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參數(shù)資料
| 型號： | AD7002 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | M83723 4C 4#12 PIN RECP |
| 中文描述： | LC2MOS GSM基帶I / O端口 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 455K |
| 代理商： | AD7002 |
–2–
REV. B
AD7002–SPECIFICATIONS
1
Parameter
AD7002A
Units
Test Conditions/Comments
ADC SPECIFICATIONS
Resolution
Signal Input Span
Sampling Rate
Output Word Rate
12
±
V
REF
/2
13
270.8
541.7
Bits
Volts
MSPS
kHz
kHz
Rx SLEEP = 0 V, Tx SLEEP = V
DD
Biased on V
REF
(2.5 V)
RATE 0
RATE 1
Accuracy
Integral
Differential
2
Bias Offset Error
±
1
0
±
6.5
±
8
300
10
LSB typ
LSB max
LSB typ
k
typ
pF typ
After External Calibration; MZERO Low
After Internal Calibration; MZERO High
Input Resistance (DC)
Input Capacitance
Dynamic Specifications
Dynamic Range
Signal to (Noise+Distortion)
Gain Error
Gain Match Between Channels
Filter Settling Time
Frequency Response
0 kHz–100 kHz
110 kHz
122 kHz
200 kHz
400 kHz–6.5 MHz
Absolute Group Delay
Group Delay Between Channels (0 kHz–120 kHz)
Coding
Power-Down Option
Input Frequency = 67.7 kHz
64
62
±
0.5
±
0.15
47
dB typ
dB min
dB max
dB max
μ
s typ
Input Frequency = 67.7 kHz, w.r.t. 2.5 V
Input Frequency = 67.7 kHz
±
0.05
–0.8
–3.0
–66
–72
23
5
Twos Complement
Yes
dB max
dB max
dB max
dB max
dB max
μ
s typ
ns typ
Rx SLEEP = V
DD
, Independent of Transmit
TRANSMIT DAC SPECIFICATIONS
Resolution
Number of Channels
Update Rate
DC Accuracy
Integral
Differential
Output Signal Span
10
2
4.33
Bits
Rx SLEEP = V
DD
, Tx SLEEP = 0 V
MSPS
16
3
Oversampling of the Bit Rate
±
0.7
±
1.0
±
V
REF
/2
LSB typ
LSB typ
Volts
Centered on V
REF
Nominal (100 k
/20 pF
Load)
w.r.t. 2.5 V
10 0000 0000 Loaded to DAC
Output Signal Full-Scale Accuracy
Offset Error
I Tx & Q Tx Gain Matching
Absolute Group Delay
Group Delay Linearity (0 kHz–120 kHz)
Phase Matching Between Channels
GMSK Spectrum Mask
3
100 kHz
200 kHz
250 kHz
400 kHz
0.6 MHz
4.3 MHz
6.5 MHz
GMSK Phase Trajectory Error
3
±
1
±
25
±
0.15
10
30
0.5
dB max
mV max
dB max
μ
s typ
ns typ
°
typ
Measured at 67.7 kHz
Each Channel, 10 kHz < F
OUT
< 100 kHz
Generating 67.7 kHz Sine Waves
–3
–32
–35
–63
–71
–63
–63
2
6
9
dB min
dB min
dB min
dB min
dB min
dB min
dB min
°
rms max
°
peak max
μ
s typ
Maximum Phase Effect Instance
3
Output Impedance
I Tx
Q Tx
GMSK ROM
120
120
Yes
typ
typ
Contains GMSK Coding, Four-Bit Impulse
Response
Tx SLEEP = V
DD
, Independent of Receive
Power-Down Option
Yes
(AV
DD
= +5 V
6
10%; DV
DD
= +5 V
6
10%; AGND = DGND = 0 V, f
CLK1
= f
CLK2
= 13 MHz;
T
A
= T
MIN
to T
MAX
, Rx SLEEP
1
= Rx SLEEP
2
= Tx SLEEP = DV
DD
, unless otherwise noted)
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