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參數(shù)資料
| 型號(hào)： | AD9857AST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | CMOS 200 MSPS 14-Bit Quadrature Digital Upconverter |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP80 |
| 封裝： | MS-026-BEC, LQFP-80 |
| 文件頁(yè)數(shù)： | 2/31頁(yè) |
| 文件大?。?/td> | 551K |
| 代理商： | AD9857AST |
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REV. 0
–2–
AD9857–SPECIFICATIONS
(V
S
= 3.3 V 5%, R
SET
= 1.96 k , External reference clock frequency = 10 MHz
with REFCLK Multiplier enabled at 20 ).
Test
Level
AD9857
Min
Parameter
Temp
Typ
Max
Unit
REF CLOCK INPUT CHARACTERISTICS
Frequency Range
REFCLK Multiplier Disabled
REFCLK Multiplier Enabled at 4
×
REFCLK Multiplier Enabled at 20
×
Input Capacitance
Input Impedance
Duty Cycle
Duty Cycle with REFCLK Multiplier Enabled,
Voltage Mode
Duty Cycle, Current Mode
Full
Full
Full
25
°
C
25
°
C
25
°
C
VI
VI
VI
V
V
V
1
1
1
200
50
10
MHz
MHz
MHz
pF
M
%
3
100
50
25
°
C
25
°
C
V
V
35
65
%
%
50
DAC OUTPUT CHARACTERISTICS
Resolution
Full-Scale Output Current
Gain Error
Output Offset
Differential Nonlinearity
Integral Nonlinearity
Output Capacitance
Residual Phase Noise @ 1 kHz Offset, 40 MHz A
OUT
REFCLK Multiplier Enabled at 20
×
REFCLK Multiplier at 4
×
REFCLK Multiplier Disabled
Voltage Compliance Range
Wideband SFDR
1 MHz–20 MHz Analog Out
20 MHz–40 MHz Analog Out
40 MHz–60 MHz Analog Out
60 MHz–80 MHz Analog Out
Narrowband SFDR
10 MHz Analog Out (
±
1 MHz)
10 MHz Analog Out (
±
250 kHz)
10 MHz Analog Out (
±
50 kHz)
10 MHz Analog Out (
±
10 kHz)
65 MHz Analog Out (
±
1 MHz)
65 MHz Analog Out (
±
250 kHz)
65 MHz Analog Out (
±
50 kHz)
65 MHz Analog Out (
±
10 kHz)
80 MHz Analog Out (
±
1 MHz)
80 MHz Analog Out (
±
250 kHz)
80 MHz Analog Out (
±
50 kHz)
80 MHz Analog Out (
±
10 kHz)
14
10
Bits
mA
% FS
μ
A
LSB
LSB
pF
5
8.5
20
0
2
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
I
I
V
V
V
1.6
2
5
25
°
C
25
°
C
25
°
C
25
°
C
V
V
V
I
–107
–123
–145
dBc/Hz
dBc/Hz
dBc/Hz
V
–0.5
+1.0
25
°
C
25
°
C
25
°
C
25
°
C
V
V
V
V
–75
–65
–62
–60
dBc
dBc
dBc
dBc
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
V
V
V
V
V
V
V
V
V
V
V
V
–87
–88
–92
–94
–86
–86
–86
–88
–85
–85
–85
–86
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
MODULATOR CHARACTERISTICS (65 MHz A
OUT
)
(Input Data: 2.5 MS/s, QPSK, 4
×
Oversampled,
INV SINC ON, INV CIC ON))
I/Q Offset
Error Vector Magnitude
25
°
C
25
°
C
IV
IV
55
65
0.4
dB
%
1
INVERSE SINC FILTER (Variation in Gain from
DC to 80 MHz, Inverse SINC Filter ON
25
°
C
V
±
0.1
dB
SPURIOUS POWER (Off Channel, Measured in
Equivalent Bandwidth), Full-Scale Output
6.4 MHz Bandwidth
3.2 MHz Bandwidth
1.6 MHz Bandwidth
0.8 MHz Bandwidth
0.4 MHz Bandwidth
0.2 MHz Bandwidth
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
25
°
C
IV
IV
IV
IV
IV
IV
–65
–67
–69
–69
–70
–72
dBc
dBc
dBc
dBc
dBc
dBc
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