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參數(shù)資料
| 型號(hào)： | ADC10221 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 10-Bit, 15 MSPS, 98 mW A/D Converter with Internal Sample and Hold |
| 中文描述： | 10位，15 MSPS的98毫瓦的A / D內(nèi)部采樣與保持器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 414K |
| 代理商： | ADC10221 |
AC Electrical Characteristics
(Continued)
The following specifications apply for V
= +5.0V
, V
I/O = 5.0V
, V
+ = +3.5V
DC
, V
REF
= +1.5V
DC
, f
= 15 MHz,
t
= t
= 5 ns, R
S
= 25
. C
L
(data bus loading) = 20 pF,
Boldface limits apply for T
A
= T
MIN
to T
MAX
:
all other limits T
A
= 25C(Note 7)
Symbol
Parameter
Conditions
Typical
(Note 8)
10
20
12
Limits
(Note 9)
Units
(Limits)
ns
ns(max)
ns
t
r
, t
f
t
OD
t
OH
Output Rise and Fall Times
Fall of CLK to data valid
Output Data Hold Time
25
t
DIS
Rising edge of OE to valid data
From output High,
2K to Ground
From output Low,
2K to V
D
I/O
1K to V
CC
25
ns
18
ns
t
EN
t
VALID
t
AJ
Falling edge of OE to valid data
Data valid time
Aperture Jitter
Full Scale Step Response
25
40
<
30
1
ns
ns
ps
t
r
= 10ns
V
IN
step from
(V
REF
+ +100 mV) to
(V
REF
)
conversion
Overrange Recovery Time
1
conversion
t
WU
PD low to 1/2 LSB accurate
conversion (Wake-Up time)
700
ns
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed speci-
fications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions.
Note 2:
All voltages are measured with respect to GND = AGND = DGND = 0V, unless otherwise specified.
Note 3:
When the input voltage at any pin exceeds the power supplies ( V
IN
<
AGND or V
IN
>
V
A
or V
D
), the current at that pin should be limited to 25 mA. The
50 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 25 mA to two.
Note 4:
The absolute maximum junction temperature (T
J
max) for this device is 150C. The maximum allowable power dissipation is dictated by TJmax, the
junction-to-ambient thermal resistance (
θ
JA
), and the ambient temperature (T
A
), and can be calculated using the formula P
D
MAX = (T
J
max - T
A
)/
θ
JA
. In the 32-pin
TQFP,
θ
JA
is 69C/W, so P
D
MAX = 1,811 mW at 25C and 942 mW at the maximum operating ambient temperature of 85C. Note that the power dissipation of this
device under normal operation will typically be about 110 mW (98 mW quiescent power + 2 mW reference ladder power +10 mW due to 10 TTL load on each digital
output). The values for maximum power dissipation listed above will be reached only when the ADC10221 is operated in a severe fault condition (e.g. when input or
output pins are driven beyond the power supply voltages, or the power supply polarity is reversed). Obviously, such conditions should always be avoided.
Note 5:
Human body model is 100 pF capacitor discharged through a 1.5k
resistor. Machine model is 220 pF discharged through ZERO
.
Note 6:
See AN450,
″
Surface Mounting Methods and Their Effect on Product Reliability
″
, or the section entitled
″
Surface Mount
″
found in any post 1986 National
Semiconductor Linear Data Book, for other methods of soldering surface mount devices.
Note 7:
The inputs are protected as shown below. Input voltage magnitudes up to 500mV beyond the supply rails will not damage this device. However, errors in
the A/D conversion can occur if the input goes above V
A
or below AGND by more than 300 mV.
Note 8:
Typical figures are at T
A
= T
J
= 25C, and represent most likely parametric norms.
Note 9:
Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 10:
When the input signal is between V
REF
+ and (V
A
+ 300mV), the output code will be 3FFh, or all 1s. When the input signal is between 300 mV and V
REF
,
the output code will be 000h, or all 0s.
DS101038-11
DS101038-12
DS101038-24
A
www.national.com
7
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|---|---|
| ADC10221CIVT | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10-Bit, 15 MSPS, 98 mW A/D Converter with Internal Sample and Hold |
| ADC10221EVAL | 功能描述:BOARD EVALUATION FOR ADC10221 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
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| ADC1025BCJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10-BIT uP COMPATIBLE A/D CONVERTERS |
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