MAX5863ETM+ Maxim Integrated Products, MAX5863ETM+ Datasheet

IC AFE 8/10BIT 7.5MSPS 48-TQFN

MAX5863ETM+

Manufacturer Part Number
MAX5863ETM+
Description
IC AFE 8/10BIT 7.5MSPS 48-TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX5863ETM+

Number Of Bits
8, 10
Number Of Channels
8
Power (watts)
22.8mW
Voltage - Supply, Analog
2.7 V ~ 3.3 V
Voltage - Supply, Digital
1.8 V ~ 3.3 V
Package / Case
48-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX5863 ultra-low-power, highly integrated analog
front end is ideal for portable communication equipment
such as handsets, PDAs, WLAN, and 3G wireless termi-
nals. The MAX5863 integrates dual 8-bit receive ADCs
and dual 10-bit transmit DACs while providing the high-
est dynamic performance at ultra-low power. The ADCs’
analog I-Q input amplifiers are fully differential and
accept 1V
phase matching is ±0.03° and amplitude matching is
±0.03dB. The ADCs feature 48.5dB SINAD and 69dBc
spurious-free dynamic range (SFDR) at f
and f
fully differential with ±400mV full-scale output, and 1.4V
common-mode level. Typical I-Q channel phase match is
±0.15° and gain match is ±0.05dB. The DACs also fea-
ture dual 10-bit resolution with 73dBc SFDR, and 61dB
SNR at f
The ADCs and DACs operate simultaneously or indepen-
dently for frequency-division duplex (FDD) and time-divi-
sion duplex (TDD) modes. A 3-wire serial interface
controls power-down and transceiver modes of opera-
tion. The typical operating power is 22.8mW at f
7.5Msps with the ADCs and DACs operating simultane-
ously in transceiver mode. The MAX5863 features an
internal 1.024V voltage reference that is stable over the
entire operating power-supply range and temperature
range. The MAX5863 operates on a +2.7V to +3.3V ana-
log power supply and a +1.8V to +3.3V digital I/O power
supply for logic compatibility. The quiescent current is
3.5mA in idle mode and 1µA in shutdown mode. The
MAX5863 is specified for the extended (-40°C to +85°C)
temperature range and is available in a 48-pin thin QFN
package.
19-2914; Rev 1; 10/03
*EP = Exposed paddle.
**Contact factory for dice specifications.
Pin Configuration appears at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
MAX5863ETM
MAX5863E/D
PART
CLK
Narrowband/Wideband CDMA Handsets
and PDAs
Fixed/Mobile Broadband Wireless Modems
3G Wireless Terminals
OUT
= 7.5Msps. The DACs’ analog I-Q outputs are
P-P
= 620kHz and f
full-scale signals. Typical I-Q channel
________________________________________________________________ Maxim Integrated Products
Performance, 7.5Msps Analog Front End
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
General Description
CLK
= 7.5MHz.
Applications
PIN-PACKAGE
48 Thin QFN-EP*
(7mm x 7mm)
Dice**
Ultra-Low-Power, High-Dynamic
IN
= 1.875MHz
CLK
=
o Integrated Dual 8-Bit ADCs and Dual 10-Bit DACs
o Ultra-Low Power
o Excellent Dynamic Performance
o Excellent Gain/Phase Match
o Internal/External Reference Option
o +1.8V to +3.3V Digital Output Level (TTL/CMOS
o Multiplexed Parallel Digital Input/Output for
o Miniature 48-Pin Thin QFN Package (7mm
o Evaluation Kit Available (Order MAX5865EVKIT)
Compatible)
ADCs/DACs
22.8mW at f
20.7mW at f
Low-Current Idle and Shutdown Modes
48.5dB SINAD at f
73dBc SFDR at f
±0.03° Phase, ±0.03dB Gain at f
(ADC)
REFIN
REFN
REFP
COM
QA+
QD+
QD-
QA-
ID+
IA+
ID-
IA-
CLK
CLK
REF AND
BIAS
ADC
ADC
DAC
DAC
= 7.5MHz (Transceiver Mode)
= 5.2MHz (Transceiver Mode)
OUT
Functional Diagram
IN
MAX5863
= 1.875MHz (ADC)
= 620kHz (DAC)
AND SYSTEM
INTERFACE
CONTROL
SERIAL
OUTPUT
INPUT
MUX
ADC
MUX
DAC
IN
= 1.875MHz
Features
DA0–DA7
CLK
DD0–DD9
DIN
SCLK
CS
7mm)
1

Related parts for MAX5863ETM+

MAX5863ETM+ Summary of contents

Page 1

... Exposed paddle. **Contact factory for dice specifications. Pin Configuration appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Ultra-Low-Power, High-Dynamic o Integrated Dual 8-Bit ADCs and Dual 10-Bit DACs o Ultra-Low Power 22 ...

Page 2

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ABSOLUTE MAXIMUM RATINGS V to GND OGND................................-0.3V to +3. GND to OGND.......................................................-0.3V to +0.3V IA+, IA-, QA+, QA-, ID+, ID-, QD+, QD-, REFP, REFN, REFIN, COM to GND ..............................-0.3V ...

Page 3

Performance, 7.5Msps Analog Front End ELECTRICAL CHARACTERISTICS (continued 3V 1.8V, internal reference (1.024V DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C otherwise noted. Typical values are ...

Page 4

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ELECTRICAL CHARACTERISTICS (continued 3V 1.8V, internal reference (1.024V DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C otherwise noted. Typical values are at ...

Page 5

Performance, 7.5Msps Analog Front End ELECTRICAL CHARACTERISTICS (continued 3V 1.8V, internal reference (1.024V DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C otherwise noted. Typical values are ...

Page 6

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ELECTRICAL CHARACTERISTICS (continued 3V 1.8V, internal reference (1.024V DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C otherwise noted. Typical values are at ...

Page 7

Performance, 7.5Msps Analog Front End ELECTRICAL CHARACTERISTICS (continued 3V 1.8V, internal reference (1.024V DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C otherwise noted. Typical values are ...

Page 8

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ( 3V 1.8V, internal reference (1.024V input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output ...

Page 9

Performance, 7.5Msps Analog Front End ( 3V 1.8V, internal reference (1.024V input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output 0.33µF, Xcvr ...

Page 10

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ( 3V 1.8V, internal reference (1.024V input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output ...

Page 11

Performance, 7.5Msps Analog Front End ( 3V 1.8V, internal reference (1.024V input amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output 0.33µF, Xcvr ...

Page 12

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End PIN NAME 1 REFP Upper Reference Voltage. Bypass with a 0.33µF capacitor to GND as close to REFP as possible. Analog Supply Voltage. Bypass 0.1µF capacitor. 3 ...

Page 13

Performance, 7.5Msps Analog Front End Detailed Description The MAX5863 integrates dual 8-bit receive ADCs and dual 10-bit transmit DACs while providing ultra-low power and highest dynamic performance at a conver- sion rate of 7.5Msps. The ADCs’ analog input amplifiers are ...

Page 14

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End The ADC uses a seven-stage, fully differential, pipelined architecture that allows for high-speed con- version while minimizing power consumption. Samples taken at the inputs move progressively through the pipeline stages every half-clock cycle. ...

Page 15

Performance, 7.5Msps Analog Front End ADC System Timing Requirements Figure 3 shows the relationship between the clock, ana- log inputs, and the resulting output data. Channel IA (CHI) and channel QA (CHQ) are simultaneously sam- pled on the rising edge ...

Page 16

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End Table 2. DAC Output Voltage vs. Input Codes (Internal Reference Mode V 1.024V, External Reference Mode V DIFFERENTIAL OUTPUT VOLTAGE V 1023 REFDAC × 2.56 1023 V 1021 REFDAC × 2.56 1023 V ...

Page 17

Performance, 7.5Msps Analog Front End Table 3. MAX5863 Operation Modes FUNCTION DESCRIPTION D evi ce shutd off off, and the ...

Page 18

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End CSS CP SCLK t DS DIN MSB t DH Figure 5. 3-Wire Serial Interface Timing Diagram CS SCLK DIN 8-BIT DATA DAO–DA7 ID/QD Figure 6. MAX5863 Mode Recovery Timing Diagram ...

Page 19

Performance, 7.5Msps Analog Front End where f represents the analog input frequency and the time of the clock jitter. AJ Clock jitter is especially critical for undersampling applications. Consider the clock input as an analog input and ...

Page 20

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ID+ MAX5863 ID- QD+ QD- Figure 8. Balun-Transformer Coupled Differential to Single- Ended Output Drive for DACs REFP 1kΩ ISO IN 0.1µF 50Ω 22pF 100Ω 1kΩ REFN 0.1µF R ...

Page 21

Performance, 7.5Msps Analog Front End Figure 10. ADC DC-Coupled Differential Drive T/R Figure 11. Typical Application Circuit for TDD mode ______________________________________________________________________________________________________ Ultra-Low-Power, High-Dynamic R4 R5 600Ω 600Ω R1 600Ω R2 600Ω 600Ω 600Ω R3 600Ω 600Ω ...

Page 22

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End with RF quadrature modulators while eliminating dis- crete components and amplifiers used for level-shifting circuits. Also, the DAC’s full dynamic range is pre- served because the internally generated common- mode level eliminates code-generated ...

Page 23

Performance, 7.5Msps Analog Front End Ideally, the midscale transition occurs at 0.5 LSB above midscale. The offset error is the amount of deviation between the measured transition point and the ideal transition point. Offset error is the difference between the ...

Page 24

Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End Power-Supply Rejection Power-supply rejection is defined as the shift in offset and gain error when the power supply is changed ±5%. Small-Signal Bandwidth A small -20dBFS analog input signal is applied to an ...

Page 25

Performance, 7.5Msps Analog Front End (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) D D/2 ______________________________________________________________________________________ Ultra-Low-Power, High-Dynamic k E/2 (NE- DETAIL ...

Page 26

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 26 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Package Information (continued) ** NOTE: T4877 CUSTOM 48L PKG ...

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