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PDF AD9704 Data sheet ( Hoja de datos )
| Número de pieza | AD9704 | |
| Descripción | (AD9704 - AD9707) TxDAC D/A Converters | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD9704 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Data Sheet
8-/10-/12-/14-Bit, 175 MSPS TxDAC
Digital-to-Analog Converters
AD9704/AD9705/AD9706/AD9707
FEATURES
175 MSPS update rate
Low power member of pin-compatible
TxDAC product family
Low power dissipation
12 mW at 80 MSPS, 1.8 V
50 mW at 175 MSPS, 3.3 V
Wide supply voltage: 1.7 V to 3.6 V
SFDR to Nyquist
AD9707: 84 dBc at 5 MHz output
AD9707: 83 dBc at 10 MHz output
AD9707: 75 dBc at 20 MHz output
Adjustable full-scale current outputs: 1 mA to 5 mA
On-chip 1.0 V reference
CMOS-compatible digital interface
Common-mode output: adjustable 0 V to 1.2 V
Power-down mode <2 mW at 3.3 V (SPI controllable)
Self-calibration
Compact 32-lead LFCSP_VQ, RoHS compliant package
GENERAL DESCRIPTION
The AD9704/AD9705/AD9706/AD9707 are the fourth-generation
family in the TxDAC series of high performance, CMOS digital-to-
analog converters (DACs). This pin-compatible, 8-/10-/12-/14-bit
resolution family is optimized for low power operation, while
maintaining excellent dynamic performance. The AD9704/
AD9705/AD9706/AD9707 family is pin-compatible with the
AD9748/AD9740/AD9742/AD9744 family of TxDAC converters
and is specifically optimized for the transmit signal path of
communication systems. All of the devices share the same
interface, LFCSP_VQ package, and pinout, providing an upward or
downward component selection path based on performance,
resolution, and cost. The AD9704/AD9705/AD9706/AD9707
offers exceptional ac and dc performance, while supporting
update rates up to 175 MSPS.
The flexible power supply operating range of 1.7 V to 3.6 V and low
power dissipation of the AD9704/AD9705/AD9706/AD9707 parts
make them well-suited for portable and low power applications.
Power dissipation of the AD9704/AD9705/AD9706/AD9707 can
be reduced to 15 mW, with a small trade-off in performance, by
lowering the full-scale current output. In addition, a power-down
mode reduces the standby power dissipation to approximately
2.2 mW.
The AD9704/AD9705/AD9706/AD9707 has an optional serial
peripheral interface (SPI®) that provides a higher level of program-
mability to enhance performance of the DAC. An adjustable
output, common-mode feature allows for easy interfacing to
other components that require common modes from 0 V to 1.2 V.
Edge-triggered input latches and a 1.0 V temperature-compensated
band gap reference have been integrated to provide a complete,
monolithic DAC solution. The digital inputs support 1.8 V and
3.3 V CMOS logic families.
PRODUCT HIGHLIGHTS
1. Pin Compatible. The AD9704/AD9705/AD9706/AD9707
line of TxDAC® converters is pin-compatible with the
AD9748/AD9740/AD9742/AD9744 TxDAC line
(LFCSP_VQ package).
2. Low Power. Complete CMOS DAC operates on a single
supply of 3.6 V down to 1.7 V, consuming 50 mW (3.3 V)
and 12 mW (1.8 V). The DAC full-scale current can be
reduced for lower power operation. Sleep and power-down
modes are provided for low power idle periods.
3. Self-Calibration. Self-calibration enables true 14-bit INL
and DNL performance in the AD9707.
4. Twos Complement/Binary Data Coding Support. Data
input supports twos complement or straight binary data
coding.
5. Flexible Clock Input. A selectable high speed, single-ended,
and differential CMOS clock input supports 175 MSPS
conversion rate.
6. Device Configuration. Device can be configured through
pin strapping, and SPI control offers a higher level of
programmability.
7. Easy Interfacing to Other Components. Adjustable
common-mode output allows for easy interfacing to other
signal chain components that accept common-mode levels
from 0 V to 1.2 V.
8. On-Chip Voltage Reference. The AD9704/AD9705/AD9706/
AD9707 include a 1.0 V temperature-compensated band
gap voltage reference.
9. Industry-Standard 32-Lead LFCSP_VQ Package.
Rev. B
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2006–2011 Analog Devices, Inc. All rights reserved.
1 page  
Data Sheet
AD9704/AD9705/AD9706/AD9707
SPECIFICATIONS
DC SPECIFICATIONS (3.3 V)
TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, CLKVDD = 3.3 V, IOUTFS = 2 mA, unless otherwise noted.
Table 1.
Parameter
RESOLUTION
DC ACCURACY1
Integral Nonlinearity (INL)
Precalibration
Integral Nonlinearity (INL)
Postcalibration
Differential Nonlinearity
(DNL) Precalibration
Differential Nonlinearity
(DNL) Postcalibration
ANALOG OUTPUT
Offset Error
Gain Error (With External
Reference)
Gain Error (With Internal
Reference)
Full-Scale Output Current2
Output Compliance Range
(From OTCM to
IOUTA/IOUTB)
Output Resistance
Output Capacitance
REFERENCE OUTPUT
Reference Voltage
Reference Output Current3
REFERENCE INPUT
Input Compliance Range
Reference Input Resistance
(Reference Powered Up)
Reference Input Resistance
(Reference Powered Down)
TEMPERATURE COEFFICIENTS
Offset Drift
Gain Drift (Without Internal
Reference)
Gain Drift (With Internal
Reference)
Reference Voltage Drift
POWER SUPPLY
Supply Voltage
AVDD
DVDD
CLKVDD
Analog Supply Current (IAVDD)
Digital Supply Current (IDVDD)4
Clock Supply Current (ICLKVDD)4
Power Dissipation4
Supply Current Sleep Mode
(IAVDD)
AD9707
Min Typ Max
14
±1.4 ±6.0
±0.9
±1.2 ±4.4
±0.4
−0.03 0
+0.03
−2.7 −0.1 +2.7
−2.7 −0.1 +2.7
12
−0.8
5
+0.8
200
5
0.98 1.025 1.08
100
0.1
10
1
1.25
0
±29
±40
±25
3.3 3.6
3.3 3.6
3.3 3.6
5.2 6.7
5.9 6.6
4.1 4.7
50.2 57
0.37 0.4
AD9706
Min Typ Max
12
±0.41 ±1.48
±0.30
±0.35 ±1.17
±0.13
−0.03 0
+0.03
−2.7 −0.1 +2.7
−2.7 −0.1 +2.7
12
−0.8
5
+0.8
200
5
0.98 1.025 1.08
100
0.1
10
1
1.25
0
±29
±40
±25
3.3 3.6
3.3 3.6
3.3 3.6
5.2 6.7
5.4 6.6
4.1 4.7
48.5 57
0.37 0.4
AD9705
Min Typ Max
10
±0.10 ±0.36
±0.10
±0.09 ±0.31
±0.03
−0.03 0
+0.03
−2.7 −0.1 +2.7
−2.7 −0.1 +2.7
12
−0.8
5
+0.8
200
5
0.98 1.025 1.08
100
0.1
10
1
1.25
0
±29
±40
±25
3.3 3.6
3.3 3.6
3.3 3.6
5.1 6.7
5.0 6.6
4.1 4.7
46.9 57
0.37 0.4
AD9704
Min Typ Max
8
±0.03 ±0.09
±0.02 ±0.08
−0.03 0
+0.03
−2.7 −0.1 +2.7
−2.7 −0.1 +2.7
12
−0.8
5
+0.8
200
5
0.98 1.025 1.08
100
0.1
10
1
1.25
0
±29
±40
±25
3.3 3.6
3.3 3.6
3.3 3.6
5.1 6.7
4.6 6.6
4.1 4.7
45.5 57
0.37 0.4
Unit
Bits
LSB
LSB
LSB
LSB
% of FSR
% of FSR
% of FSR
mA
V
MΩ
pF
V
nA
V
kΩ
MΩ
ppm of
FSR/°C
ppm of
FSR/°C
ppm of
FSR/°C
ppm/°C
V
V
V
mA
mA
mA
mW
mA
Rev. B | Page 5 of 44
5 Page 
Data Sheet
ABSOLUTE MAXIMUM RATINGS
Table 7.
Parameter
AVDD to ACOM
DVDD to DCOM
CLKVDD to CLKCOM
ACOM to DCOM
ACOM to CLKCOM
DCOM to CLKCOM
AVDD to DVDD
AVDD to CLKVDD
DVDD to CLKVDD
SLEEP to DCOM
Digital Inputs, MODE to DCOM
IOUTA, IOUTB to ACOM
REFIO, FS ADJ, OTCM to ACOM
CLK+, CLK–, CMODE to CLKCOM
Junction Temperature
Storage Temperature Range
Lead Temperature (10 sec)
Rating
−0.3 V to +3.9 V
−0.3 V to +3.9 V
−0.3 V to +3.9 V
−0.3 V to +0.3 V
−0.3 V to +0.3 V
−0.3 V to +0.3 V
−3.9 V to +3.9 V
−3.9 V to +3.9 V
−3.9 V to +3.9 V
−0.3 V to DVDD + 0.3 V
−0.3 V to DVDD + 0.3 V
−1.0 V to AVDD + 0.3 V
−0.3 V to AVDD + 0.3 V
−0.3 V to CLKVDD + 0.3 V
150°C
−65°C to +150°C
300°C
AD9704/AD9705/AD9706/AD9707
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL CHARACTERISTICS
Thermal impedance measurements were taken on a 4-layer board
in still air, in accordance with EIA/JESD51-7.
Table 8. Thermal Resistance
Package Type
32-Lead LFCSP_VQ
θJA Unit
32.5 °C/W
ESD CAUTION
Rev. B | Page 11 of 44
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AD9704.PDF ] | |
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