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7013 PDF даташит

Спецификация 7013 изготовлена ​​​​«Analog Devices» и имеет функцию, называемую «CMOS TIA IS-54 Baseband Receive Port».

Детали детали

Номер произв 7013
Описание CMOS TIA IS-54 Baseband Receive Port
Производители Analog Devices
логотип Analog Devices логотип 

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7013 Даташит, Описание, Даташиты
a
CMOS
TIA IS-54 Baseband Receive Port
AD7013
FEATURES
Single +5 V Supply
Receive Channel
Differential or Single-Ended Analog Inputs
Auxiliary Set of Analog I & Q Inputs
Two Sigma-Delta A/D Converters
Choice of Two Digital FIR Filters
Root-Raised-Cosine Rx Filters, α = 0.35
Brick Wall FIR Rx Filters
On-Chip or User Rx Offset Calibration
ADC Sampling Vernier
Three Auxiliary DACs
On-Chip Voltage Reference
Low Active Power Dissipation, Typical 45 mW
Low Sleep Mode Power Dissipation, <50 µW
28-Pin SSOP
APPLICATIONS
American TIA Digital Cellular Telephony
American Analog Cellular Telephony
Digital Baseband Receivers
GENERAL DESCRIPTION
The AD7013 is a complete low power, CMOS, TIA IS-54 base-
band receive port with single +5 V power supply. The part is
designed to perform the baseband conversion of I and Q
waveforms in accordance with the American (TIA IS-54)
Digital Cellular Telephone system.
The receive path consists of two high performance sigma-delta
ADCs, each followed by a FIR digital filter. A primary and
auxiliary set of IQ differential analog inputs are provided,
where either can be selected as inputs to the sigma-delta
ADCs. Also, a choice of two frequency responses are available
for the receive FIR filters; a Root-Raised-Cosine filter for
digital mode or a brick wall response for analog mode.
Differential analog inputs are provided for both I and Q
channels. On-chip calibration logic is also provided to remove
either on-chip offsets or remove system offsets. A 16-bit serial
interface is provided, interfacing easily to most DSPs. The
receive path also provides a means to vary the sampling
instant, giving a resolution to 1/32 of a symbol interval.
The auxiliary section provides two 8-bit DACs and one 10-bit
DAC for functions such as automatic gain control (AGC),
automatic frequency control (AFC) and power amplifier
control.
As it is a necessity for all digital mobile systems to use the
lowest possible power, the device has receive and auxiliary
power down options. The AD7013 is housed in a space
efficient 28-pin SSOP (Shrink Small Outline Package).
FUNCTIONAL BLOCK DIAGRAM
DxCLK
DATA IN
FRAME IN
MODE1
FRAME OUT
Rx CLK
Rx DATA
Rx FRAME
MCLK
DGND VDD
AUX DAC1 AUX DAC2 AUX DAC3
FS ADJUST VAA AGND
SERIAL
INTERFACE
RECEIVE
CHANNEL
SERIAL
INTERFACE
10-BIT
AUX DAC
8-BIT
AUX DAC
8-BIT
AUX DAC
FULL-SCALE
ADJUST
LATCH
LATCH
OFFSET
ADJUST
ANALOG MODE
FIR DIGITAL FILTER
ROOT RAISED COSINE
FIR DIGITAL FILTER
LATCH
1.23V
REFERENCE
AD7013
∆Σ
MODULATOR
SWITCHED
CAP FILTER
MUX
OFFSET
ADJUST
ANALOG MODE
FIR DIGITAL FILTER
ROOT RAISED COSINE
FIR DIGITAL FILTER
∆Σ
MODULATOR
SWITCHED
CAP FILTER
MUX
AGND
AGND
BYPASS
IRx
IRx
AUX IRx
AUX IRx
QRx
QRx
AUX QRx
AUX QRx
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703









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7013 Даташит, Описание, Даташиты
AD7013–SPECIFICATIONS1 (VAA = VDD = +5 V ± 10%; AGND = DGND = 0 V; fMCLK = 6.2208 MHz;
TA = TMIN to TMAX, unless otherwise noted)
Parameter
RECEIVE SECTION
ADC SPECIFICATION
Number of Input Channels
Number of ADC Channels
Resolution
ADC Signal Range
Differential Signal Range
Single-Ended Signal Range
VBIAS
Input Range Accuracy
Accuracy
Bias Offset Error
Dynamic Specifications
CMRR
Dynamic Range
SNR2
Input Sampling Rate
Output Word Rate
RECEIVE DIGITAL FILTERS
Digital Mode
Root-Raised-Cosine
Settling Time
Absolute Group Delay
Frequency Response
0–7.8975 kHz
11.9 kHz
16.4025 kHz
> 30 kHz
Analog Mode
Brick Wall Filter
Settling Time
Absolute Group Delay
Frequency Response
0–8 kHz
11.4 kHz
15 kHz
>17 kHz
TIA IS-54 RECEIVE SPECIFICATIONS
Error Vector Magnitude3
Error Offset Magnitude3
AD7013A
Units
Test Conditions/Comments
4
2
15
2.6
VBIAS ± 0.65
VBIAS ± 1.3
0.65 to (VAA–0.65)
1.3 to (VAA–1.3)
± 7.5
± 7.5
± 55
–40
70
65
65
68
60
63
1.5552/1.28
97.2/80
48.6/40
(IRx–IRx) and
QRx–QRx); CR12 = 0
(AUX IRx–AUX IRx) and
(AUX QRx–AUX QRx); CR12 = 1
Bits
Volts p-p
Volts
Volts
Volts min/max
Volts min/max
%
Measured Using an Input Sine Wave of 3 kHz
For Both Noninverting and
Inverting Analog Inputs
For Noninverting Analog Inputs;
Inverting Analog Inputs = VBIAS
Differential
Single-Ended
mV Autocalibration; VBIAS = min/max
mV User Calibration; I & Q Offset
Adjust Registers Equal to Zero
dB typ
dB typ
dB typ
dB min
dB typ
dB min
dB typ
MHz
kHz
kHz
Measured Using an Input Sine Wave of
3 kHz with Both Noninverting and
Inverting Inputs Tied Together
Digital Mode Filter; CR11 = 0
Analog Mode Filter; CR11 = 1
Digital Mode Filter; CR11 = 0
Analog Mode Filter; CR11 = 1
MCLK = 6.2208 MHz/5.12 MHz; MCLK/4
MCLK = 6.2208 MHz/5.12 MHz;
4 × Sampling of the Symbol Rate, MCLK/64
MCLK = 6.2208 MHz/5.12 MHz;
2 × Sampling of the Symbol Rate, MCLK/128
α = 0.35
329.2
164.6
± 0.05
–3.0
–19
–66
400
200
0 to –0.5
–3.0
–24
–68
µs
µs
dB max
dB
dB
dB max
µs
µs
dB max
dB
dB
dB max
MCLK = 6.2208 MHz
MCLK = 5.12 MHz
2
% rms typ
Measured Using a Full-Scale Input
1 % rms typ
–2– REV. A









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7013 Даташит, Описание, Даташиты
AD7013
Parameter
AUXILIARY SECTION
AD7013A
Units
Test Conditions/Comments
Resolution
DC Accuracy
Integral
Differential
Zero Code Leakage
Gain Error
Output Full-Scale Current
Output Impedance4
Output Voltage Compliance
Coding
Power Down Option
AUX DAC1 AUX DAC2 AUX DAC3
10 8
8
Bits
±3
–1.5/+4
± 500
± 7.5
566
±1
±1
± 500
± 7.5
280
2
2.6
Binary
Yes
±1
±1
± 500
± 7.5
280
LSBs max
LSBs max
nA max
% max
µA
Mtyp
Volts max
AUX DAC2 & AUX DAC3 Guaranteed
Monotonic
RSET = 18 k
REFERENCE SPECIFICATIONS
VREF
Reference Accuracy
Reference Impedance
1.23
±5
20
Volts typ
% max
ktyp
LOGIC INPUTS
VINH, Input High Voltage
VINL, Input Low Voltage
IINH, Input Current
CIN, Input Capacitance
LOGIC OUTPUTS
VOH, Output High Voltage
VOL, Output Low Voltage
POWER SUPPLIES
VDD
IDD5
All Sections Active
ADCs Active Only
AUX DACs Active Only
10-Bit AUX DAC Active
All Sections Powered Down6
VDD–0.9
0.9
10
10
VDD–0.4
0.4
4.5/5.5
10.5
9
8.6
2.2
1.6
2
30
10
V min
V max
µA max
pF max
V min
V max
|IOUT| 40 µA
|IOUT| 1.6 mA
VMIN/VMAX
mA max
mA typ
mA max
mA max
mA max
mA max
µA typ
µA max
CR14 = CR15 = CR16 = CR17 = 1
MCLK = 6.2208 MHz; 80 pF
Load on DxCLK
CR14 = 1; CR15 = CR16 = CR17 = 0
MCLK = 6.2208 MHz; 80 pF
Load on DxCLK
CR14 = 0; CR15 = CR16 = CR17 = 1;
MCLK Inactive, MCLK = 0 V
CR14 = CR15 = CR16 = 0; CR17 = 1;
MCLK Inactive, MCLK = 0 V
CR14 = CR15 = CR16 = CR17 = 0
MCLK = 6.2208 MHz; 80 pF
Load on DxCLK
MCLK =100 kHz; 80 pF
Load on DxCLK
MCLK Inactive, MCLK = 0 V
NOTES
1Operating temperature ranges as follows: A version: –40°C to +85°C.
2SNR calculation includes noise and distortion components.
3See Terminology.
4Sampled tested only.
5Measured while the digital inputs are static and equal to 0 V or VDD.
6With all sections powered down, IDD is proportional to the capacitive load on DxCLK. For example, I DD is typically 1.7 mA with 80 pF load and 600 µA with
10 pF load.
Specifications subject to change without notice.
REV. A
–3–










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