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PDF CXD2309Q Data sheet ( Hoja de datos )
| Número de pieza | CXD2309Q | |
| Descripción | 10-bit 50MSPS RGB 3-channel D/A Converter | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXD2309Q
10-bit 85MSPS 3-Channel D/A Converter
Description
The CXD2309Q is a 10-bit high-speed D/A
converter for video band, featuring RGB 3-channel
input/output. This is ideal for use in high-definition
TVs and high-resolution displays.
48 pin QFP (Plastic)
Features
• Resolution 10-bit
• Maximum conversion speed 85MSPS
• RGB 3-channel input/output
• Differential linearity error ±0.5 LSB
• Low power consumption 275 mW
(200 Ω load for 2 Vp-p output)
• Single +5 V power supply
• Low glitch
• 48-pin QFP package
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 IOUT
0 to 15
mA
• Storage temperature
Tstg –55 to +150 °C
Recommended Operating Conditions
• Supply voltage AVDD, AVSS 4.75 to 5.25
DVDD, DVSS 4.75 to 5.25
• Reference input voltage
VREF
0.5 to 2.0
• Clock pulse width
TPW1, TPW0 9 (min.)
• Operating temperature
Topr
–20 to +85
V
V
V
ns
°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—
E94341B01
1 page  
CXD2309Q
Electrical Characteristics
(fCLK=85 MHz, AVDD=DVDD=5 V, ROUT=200 Ω, VREF=2.0 V, RIR=3.3 kΩ, Ta=25°C)
Item Symbol Measurement conditions
Resolution
n
Conversion speed
AVDD=DVDD=4.75 to 5.25 V
fCLK
Ta=–20 to +85 °C
Integral non-linearity error EL
Differential non-linearity error ED
Endpoint
Precision guaranteed
output voltage range
VOC
Output full-scale voltage
Output full-scale ratio ∗1
VFS
FSR
Output full-scale current
IFS
Output offset voltage
VOS When “0000000000” data input
Glitch energy
GE ROUT=100 Ω, 1 Vp-p output
Crosstalk
When 10 MHz FCLK=50 MHz
CT
sin wave input FCLK=85 MHz
SN ratio
SNR
When 1 MHz FCLK=50 MHz
sin wave input FCLK=85 MHz
Supply current
When 10 MHz FCLK=50 MHz
IDD
sin wave output FCLK=85 MHz
Analog input resistance
RIN VREF
Input capacitance
CI
Output capacitance
CO
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
Hold time
th
Propagation delay time
tPD
Rise time
tr
Fall time
tf
Min.
0
–2.0
–0.5
1.8
1.8
0
9.0
40
50
1
2.15
–5
4
1
Typ.
10
1.92
1.92
9.6
50
42
40
55
50
48
55
125
14
26.5
26.0
Max.
Unit
bit
85 MSPS
2.0 LSB
0.5 LSB
2.0 V
2.0 V
3%
10 mA
1 mV
pV•s
dB
dB
58
mA
MΩ
9 pF
pF
V
0.85
5 µA
ns
ns
ns
ns
ns
∗1 Full-scale output ratio =
Full-scale voltage of channel
–1 × 100 (%)
Average of the full-scale voltage of the channels
Electrical Characteristics Measurement Circuit
}Analog Input Resistance
Digital Input Current
Measurement Circuit
A
V
+5.25V
AVDD, DVDD
CXD2309Q
AVSS, DVSS
—5—
5 Page 
CXD2309Q
Latch Up Prevention
The CX2309Q is a CMOS IC which requires latch up precautions. Latch up is mainly generated by the lag in
the voltage rising time of AVDD (Pin 39, 40 and 41) and DVDD (Pin 48), when power supply is ON.
1. Correct usage
a. When analog and digital supplies are from different sources
AVDD
DVDD
39 40 41
AVDD
48
DVDD
+5V +5V
C
CXD2309Q
C
DIGITAL IC
AVSS
AVSS
43 45 47
DVSS
34
b. When analog and digital supplies are from a common source
(i)
DVDD
+5V
C
AVSS
39 40 41
AVDD
48
DVDD
CXD2309Q
C
AVSS
43 45 47
DVSS
34
(ii)
DVDD
+5V
C
AVSS
39 40 41
AVDD
48
DVDD
CXD2309Q
C
AVSS
43 3435 47
DVSS
314
—11—
DIGITAL IC
DIGITAL IC
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet CXD2309Q.PDF ] | |
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