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| 型号： | MAX7428EKA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/21页 |
| 文件大小： | 0K |
| 描述： | IC FILTER BUFFER VID SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 视频滤波器 |
| 应用： | 录音机，机顶盒 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 带卷 (TR) |
MAX7428/MAX7430/MAX7432A
Standard Definition Video Reconstruction
Filters and Buffers
_______________________________________________________________________________________
5
0.1
1
10
OUTPUT IMPEDANCE vs. FREQUENCY
MAX7428/30/32
toc10
FREQUENCY (MHz)
IMPEDANCE
(Ω
)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
200ns/div
OUTPUT TRANSIENT DUE TO
INPUT MUX SWITCHING
OUT_
500mV/div
MAX7428/30/32
toc11
-70
-95
0.1
1
10
PASSBAND CHANNEL-TO-CHANNEL
CROSSTALK vs. FREQUENCY
-90
MAX7428/30/32
toc12
FREQUENCY (MHz)
CROSSTALK
(dB)
-85
-80
-75
BOOST = CODE 00
Typical Operating Characteristics (continued)
(VCC = +5V, RREXT = 300k
Ω; BOOST0_, BOOST1_ = 0, 0; VIN = 1Vp-p, TA = +25°C, unless otherwise noted.)
Pin Description
PIN
MAX7432A
MAX7430
MAX7428
NAME
FUNCTION
1
—
IN1A
Video Input 1A. Master channel, sync signal required. Use a 0.1F
series input capacitor for proper operation.
2
—
IN2A
Video Input 2A. Slave channel, clamping controlled by master channel
sync. Use a 0.1F series input capacitor for proper operation.
3
—
IN3A
Video Input 3A. Slave channel, clamping controlled by master channel
sync. Use a 0.1F series input capacitor for proper operation.
4, 10
8
4
GND
Ground
5
4
—
IN1B
Video Input 1B. Master channel, sync signal required. Use a 0.1F
series input capacitor for proper operation.
6
5
—
IN2B
Video Input 2B. Slave channel, clamping controlled by master channel
sync. Use a 0.1F series input capacitor for proper operation.
7
—
IN3B
Video Input 3B. Slave channel, clamping controlled by master channel
sync. Use a 0.1F series input capacitor for proper operation.
8
6
DATA
Serial Data Interface
9
—
OUT3
Buffer Output 3
11
7
—
OUT2
Buffer Output 2
12
3
7
REXT
External Resistor. Connect a 300k
Ω resistor from REXT to GND for
internal biasing. Connect a 1nF to 1F capacitor from REXT to GND for
chip-address programming (see Table 3).
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