參數(shù)資料
型號(hào): ISL59451IRZ-T7
廠商: Intersil
文件頁數(shù): 4/17頁
文件大?。?/td> 0K
描述: IC AMP MUX TRIPLE 4:1 DC 32-QFN
標(biāo)準(zhǔn)包裝: 1,000
應(yīng)用: 4:1 多路復(fù)用器-放大器
電路數(shù): 3
-3db帶寬: 240MHz
轉(zhuǎn)換速率: 930 V/µs
電流 - 電源: 45mA
電流 - 輸出 / 通道: 125mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
包裝: 帶卷 (TR)
12
FN6253.0
September 24, 2007
Functional Block Diagram
R0/G0/B0
S0
S1
+
-
ROUT
GND
CLAMP
+
-
A2
V1
4k
Ω
40pF
S1
REF_G
AV2
1.6V
A1
OR REF_RB
GOUT
BOUT
R1/G1/B1
R2/G2/B2
R3/G3/B3
CX1
TABLE 1. CHANNEL SELECT LOGIC TABLE
S1
S0
HIZ
OUTPUT
0
R0, G0, B0
0
1
0
R1, G1, B1
1
0
R2, G2, B2
1
0
R3, G3, B3
X
1
High Impedance,
Inputs Disconnected
Pin Descriptions
ISL59451
(32 LD QFN)
PIN NAME
EQUIVALENT
CIRCUIT
DESCRIPTION
1
R1
Circuit 1
Channel 1 Red/Pr/Chroma Input
2
B1
Circuit 1
Channel 1 Blue/Pb/Chroma Input
3
G1
Circuit 1
Channel 1 Green/Luma Input
4, 6, 10, 17, 22, 27, 32
GND
Circuit 4
Ground
5, 20, 28
V+
Circuit 4
Positive Supply. Bypass to GND with 0.01F and 1nF capacitors.
7
R2
Circuit 1
Channel 2 Red/Pr/Chroma Input
8
B2
Circuit 1
Channel 2 Blue/Pb/Chroma Input
9
G2
Circuit 1
Channel 2 Green/Luma Input
11
R3
Circuit 1
Channel 3 Red/Pr/Chroma Input
12
B3
Circuit 1
Channel 3 Blue/Pb/Chroma Input
13
G3
Circuit 1
Channel 3 Green/Luma Input
14
S1
Circuit 2
Channel selection pin MSB (binary logic code). This pin does not have internal pull-up or
pull-down resistors.
15
S0
Circuit 2
Channel selection pin. LSB (binary logic code). This pin does not have internal pull-up or
pull-down resistors.
16
CLAMP
Circuit 2
Clamp/Store Logic Input. Logic ‘0’ selects the clamp DC restore state, logic ‘1’ selects the
hold state. This pin does not have internal pull-up or pull-down resistors.
18
GOUT
Circuit 3
Green/Luma Output
19
REF_G
Green/Luma Reference. Green/Luma channel offset by this voltage during DC restore
state. Reference voltage range is 0 to +3.0V.
21
BOUT
Circuit 3
Blue Output
23
REF_RB
Red and Blue Reference. Red and blue channels offset by this voltage during DC restore
state. Reference voltage range is 0 to +3.0V.
24
ROUT
Circuit 3
Red Output
25
AV2
Circuit 2
Gain Set. Set to logic high for gain of x2 (+6dB), or set to logic low for a gain of x1 (+0dB). If
left floating, an internal pull-down resistor pulls this pin low (300k
Ω pull-down).
ISL59451
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