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Mixed-Signal Transceiver. AFE7222 Datasheet

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Mixed-Signal Transceiver. AFE7222 Datasheet






AFE7222 Transceiver. Datasheet pdf. Equivalent




AFE7222 Transceiver. Datasheet pdf. Equivalent





Part

AFE7222

Description

Analog Front End Wideband Mixed-Signal Transceiver



Feature


AFE7222 AFE7225 www.ti.com SLOS711B β€ “ NOVEMBER 2011 – REVISED MARCH 2012 Analog Front End Wideband Mixed-Signal Transceiver Check for Samples: AFE722 2, AFE7225 1 INTRODUCTION 1.1 FEATURES 1 β€’ AFE7225 – Dual 12-Bit 250MSPS TX DACs – Dual 12-Bit 125MSPS RX ADCs β€’ AFE7222 – Dual 12-Bit 130MSPS TX DACs – Dual 12-Bit 65MSPS RX ADCs β€ ’ OPTIONS – Dual 12-Bit Auxiliary DA.
Manufacture

Texas Instruments

Datasheet
Download AFE7222 Datasheet


Texas Instruments AFE7222

AFE7222; Cs – Dual Input 12-Bit Auxiliary ADC – TX Path Interpolation by 2 or 4 – RX Path Decimation by 2 – 3.0V/1.8V Supplies, Low Power – Fast Wakeup Mod es for Half-Duplex – Coarse or Fine D igital Mixer – Quadrature Modulation Corrections – Clock Input Divide/Mult iply – Serial LVDS or Interleaved Par allel CMOS Interface – 64-Pin QFN Pac kage (9mm Γ— 9mm) 1.2 APPLICATIONS β€’ P.


Texas Instruments AFE7222

ortable, Low Power Radio β€’ Wireless In frastructure β€’ Point-to-Point Radio β €’ Pico-Cell BTS 1.3 DESCRIPTION The A FE7225/7222 is an analog front end desi gned for full- or half-duplex radios. O ver-sampling transmit 12-bit DACs provi de output frequencies from baseband to Nyquist. Under-sampling receive 12-bit ADCs allow analog inputs from baseband to ~230MHz. Most blocks .


Texas Instruments AFE7222

within the AFE7225/7222 are independentl y controlled for optimization of power consumption versus utilization. Two aux iliary control 12-bit DACs and a dual i nput auxiliary monitoring 12-bit ADC ar e available via serial interface. Digit al features include QMC (quadrature mod ulation correction), interpolation, dec imation, RMS/peak power meter and mixer s with independent.

Part

AFE7222

Description

Analog Front End Wideband Mixed-Signal Transceiver



Feature


AFE7222 AFE7225 www.ti.com SLOS711B β€ “ NOVEMBER 2011 – REVISED MARCH 2012 Analog Front End Wideband Mixed-Signal Transceiver Check for Samples: AFE722 2, AFE7225 1 INTRODUCTION 1.1 FEATURES 1 β€’ AFE7225 – Dual 12-Bit 250MSPS TX DACs – Dual 12-Bit 125MSPS RX ADCs β€’ AFE7222 – Dual 12-Bit 130MSPS TX DACs – Dual 12-Bit 65MSPS RX ADCs β€ ’ OPTIONS – Dual 12-Bit Auxiliary DA.
Manufacture

Texas Instruments

Datasheet
Download AFE7222 Datasheet




 AFE7222
AFE7222
AFE7225
www.ti.com
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Analog Front End Wideband Mixed-Signal Transceiver
Check for Samples: AFE7222, AFE7225
1 INTRODUCTION
1.1 FEATURES
1
β€’ AFE7225
– Dual 12-Bit 250MSPS TX DACs
– Dual 12-Bit 125MSPS RX ADCs
β€’ AFE7222
– Dual 12-Bit 130MSPS TX DACs
– Dual 12-Bit 65MSPS RX ADCs
β€’ OPTIONS
– Dual 12-Bit Auxiliary DACs
– Dual Input 12-Bit Auxiliary ADC
– TX Path Interpolation by 2 or 4
– RX Path Decimation by 2
– 3.0V/1.8V Supplies, Low Power
– Fast Wakeup Modes for Half-Duplex
– Coarse or Fine Digital Mixer
– Quadrature Modulation Corrections
– Clock Input Divide/Multiply
– Serial LVDS or Interleaved Parallel CMOS
Interface
– 64-Pin QFN Package (9mm Γ— 9mm)
1.2 APPLICATIONS
β€’ Portable, Low Power Radio
β€’ Wireless Infrastructure
β€’ Point-to-Point Radio
β€’ Pico-Cell BTS
1.3 DESCRIPTION
The AFE7225/7222 is an analog front end designed for full- or half-duplex radios. Over-sampling transmit
12-bit DACs provide output frequencies from baseband to Nyquist. Under-sampling receive 12-bit ADCs
allow analog inputs from baseband to ~230MHz. Most blocks within the AFE7225/7222 are independently
controlled for optimization of power consumption versus utilization. Two auxiliary control 12-bit DACs and
a dual input auxiliary monitoring 12-bit ADC are available via serial interface. Digital features include QMC
(quadrature modulation correction), interpolation, decimation, RMS/peak power meter and mixers with
independent NCOs for RX and TX path.
The AFE7225/7222 is available in a 64-pin 9x9mm QFN package (RGC). The AFE7225/7222 is built on
Texas Instrument’s low power analog CMOS process and is specified over the full industrial temperature
range (–40Β°C to 85Β°C).
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products conform to
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.
Copyright Β© 2011–2012, Texas Instruments Incorporated




 AFE7222
AFE7222
AFE7225
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
1.4 DETAILED BLOCK DIAGRAM
INP_A_ADC
INN_A_ADC
12b
RX ADC A
INP_B_ADC
INN_B_ADC
VCM
CLKINP
CLKINN
BIASJ
ADC CLK
DAC CLK
12b
RX ADC B
Clock
Divide/Multiply
SYNC
IOUTP_A_DAC
IOUTN_A_DAC
IOUTP_B_DAC
IOUTN_B_DAC
AUXDAC_A
AUXDAC_B
12b
TX DAC A
12b
TX DAC B
12b Aux DAC
12b Aux DAC
SYNC
SYNC
SYNC
RX RMS /
Peak
Power Meter
SYNC
SYNC
NCO
SYNC
SYNC
NCO
SYNC
SYNC
SYNC
SYNC
Internal
Reference
SYNC
SYNC
AUXADC_A
AUXADC_B
2-1
MUX
12b Aux ADC
SPI Interface, Registers and Control
SYNC
Figure 1-1. Block Diagram of AFE7222/AFE7225
12-Bit ADC
Outputs
AVDD3_AUX = 3 V
AVDD3_DAC = 3 V
DVDD18_DAC = 1.8 V
AVDD18_ADC = 1.8 V
DVDD18 = 1.8 V
DVDD18_CLK = 1.8 V
Thermal Pad = Ground
12-Bit DAC
Inputs
SYNC
SEN
SCLK
SDATA
SDOUT
RESET
PDN
2 INTRODUCTION
Copyright Β© 2011–2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Link(s): AFE7222 AFE7225




 AFE7222
www.ti.com
2 DEVICE INFORMATION
AFE7222
AFE7225
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
2.1 PACKAGE/ORDERING INFORMATION
PRODUCT PACKAGE-LEAD
PACKAGE
DESIGNATOR
SPECIFIED
TEMPERATURE
RANGE
AFE7222
QFN-64
RGC
–40Β°C to 85Β°C
AFE7225
QFN-64
RGC
–40Β°C to 85Β°C
2.2 DEVICE PINOUT, CMOS INPUT/OUTPUT MODE
RGC Package
(Top View)
PACKAGE
MARKING
AFE7222I
AFE7225I
ORDERING
NUMBER
AFE7222IRGCT
AFE7222IRGCR
AFE7222IRGC25
AFE7225IRGCT
AFE7225IRGCR
AFE7225IRGC25
TRANSPORT
MEDIA,
QUANTITY
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
AVDD18_ADC
INN_B_ADC
INP_B_ADC
AVDD18_ADC
INN_A_ADC
INP_A_ADC
AVDD18_ADC
CLKINN
CLKINP
DVDD18_CLK
AVDD3_DAC
IOUTP_A_DAC
IOUTN_A_DAC
AVDD3_DAC
IOUTP_B_DAC
IOUTN_B_DAC
164 63
62
61
60
59
58
57
56
55
54
53
52 51
50
49
48
2 47
3
4 Thermal pad connected to ground
46
45
5 44
6 43
7 42
64-QFN8 64 QFN
9
41
40
10 39
11 38
12 37
13 36
14 35
15 34
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
33
32
ADCDATA6
ADC_DCLKOUT
ADCDATA7
ADCDATA8
ADCDATA9
ADCDATA10
ADCDATA11
DVDD18
SYNCIN
DACDATA0
DACDATA1
DACDATA2
DACDATA3
DACDATA4
DAC_DCLKIN
DACDATA5
Figure 2-1. Device Pinout, CMOS Input/Output Mode
Copyright Β© 2011–2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Link(s): AFE7222 AFE7225
DEVICE INFORMATION
3



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