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PDF CXD1177Q Data sheet ( Hoja de datos )
| Número de pieza | CXD1177Q | |
| Descripción | 8-bit 40MSPS YC 2-channel D/A Converter | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXD1177Q
8-bit 40MSPS YC 2-channel D/A Converter
Description
The CXD1177Q is an 8-bit high-speed D/A
converter for video band use. It has an input/output
equivalent to 2 channels of Y and C. It is suitable
for use of digital TV, graphic display, and others.
32 pin QFP (Plastic)
Features
• Resolution 8-bit
• Maximum conversion speed 40MSPS
• YC 2-channel input/output
• Differential linearity error ±0.3 LSB
• Low power consumption 160 mW
(200 Ω load at 2 Vp-p output)
• Single 5 V power supply
• Low glitch noise
• Stand-by function
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage AVDD, DVDD
7
V
• Input voltage (All pins)
VIN VDD +0.5 to VSS –0.5 V
• Output current (Every each channel)
IOUT
0 to 15
mA
• Storage temperature
Tstg –55 to +150 °C
Recommended Operating Conditions
• Supply voltage AVDD, AVSS 4.75 to 5.25
V
DVDD, DVSS 4.75 to 5.25
V
• Reference input voltage
VREF
2.0 V
• Clock pulse width
TPW1, TPW0 11.2 ns (min.) to 1.1 µs (max.)
• Operating temperature
Topr
–40 to +85 °C
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E90602F01
1 page  
CXD1177Q
Electrical Characteristics
(FCLK=40 MHz, AVDD=DVDD=5 V, ROUT=200 Ω, VREF=2.0 V, Ta=25 °C)
Item Symbol Measurement conditions
Resolution
n
Conversion speed
FCLK
AVDD=DVDD=4.75 to 5.25 V
Ta=–40 to +85 °C
Integral non-linearity error EL
Differential non-linearity error ED
Endpoint
Output full-scale voltage
Output full-scale ratio ∗1
VFS
FSR
Output full-scale current
IFS
Output offset voltage
VOS When “00000000” data input
Glitch energy
GE ROUT=75 Ω
Crosstalk
CT When 1 kHz sine wave input
Supply current
IDD When 14.3 MHz
CE=L
ISTB color bar data input CE=H
Analog input resistance
RIN VREF
Input capacitance
CI
Digital input voltage
VIH AVDD=DVDD=4.75 to 5.25 V
VIL Ta=–20 to +75 °C
Digital input current
IIH AVDD=DVDD=4.75 to 5.25 V
IIL Ta=–20 to +75 °C
Setup time
ts ROUT=75 Ω
Hold time
th ROUT=75 Ω
Propagation delay time
CE enable time ∗2
CE disable time ∗2
tPD
tE CE=H→L
tD CE=L→H
Min. Typ. Max. Unit
8 bit
0.5 40 MSPS
–2.5
–0.3
1.8 2.0
0 1.5
10
30
57
1
2.4
2.5 LSB
0.3 LSB
2.2 V
3.0 %
15 mA
1 mV
pV•s
dB
32
mA
1.2
MΩ
9 pF
V
0.8
–5 5 µA
5 ns
10 ns
10 ns
2 4 ms
2 4 ms
∗1 Full-scale output ratio =
Full-scale voltage for each channel
–1 × 100 (%)
Full-scale voltage average value for each channels
∗2 When the external capacitors for the VG pins are 0.1 µF.
Electrical Characteristics Measurement Circuit
}Analog Input Resistance
Digital Input Current
Measurement Circuit
A
V
+5.25V
AVDD, DVDD
CXD1177Q
AVSS, DVSS
—5—
5 Page 
2. Example when latch up easily occurs
a. When analog and digital supplies are from different sources
DVDD
AVDD
31
AVDD
32
DVDD
+5V +5V
C
CXD1177Q
AVSS
AVSS
23
DVSS
21
DVSS
DIGITAL IC
b. When analog and digital supplies are from common source
(i)
AVDD
DVDD
+5V
C
31
AVDD
32
DVDD
CXD1177Q
AVSS
AVSS
23
DVSS
21
DVSS
(ii)
AVDD
+5V
DVDD
31
AVDD
32
DVDD
CXD1177Q
AVSS
AVSS
23
DVSS
21
DVSS
DIGITAL IC
DIGITAL IC
CXD1177Q
—11—
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet CXD1177Q.PDF ] | |
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