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AD7002 데이터시트(PDF) 4 Page - Analog Devices

부품명 AD7002
상세설명  LC2MOS GSM Baseband I/O Port
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
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AD7002 데이터시트(HTML) 4 Page - Analog Devices

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AD7002
–4–
REV. B
TERMINOLOGY
Absolute Group Delay
Absolute group delay is the rate of change of phase versus fre-
quency, d
θ/df. It is expressed in microseconds.
Bias Offset Error
This is the offset error (in LSBs) in the ADC section.
Differential Nonlinearity
This is the difference between the measured and the ideal
1 LSB change between any two adjacent codes in the DAC
or ADC.
Dynamic Range
Dynamic Range is the ratio of the maximum output signal to the
smallest output signal the converter can produce (1 LSB), ex-
pressed logarithmically, in decibels (dB = 20log10 (ratio)). For
an N-bit converter, the ratio is theoretically very nearly equal to
2
N (in dB, 20Nlog
10(2) = 6.02N). However, this theoretical
value is degraded by converter noise and inaccuracies in the
LSB weight.
Full-Scale Accuracy
This is the measure of the ADC full-scale error after the offset
has been adjusted out.
Gain Error
This is a measure of the output error between an ideal DAC and
the actual device output with all ls loaded after offset error has
been adjusted out and is expressed in LSBs. In the AD7002,
gain error is specified for the auxiliary section.
Gain Matching Between Channels
This is the gain matching between the ITx and QTx channel
and is expressed in dBs.
GMSK Spectrum Mask
This is the combined output spectrum of the I and Q analog
outputs when transmitting a random sequence of data bits on
the AD7002 transmit channel.
100
200
250
400
600
1800
4300
–3
–32
–35
–63
–71
–71
–63
FREQUENCY – kHz
–63
6500
AD7002 Transmit GMSK Spectrum Mask
ABSOLUTE MAXIMUM RATINGS
1
(TA = +25°C unless otherwise noted)
DVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V
Digital Input Voltage to DGND . . . . –0.3 V to DVDD + 0.3 V
Analog Input Voltage to AGND . . . . –0.3 V to AVDD + 0.3 V
Input Current to Any Pin Except Supplies
2 . . . . . . . .
±10 mA
Operating Temperature Range
Industrial Plastic (A Version) . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . +300
°C
Power Dissipation (Any Package) to +75
°C . . . . . . . 450 mW
Derates Above +75
°C by . . . . . . . . . . . . . . . . . . . . 10 mW/°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at those or any other conditions above those listed in the operational sections
of this specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Transient currents of up to 100 mA will not cause SCR latch-up.
PIN DESCRIPTION
AUX FLAG
AUX LATCH
AUX CLK
AUX DATA
MZERO
NC
Rx SLEEP1
TEST2
NC
Rx SLEEP2
CAL
Tx SLEEP
Tx DATA
CLK2
Tx CLK
DV
DGND
NC
CLK1
TEST1
NC
NC
33
32
31
30
29
28
27
26
25
24
23
1
2
3
4
5
6
7
8
9
10
11
PIN 1 IDENTIFIER
AD7002 PQFP
TOP VIEW
(Not to Scale)
NC = NO CONNECT
DD
ORDERING GUIDE
Temperature
Package
Package
Model
Range
Description
Option
AD7002AS –40
°C to +85°C Plastic Quad Flatpack S-44
WARNING!
ESD SENSITIVE DEVICE
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7002 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.


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