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THS4521 Datasheet(PDF) 4 Page - Texas Instruments

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Part # THS4521
Description  Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier
PDF  54 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

THS4521 Datasheet(HTML) 4 Page - Texas Instruments

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THS4531
SLOS358B – SEPTEMBER 2011 – REVISED MARCH 2012
www.ti.com
ELECTRICAL CHARACTERISTICS: VS = 2.7 V (continued)
Test conditions at TA = 25°C, VS+ = 2.7 V, VS– = 0 V, VOCM = open, VOUT = 2 VPP, RF = 2 kΩ, RL = 2 kΩ differential, G = 1 V/V,
single-ended input, differential output, and input and output referenced to mid-supply, unless otherwise noted.
TEST
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LEVEL(1)
DC PERFORMANCE
Open-loop voltage gain (AOL)
100
113
dB
A
TA = +25°C
±200
±1000
A
TA = 0°C to +70°C
±1405
Input-referred offset voltage
µV
TA = –40°C to +85°C
±1585
B
TA = –40°C to +125°C
±2000
TA = 0°C to +70°C
±1.7
±9
Input offset voltage drift(2)
TA = –40°C to +85°C
±1.8
±9
µV/°C
B
TA = –40°C to +125°C
±2
±10
TA = +25°C
160
210
A
TA = 0°C to +70°C
221
Input bias current
nA
TA = –40°C to +85°C
222
B
TA = –40°C to +125°C
233
TA = 0°C to +70°C
0.25
Input bias current drift(2)
TA = –40°C to +85°C
0.25
nA/°C
B
TA = –40°C to +125°C
0.25
TA = +25°C
±5
±50
A
TA = 0°C to +70°C
±59
Input offset current
nA
TA = –40°C to +85°C
±60
B
TA = –40°C to +125°C
±75
TA = 0°C to +70°C
±0.05
±0.2
Input offset current drift(2)
TA = –40°C to +85°C
±0.05
±0.2
nA/°C
B
TA = –40°C to +125°C
±0.05
±0.2
INPUT
TA = +25°C, CMRR > 87 dB
VS– – 0.2
VS–
A
Common-mode input low
V
TA = –40°C to +125°C, CMRR > 87 dB
VS– – 0.2
VS–
B
TA = +25°C, CMRR > 87 dB
VS+ – 1.2
VS+ – 1.1
A
Common-mode input high
V
TA = –40°C to +125°C, CMRR > 87 dB
VS+ – 1.2
VS+ – 1.1
B
Common-mode rejection ratio
90
116
dB
A
Input impedance common-mode
200 || 1.2
C
k
Ω || pF
Input impedance differential mode
200 || 1
C
OUTPUT
TA = +25°C
VS– + 0.06
VS– +
A
0.2
Single-ended output voltage: low
V
TA = –40°C to +125°C
VS– + 0.06
VS– +
B
0.2
TA = +25°C
VS+ – 0.2
VS+ – 0.11
A
Single-ended output voltage: high
V
TA = –40°C to +125°C
VS+ – 0.2
VS+ – 0.11
B
Output saturation voltage: high/low
110/60
mV
C
TA = +25°C
±15
±22
A
Linear output current drive
mA
TA = –40°C to +125°C
±15
B
(2)
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.
4
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Copyright © 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): THS4531



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