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參數(shù)資料
| 型號： | LP239J |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 比較器 |
| 英文描述： | LOW-POWER QUAD DIFFERENTIAL COMPARATORS |
| 中文描述： | 低功耗四差分比較器 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 93K |
| 代理商： | LP239J |
LP239, LP339, LP2901
LOW-POWER QUAD DIFFERENTIAL COMPARATORS
SLCS004A – OCTOBER 1987 – REVISED MAY 1988
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
LP239
MIN
LP339
MIN
LP2901
MIN
UNIT
MAX
MAX
MAX
VCC
Supply voltage
5
30
5
30
5
30
V
VIC
Common mode input voltage
Common-mode input voltage
VCC = 5 V
VCC = 30 V
VCC = 5 V
VCC = 30 V
0
3
0
3
0
3
V
0
28
0
28
0
28
V
VI
Input voltage
0
3
0
3
0
3
V
0
28
0
28
0
28
V
°
C
TA
Operating free-air temperature
– 25
85
0
70
– 40
85
electrical characteristics, V
CC
= 5 V, T
A
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
25
°
C
Full range
25
°
C
Full range
25
°
C
Full range
MIN
TYP
±
2
MAX
UNIT
VIO
Input offset voltage
VCC = 5 V to 30 V,
RS = 0,
VO = 2 V,
See Note 6
±
5
±
9
±
5
mV
IIO
Input offset current
±
0.5
±
1
– 2.5
nA
±
15
– 25
IIB
Input bias current
See Note 7
nA
– 4
– 40
VICR
Common-mode input voltage
range
Single supply
25
°
C
0 to
VCC – 1.5
0 to
VCC – 2
V
Full range
AVD
Large-signal differential voltage
amplification
VCC = 15 V,
RL = 15 k
500
V/mV
VI – = 1 V,
VI += 0
VI + = 0
VO = 2 V,
See Note 8
25
°
C
Full range
25
°
C
25
°
C
Full range
20
30
Output sink current
15
mA
VO = 0.4 V
VO = 5 V
VO = 30 V
0.2
0.7
Output leakage current
VI + = 1 V,
VI – = 0
VI
≤
0 (or VCC – on split supplies)
RL =
∞
all comparators
0.1
nA
μ
A
V
μ
A
1
VID
ICC
Full range is –25
°
C to 85
°
C for the LP239, 0
°
C to 70
°
C for the LP339, and –40
°
C to 85
°
C for the LP2901.
NOTES:
6. VIO is measured over the full common-mode input voltage range.
7. Because of the p-n-p input stage, the direction of the current is out of the device. This current is essentially constant (i.e., independent
of the output state). No loading change exists on the reference or input lines as long as the common-mode input voltage range is
not exceeded.
8. The output sink current is a function of the output voltage. These devices have a bimodal output section that allows them to sink
(via a Darlington connection) large currents at output voltages greater than 1.5 V, and smaller currents at output voltages
less than 1.5 V.
Differential input voltage
36
Supply current
60
100
switching characteristics, V
CC
= 5 V, T
A
= 25
°
C, R
L
connected to 5 V through 5.1 k
PARAMETER
TEST CONDITIONS
MIN
TYP
1.3
MAX
UNIT
Large-signal response time
Response time
TTL logic swing V f= 1 4 V
TTL logic swing, Vref = 1.4 V
μ
s
8
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