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E90603F01
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Absolute Maximum Ratings (Ta=25 °C)•Supply voltage AV DD , DV DD 7V •Input voltage (All pins)
V IN V DD +0.5 to V SS –0.5V
•Output current (Every each channel)
I OUT 0 to 15mA •Storage temperature Tstg
–55 to +150
°C
Recommended Operating Conditions
•Supply voltage AV DD , AV SS 4.75 to 5.25V
DV DD , DV SS 4.75 to 5.25V
•Reference input voltage
V REF 2.0V
•Clock pul width
T PW1, T PW011.2 ns (min.) to 1.1 µs (max.)
•Operating temperature
Topr –40 to +85°C
Description
The CXD1178Q is an 8-bit high-speed D/A converter for video band u. It has an input/output equivalent to 3 channels of R, G and B. It is suitable for u of digital TV, graphic display, and others.Features
•Resolution 8-bit
•Maximum conversion speed 40MSPS •RGB 3-channel input/output
•Differential linearity error ±0.3LSB •Low power consumption 240 mW (200 Ωload at 2 Vp-p output)•Single 5 V power supply •Low glitch noi •Stand-by function Structure
Silicon gate CMOS IC
8-bit 40MSPS RGB 3-channel D/A Converter
48 pin QFP (Plastic)
CXD1178Q
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机动车查询Block Diagram
(LSB) R0
(MSB) R7(LSB) G0
(MSB) G7(LSB) B0B1B2B3B4B5B6(MSB) B7BLK CE R1R2R3R4R5R6
G1G2G3G4G5G6DV DD DV DD
RO RO RCK
AV DD AV DD AV DD AV DD GO
GO
GCK
AV SS DV SS DV SS
BO
BO
门缝里看人歇后语BCK
VG VREF
IREF
黄山奇石VB
Pin Configuration
东方宝泰购物广场
R 0
R 1
R 2
R 3
R 4
R 5
R 6
R 7
G 0
G 1
拔苗助长的寓意G 2G 3
B7B6B5B4B3B2B1B0G7G6G5G4B C K
R O
I R E F V R E F
A V S S
V B
D V S S
D V S S
G C K
R C K
C E B L K RO GO GO BO BO VG AV D
D AV DD AV DD AV DD DV DD DV DD
Pin Description and I/O Pins Equivalent Circuit
—5—大笪地
(f CLK=40 MHz, AV DD=DV DD=5 V, R OUT=200 Ω, V REF=2.0 V, Ta=25 °C)
Item Resolution
Conversion speed
Integral non-linearity error Differential non-linearity error Output full-scale voltage Output full-scale ratio ∗1 Output full-scale current Output offt voltage
Glitch energy
Crosstalk
Supply current
Analog input resistance Input capacitance
Digital input voltage
Digital input current
Setup time
Hold time
Propagation delay time
CE enable time ∗2
CE disable time ∗2Symbol
n
f CLK
E L
E D
V FS
F SR
I FS
V OS
GE
CT
I DD
I STB
R IN
C I
V IH
V IL
I IH
对眼是怎么造成的
I IL
t s
t h
t PD
t E
t D
Measurement conditions
AV DD=DV DD=4.75 to 5.25 V
Ta=–40 to 85 °C
Endpoint
When “00000000” data input
R OUT=75 Ω
When 1 MHz sine wave input
14.3MHz color bar CE= “L”
data input CE= “H”
VREF
比例尺怎么求AV DD=DV DD=4.75 to 5.25 V
Ta=–20 to 75 °C
AV DD=DV DD=4.75 to 5.25 V
Ta=–20 to 75 °C
R OUT=75 Ω
R OUT=75 Ω
CE= H→L
CE= L→H
Min.
0.5
–2.5
–0.3
1.8
1
2.4
–5
5
10
Typ.
8
2.0
1.5
10
30
57
42
1
10
1.8
1.8
Max.
40
2.5
0.3
2.2
3.0
15
1
48
2
9
0.8
5
4
4
Unit
bit
MSPS
LSB
LSB
V
%
mA
mV
pV•s
dB
mA
MΩ
pF
V
µA
ns
ns
ns
ms
ms Full-scale voltage of channel
∗1Full-scale output ratio =
Average of the full-scale voltage of the channels
–1×100 (%)∗2When the external capacitor for the VG pin is 0.1 µF.
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