参数资料
| 型号： | ISL28197FRUZ-T7 |
| 厂商： | Intersil |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC COMP RRIO SGL 800NA 6-TDFN |
| 标准包装： | 1,000 |
| 类型： | 通用 |
| 元件数： | 1 |
| 输出类型： | 推挽式，满摆幅 |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 2mV @ 5V |
| 电流 - 输入偏压（最小值）： | 80pA @ 5V |
| 电流 - 静态（最大值）： | 1.6µA |
| CMRR, PSRR（标准）： | 100dB CMRR，100dB PSRR |
| 传输延迟（最大）： | 1.3ms |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 6-UFDFN 裸露焊盘 |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
10
FN6152.4
September 29, 2008
Pin Descriptions
Applications Information
Introduction
The ISL28196 and ISL28197 are CMOS rail-to-rail input and
output (RRIO) micropower comparators. These devices are
designed to operate from single supply (1.8V to 5.5V) and
have an input common mode range that extends to the
positive rail and to the negative supply rail for true rail-to-rail
performance. The CMOS output can swing within tens of
millivolts to the rails. Featuring worst case maximum supply
currents of only 4.5A and 2A for the ISL28196 and
ISL28197 respectively, these comparators are ideally suited
for solar and battery powered applications.
Input Protection
All input terminals have internal ESD protection diodes to both
positive and negative supply rails, limiting the input voltage to
within one diode beyond the supply rails. Both the ISL28196
and ISL28197 have a maximum input differential voltage that
extends beyond the rails (+V + 0.5V to -V - 0.5V).
Rail-to-Rail Output
A pair of complementary MOSFET devices are used to
achieve the rail-to-rail output swing. The NMOS sinks
current to swing the output in the negative direction. The
PMOS sources current to swing the output in the positive
direction. The ISL28196 and ISL28197 with a 100k
Ω load
will swing to within 6mV of the positive supply rail and within
3mV of ground.
FIGURE 41. ISL28196 FALL TIME vs TEMPERATURE 20% TO
80%, V+ = 5V
FIGURE 42. ISL28197 FALL TIME vs TEMPERATURE 20% TO
80%, V+ = 5V
Typical Performance Curves V+ = 5V, V- = 0V, VCM = 2.5V, unless otherwise specified. (Continued)
4.5
5.0
5.5
6.0
6.5
7.5
8.0
-40
-20
0
20
406080
100
120
MIN
MAX
MEDIAN
N = 1000
+
PRO
P
DE
LA
Y
(
s)
TEMPERATURE (°C)
7.0
4.5
9.5
14.5
19.5
24.5
29.5
34.5
39.5
44.5
49.5
54.5
-40
-20
0
20
40
60
80
100
120
MIN
MAX
MEDIAN
N = 1000
+
PR
OP
DE
LA
Y
(
s
)
TEMPERATURE (°C)
ISL28196,
ISL28197
(6 LD SOT-23)
ISL28196,
ISL28197
(6 LD TDFN)
PIN NAME
EQUIVALENT
CIRCUIT
DESCRIPTION
1
4
OUT
Circuit 3
Comparator output
2
GND
Circuit 4
GROUND terminal
3
IN+
Circuit 1
Comparator non-inverting input
4
1
IN-
Circuit 1
Comparator inverting input
5
EN
Circuit 2
Comparator enable pin; Logic “1” selects the enabled state: Logic “0” selects the
disabled state
6
V+
Circuit 4
Positive power supply
LOGIC
PIN
V+
V-
V+
V-
OUT
CIRCUIT 3
CIRCUIT 1
CIRCUIT 2
V+
V-
CAPACITIVELY
COUPLED
ESD CLAMP
CIRCUIT 4
IN-
V+
V-
IN+
100
Ω
ISL28196, ISL28197
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