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參數(shù)資料
| 型號(hào)： | AD7011 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | CMOS, ADC p/4 DQPSK Baseband Transmit Port |
| 中文描述： | 的CMOS ADC的p / 4 DQPSK基帶傳輸端口 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大?。?/td> | 389K |
| 代理商： | AD7011 |
REV. B
–2–
AD7011–SPECIFICATIONS
1
f
MCLK
= 3.1104 MHz; Analog Mode, f
MCLK
= 2.56 MHz, POWER = V
DD
. All specifications are T
MN
to T
MAX
unless otherwse noted.)
Parameter
(V
AA
= V
DD
= +5 V
6
10%; Test = AGND = DGND = 0 V; Digital Mode,
AD7011ARS
Units
T est Conditions/Comments
DIGIT AL MODE T RANSMIT SPECIFICAT IONS
Number of Channels
Output Signal Range
Differential Output Range
2
V
REF
+ V
REF
/4
+V
REF
/2
(IT x –
ITx
) and (QT x –
QTx
)
For Each Analog Output
I Channel = (IT x –
ITx
) and
Q Channel = (QT x –
QTx
)
Measured Differentially
Volts
Volts
Signal Vector Magnitude
2
Error Vector Magnitude
2
0.875
±
7.5%
1
2.5
0.5
2.5
Volts max
% rms typ
% rms max
% typ
% max
Offset Vector Magnitude
2
IS-54 Spurious Power
2, 3
@ 30 kHz
–35
–30
–70
–65
–75
–70
dB typ
dB max
dB typ
dB max
dB typ
dB max
@ 60 kHz
@ 90 kHz, 120 kHz
ANALOG MODE SPECIFICAT IONS
No. of Channels
Resolution
Output Signal Range
Differential Output Range
2
10
V
REF
±
V
REF
/3
±
2V
REF
/3
(IT x –
ITx
) and (QT x –
QTx
)
Bits
Volts
Volts
For Each Analog Output
I Channel = (IT x – IT x) and
Q Channel = (QT x –
QTx
)
MCLK /16; f
MCLK
= 2.56 MHz
Generating a 10 kHz Sine Wave
DAC Update Rate
SNR
160
60
55
±
15
30
T wos Complement
+450/–450
kHz
dB typ
dB min
mV max
ns typ
Differential Offset Error
Group Delay Matching Between I & Q Outputs
Coding
Maximum and Minimum DAC Codes
4
Post Calibration
max/min
REFERENCE & CHANNEL SPECIFICAT IONS
Reference, V
REF
Reference Accuracy
I and Q Gain Matching
Power-Down Option
2.46
±
5
±
0.2
Yes
Volts
%
dB max
Measured @ 10 kHz
Power = 0 V
LOGIC INPUT S
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
INH
, Input Current
C
IN
, Input Capacitance
V
DD
– 0.9
0.9
10
10
V min
V max
FA max
pF max
LOGIC OUT PUT S
V
OH
Output High Voltage
V
OL
Output Low Voltage
V
DD
– 0.4
0.4
V min
V max
|I
OUT
|
≤
40
μ
A
|I
OUT
|
≤
1.6 mA
POWER SUPPLIES
V
DD
I
DD
T ransmit Section Active
4.5/5.5
V min/V max
8
6
35
5
mA max
mA typ
μ
A max
μ
A max
POWER = V
DD
T ransmit Section Powered Down
5
MCLK Active
MCLK Inactive
NOT ES
1
Operating temperature ranges as follows: A Version: –40
°
C to +85
°
C.
2
See terminology.
3
Measured in continuous transmission and Burst Mode with the I and Q channels ramping up and down at the beginning and end of a burst.
4
Headroom must be allowed for the transmit DACs such that offsets in I & Q transmit channels can be calibrated out. T herefore, the full range of the I and Q DACs
are not available to the user. T he user should ensure that binary codes greater than or less than the maximum or minimum are not loaded into the I or Q DACs.
5
Measured while the digital inputs to the transmit interface are static and equal to 0 V or V
DD
.
Specifications subject to change without notice.
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