參數(shù)資料
型號: TLC251Y
廠商: Texas Instruments, Inc.
英文描述: LinCMOSE PROGRAMMABLE LOW-POWER OPERATIONAL AMPLIFIERS
中文描述: LinCMOSE可編程低功耗運算放大器
文件頁數(shù): 13/18頁
文件大?。?/td> 273K
代理商: TLC251Y
TLC251, TLC251A, TLC251B, TLC251Y
LinCMOS
PROGRAMMABLE
LOW-POWER OPERATIONAL AMPLIFIERS
SLOS001E – JULY 1983 – REVISED AUGUST 1994
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, V
DD
= 5 V, T
A
= 25
°
C
TLC251Y
MEDIUM-BIAS
MODE
PARAMETER
TEST CONDITIONS
HIGH-BIAS
MODE
LOW-BIAS
MODE
UNIT
MIN
TYP
3.6
MAX
MIN
TYP
0.43
MAX
MIN
TYP
0.03
MAX
SR
Slew rate at
unity gain
RL,
L,
CL = 20 pF
VI(PP) = 1 V
VI(PP) = 2.5 V
V/
μ
s
2.9
0.40
0.03
Vn
Equivalent input
noise voltage
f = 1 kHz,
RS = 20
25
32
68
nV/
Hz
BOM
Maximum output
swing bandwidth
VO = VOH,
RL = 10 k
CL = 20 pF,
320
55
4.5
kHz
B1
Unity-gain
bandwidth
VI = 10 mV,
CL = 20 pF
1700
525
65
kHz
φ
m
Phase margin
f = B1,
CL = 20 pF
VI = 10 mV,
46
°
40
°
34
°
For high-bias mode, RL = 10 k
; for medium-bias mode, RL = 100 k
; and for low-bias mode, RL = 1 M
.
PARAMETER MEASUREMENT INFORMATION
Figure 1. Unity-Gain Amplifier
+
Output
Input
CL = 100 pF
RL
BIAS
RL
Low
Medium 100 k
High
1 M
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
vs Free-air temperature
3
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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