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參數(shù)資料
| 型號： | MAX944CSD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR R-R 14-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 通用 |
| 元件數(shù)： | 4 |
| 輸出類型： | CMOS，推挽式，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 2mV @ 5.5V |
| 電流 - 輸入偏壓（最小值）： | 0.15µA @ 5.5V |
| 電流 - 靜態(tài)（最大值）： | 600µA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 81.94dB CMRR，81.94dB PSRR |
| 傳輸延遲（最大）： | 80ns |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
V+ = 5V
(Note 8)
MAX941/MAX942/MAX944
High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
Single-Supply Comparators
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 2.7V to 5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 14)
Note 1:
Inferred from the CMRR test. Note also that either or both inputs can be driven to the absolute maximum limit (0.3V
beyond either supply rail) without damage or false output inversion.
Note 2:
The input-referred trip points are the extremities of the differential input voltage required to make the comparator output
change state. The difference between the upper and lower trip points is equal to the width of the input-referred hysteresis
zone (see Figure 1).
Note 3:
VOS is defined as the center of the input-referred hysteresis zone (see Figure 1).
Note 4:
The polarity of IB reverses direction as VCM approaches either supply rail. See Typical Operating Characteristics for more
detail.
Note 5:
Specified over the full common-mode range (VCMR).
Note 6:
Applies to the MAX941 only when in shutdown mode. Specification is for current flowing into or out of the output pin for
VOUT driven to any voltage from V+ to GND.
Note 7:
Typical power dissipation specified with V+ = 3V; maximum with V+ = 5.5V.
Note 8:
Parameter is guaranteed by design and specified with VOD = 5mV and CLOAD = 15pF in parallel with 400A of sink or
source current. VOS is added to the overdrive voltage for low values of overdrive (see Figure 2).
Note 9:
Specified between any two channels in the MAX942/MAX944.
Note 10: Specified as the difference between tPD+ and tPD- for any one comparator.
Note 11: Applies to the MAX941 only for both
–
S
—
H
—
D
—
N
–
and
–
L
—
A
—
T
—
C
—
H
–
pins.
Note 12: Applies to the MAX941 only. Comparator is active with
–
L
—
A
—
T
—
C
—
H
–
pin driven high and is latched with
–
L
—
A
—
T
—
C
—
H
–
pin driven low
(see Figure 2).
Note 13: Applicable to the MAX941 only. Comparator is active with
–
S
—
H
—
D
—
N
–
pin driven high and is in shutdown with
–
S
—
H
—
D
—
N
–
pin driven
low. Shutdown disable time is the delay when
–
S
—
H
—
D
—
N
–
is driven high to the time the output is valid.
Note 14: The MAX941_UA and MAX942_UA are 100% production tested at TA = +25°C. Specifications over temperature are
guaranteed by design.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current per Comparator
380
600
Logic Input Voltage High
VIH
(Note 11)
–
V
–
2
–
+
–
+ 0.4
–
V
–
2
–
+
–
V
Logic Input Voltage Low
VIL
(Note 11)
–
V
–
2
–
+
––
V
–
2
–
+
–
- 0.4
V
Logic Input Current
IIL, IIH
VLOGIC = 0 or V+ (Note 11)
210
A
Data-to-Latch Setup Time
tS
(Note 12)
20
ns
Latch-to-Data Hold Time
tH
(Note 12)
30
ns
Latch Pulse Width
tLPW
MAX941 only
50
ns
Latch Propagation Delay
tLPD
MAX941 only
70
ns
Shutdown Time
(Note 13)
3
s
Shutdown Disable Time
(Note 13)
10
s
Propagation Delay Skew
(Note 10)
10
ns
ICC
V+ = 3V
350
500
MAX941 only, shutdown mode (V+ = 3V)
12
60
A
1.0
4.2
Power Dissipation per
Comparator
PD
(Note 7)
1.0
3.6
mW
Differential Propagation Delay
dtPD
(Note 9)
10
ns
MAX941
MAX942/MAX944
430
700
MAX941
400
600
MAX942/MAX944
MAX941
MAX942/MAX944
MAX94_C
MAX94_E/A, MAX942MSA
80
150
Propagation Delay
tPD+,
tPD-
80
200
ns
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