C, CMRR > 87 dB
TA = â40°C to +125°C, CMRR > 87 dB
VSâ â 0.2
VSâ
V
A
VSâ â 0.2
VSâ
B
VS+ â 1.2 VS+ â1.1
VS+ â 1.2 VS+ â1.1
A
V
B
90
116
dB
A
Input impedance differential mode
200 || 1
kΩ || pF C
OUTPUT
Linear output voltage: low
Linear output voltage: high
TA = 25°C
TA = â40°C to +125°C
TA = 25°C
TA = â40°C to +125°C
VSâ + 0.1 VSâ + 0.2
V
A
VSâ + 0.1 VSâ + 0.2
B
VS+ â 0.25
VS+ â 0.25
VS+ â
0.12
VS+ â
0.12
A
V
B
Output saturation voltage: high/low
120/100
mV
C
(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.
(2) Positive current is out of the device inputs.
Copyright © 2012â2016, Texas Instruments Incorporated
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