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TLC251 Datasheet(PDF) 13 Page - Texas Instruments

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Part No. TLC251
Description  LinCMOS PROGRAMMABLE LOW-POWER OPERATIONAL AMPLIFIERS
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TLC251 Datasheet(HTML) 13 Page - Texas Instruments

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TLC251, TLC251A, TLC251B, TLC251Y
LinCMOS
 PROGRAMMABLE
LOW-POWER OPERATIONAL AMPLIFIERS
SLOS001F – JULY 1983 – REVISED MARCH 2001
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, VDD = 5 V, TA = 25°C
TLC251Y
PARAMETER
TEST CONDITIONS
HIGH-BIAS
MODE
MEDIUM-BIAS
MODE
LOW-BIAS
MODE
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
SR
Slew rate at
RL†,
VI(PP) = 1 V
3.6
0.43
0.03
V/
µs
SR
unity gain
L ,
CL = 20 pF
VI(PP) = 2.5 V
2.9
0.40
0.03
V/
µs
Vn
Equivalent input
noise voltage
f = 1 kHz,
RS = 20 Ω
25
32
68
nV/
√Hz
BOM
Maximum output
swing bandwidth
VO = VOH,
RL = 10 kΩ
CL = 20 pF,
320
55
4.5
kHz
B1
Unity-gain
bandwidth
VI = 10 mV,
CL = 20 pF
1700
525
65
kHz
φm
Phase margin
f = B1,
CL = 20 pF
VI = 10 mV,
46
°
40
°
34
°
† For high-bias mode, RL = 10 kΩ; for medium-bias mode, RL = 100 kΩ; and for low-bias mode, RL = 1 MΩ.
PARAMETER MEASUREMENT INFORMATION
Figure 1. Unity-Gain Amplifier
+
Output
Input
CL = 100 pF
RL
BIAS
RL
Low
1 M
Medium
100 k
High
10 k
Figure 2. Input Offset Voltage Null Circuit
+
25 k
N1
N2
IN –
IN +
Output
GND
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
IDD
Supply current
vs Bias-select voltage
vs Supply voltage
3
4
IDD
Supply current
vs Supply voltage
vs Free-air temperature
4
5
Low bias
vs Frequency
6
AVD
Large-signal differential voltage amplification
Medium bias
vs Frequency
7
High bias
vs Frequency
8
Low bias
vs Frequency
6
Phase shift
Medium bias
vs Frequency
7
High bias
vs Frequency
8


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