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參數(shù)資料
| 型號(hào)： | MAX9013EUA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR TTL 8-UMAX |
| 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： | 帶鎖銷 |
| 元件數(shù)： | 1 |
| 輸出類型： | 補(bǔ)充型，TTL |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 3mV @ 5.5V |
| 電流 - 輸入偏壓（最小值）： | 0.5µA @ 5V |
| 電流 - 輸出（標(biāo)準(zhǔn)）： | 40mA |
| 電流 - 靜態(tài)（最大值）： | 2.3mA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 95dB CMRR，82dB PSRR |
| 傳輸延遲（最大）： | 9ns |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
MAX9010–MAX9013
SC70, 5ns, Low-Power, Single-Supply,
Precision TTL Comparators
_______________________________________________________________________________________
7
Detailed Description
These high-speed comparators have a unique design
that prevents oscillation when the comparator is in its
linear region, so no minimum input slew rate is required.
Many high-speed comparators oscillate in their linear
region. One common way to overcome this oscillation is
to add hysteresis, but it results in a loss of resolution
and bandwidth.
Latch Function
The MAX9011/MAX9013 provide a TTL-compatible latch
function that holds the comparator output state (Figure 1).
With LE driven to a TTL low or grounded, the latch is
transparent and the output state is determined by the
input differential voltage. When LE is driven to a TTL high,
the existing output state is latched, and the input differen-
tial voltage has no further effect on the output state.
Input Amplifier
A comparator can be thought of as having two sec-
tions: an input amplifier and a logic interface. The input
amplifiers of these devices are fully differential, with
input offset voltages typically 0.7mV at +25°C. Input
common-mode range extends from 200mV below
ground to 1.9V below the positive power-supply rail. The
total common-mode range is 3.3V when operating from a
5V supply. The amplifiers have no built-in hysteresis. For
highest accuracy, do not add hysteresis. Figure 2 shows
how hysteresis degrades resolution.
Input Voltage Range
Although the common-mode input voltage range is
restricted to -0.2V to (VCC - 1.9V), either or both inputs
can go to either absolute maximum voltage limit, i.e.,
from -0.3V to (VCC + 0.3V), without damage. The com-
parator will make a correct (and fast) logic decision
provided that at least one of the two inputs is within the
specified common-mode range. If both inputs are out-
side the common-mode range, the comparator output
state is indeterminate.
Resolution
A comparator’s ability to resolve a small-signal differ-
ence, its resolution, is affected by various factors. As
with most amplifiers and comparators, the most signifi-
cant factors are the input offset voltage (VOS) and the
common-mode and power-supply rejection ratios
(CMRR, PSRR). If source impedance is high, input off-
set current can be significant. If source impedance is
unbalanced, the input bias current can introduce
another error. For high-speed comparators, an addi-
PIN
MAX9010
MAX9011
MAX9012
MAX9013
NAME
FUNCTION
11
—
7
OUT
Comparator Output. OUT is high when IN+ is more
positive than IN-.
2
5
6
GND
Ground
33
—
2
IN+
Noninverting Input
44
—
3
IN-
Inverting Input
5, 6
6
8
1
VCC
Positive Power-Supply Voltage. Pins 5 and 6 of the
MAX9010 must BOTH be connected to the power-
supply rail. Bypass with a 0.1F capacitor.
—
5
—
5
LE
Latch Enable Input
——
1
—
INA+
Noninverting Input, Channel A
——
2
—
INA-
Inverting Input, Channel A
——
3
—
INB+
Noninverting Input, Channel B
——
4
—
INB-
Inverting Input, Channel B
——
6
—
OUTB
Comparator Output, Channel B
——
7
—
OUTA
Comparator Output, Channel A
———
4
N.C.
No Connection. Not internally connected. Connect to
GND for best results.
———
8
OUT
Comparator Complementary Output
Pin Description
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