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參數(shù)資料
| 型號： | HD49334A |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | CDS/PGA & 10-bit A/D Converter |
| 中文描述： | 的CDS /美國PGA |
| 文件頁數(shù)： | 12/23頁 |
| 文件大小： | 242K |
| 代理商： | HD49334A |
HD49334AF/AHF
Rev.1.0, Apr 20, 2004, page 12 of 22
Detailed Timing Specifications at Pre-Blanking
Figure 5 shows the pre-blanking detailed timing specifications.
Digital output
(D0 to D9)
ADC
data
Clamp level
ADC
data
PBLK
t
PBLK
ADCLK
×
2 clocks
ADCLK
×
10 clocks
(shifts one clock cycle depending
on the PBLK input timing)
When serial data SPinv bit is set to low
(When the SPinv is set to high, the PBLK polarity is inverted.)
Vth
V
OL
V
OH
Figure 5 Detailed Timing Specifications at Pre-Blanking
Detailed Timing Specifications when ADCIN Input Mode is Used
Figure 6 shows the detailed timing chart when ADCIN input mode is used, and table 9 shows each timing specification.
ADCIN
(1)
ADCLK
D0 to D9
(2)
Vth
V
DD
/2
(3)
(5)
(4)
Figure 6 Detailed Timing Chart when ADCIN Input Mode is Used
Table 9
Timing Specifications when ADCIN Input Mode is Used
No.
(1)
(2), (3)
(4)
(5)
Timing
Signal fetch time
ADCLK t
WH
min./t
WL
min.
ADCLK rising to digital output hold time
ADCLK rising to digital output delay time
Symbol
t
ADC1
t
ADC2, 3
t
AHLD4
t
AOD5
Min
—
Typ
×
0.85
10
—
Typ
(6)
1/2f
ADCLK
14.5
23.5
Max
—
Typ
×
1.15
—
31.5
Unit
ns
ns
ns
ns
Detailed Timing Specifications for Digital Output-Enable Control
Figure 7 shows the detailed timing specifications for digital output enable control. When the OEB pin is set to high,
output disable mode is entered, and the output state becomes High-Z.
Digital output
(D0 to D9)
OEB
t
LZ
t
ZL
t
HZ
t
ZH
DV
DD
/2
DV
DD
/2
DV
DD
2 k
10 pF
DV
DD
DV
SS
DV
SS
V
OL
t
, t
measurement load
t
, t
measurement load
V
OH
Vth
DV
SS
10 pF
2 k
DV
SS
Figure 7 Detailed Timing Specifications for Digital Output Enable Control
相關PDF資料 |
PDF描述 |
|---|---|
| HD49334AF | CDS/PGA & 10-bit A/D Converter |
| HD49335F | CDS/PGA AND 10-bit A/D TG Converter |
| HD49335HF | CDS/PGA AND 10-bit A/D TG Converter |
| HD49338F | CDS/PGA & 12-bit A/D Converter |
| HD49338HF | CDS/PGA & 12-bit A/D Converter |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD49334AF | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CDS/PGA & 10-bit A/D Converter |
| HD49334AHNP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CDS/PGA & 10-bit A/D Converter |
| HD49334ANP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CDS/PGA & 10-bit A/D Converter |
| HD49335F | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CDS/PGA AND 10-bit A/D TG Converter |
| HD49335HF | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CDS/PGA AND 10-bit A/D TG Converter |
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