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參數資料
| 型號： | AD5390BCP-5-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 8-/16-Channel, 3 V/5 V, Serial Input, Single- Supply, 12-/14-Bit Voltage Output DACs |
| 中文描述： | SERIAL INPUT LOADING, 8 us SETTLING TIME, 14-BIT DAC, QCC64 |
| 封裝： | 9 X 9 MM, MO-220VMMD-4, LFCSP-64 |
| 文件頁數： | 39/44頁 |
| 文件大小： | 1319K |
| 代理商： | AD5390BCP-5-REEL7 |
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AD5390/AD5391/AD5392
Power Amplifier Control
Multistage power amplifier designs require a large number of
setpoints in the operation and control of the output stage. The
AD539x are ideal for these applications because of their small
size (LFCSP package) and the integration of 8 and 16 channels,
offering 12- and 14-bit resolution. Figure 44 shows a typical
transmitter architecture, in which the AD539x DACs can be
used in the following control circuits: I
BIAS
control, average
power control (APC), peak power control (PPC), transmit gain
control (TGC), and audio level control (ALC). DACs are also
required for variable voltage attenuators, phase shifter control,
and dc-setpoint control in the overall amplifier design.
Rev. A | Page 39 of 44
0
POWER
AMPLIFIER
EXCITER
AUDIO
SOURCE
50
LOAD
PHASE
SHIFT
I
BIAS
TGC
APC
PPC
ALC
Figure 44. Multistage Power Amplifier Control
Process Control Applications
The AD539x-5 family is ideal for process control applications
because it offers a combination of 8 and 16 channels and 12-bit
and 14-bit resolution. These applications generally require
output voltage ranges of 0 V to 5 V ±5 V, 0 V to 10 V ±10 V, and
current sink and source functions. The AD539x-5 products
operate from a single 5 V supply and, therefore, require external
signal conditioning to achieve the output ranges described here.
Figure 45 shows configurations to achieve these output ranges.
The key advantages of using AD539x products in these
applications are small package size, pin compatibility with the
ability to upgrade from 12 to 14 bits, integrated on-chip 2.5 V
reference with 10 ppm/°C maximum temperature coefficient,
and excellent accuracy specifications. The AD539x family
contains an offset and gain register for each channel, so users
can perform system-level calibration on a per-channel basis.
0
VOUT 3
2.5V
REFERENCE
±10V
RANGE
±5V
RANGE
4R
AD539x-5
VOUT 0
VOUT 1
VOUT 2
VOUT 4
0.1
μ
F
R
R
R
R
4R
2R
2R
I SINK
R1
R
R
1/4 OP747/
1/4 OP4177
1/4 OP747/
1/4 OP4177
1/4 OP747/
1/4 OP4177
1/4 OP747/
1/4 OP4177
0V–10V
RANGE
0V–5V
RANGE
Figure 45. Output Configurations for Process
Control Applications
Optical Transceivers
The AD539x-3 family of products are ideally suited to optical
transceiver applications. In 300 pin MSA applications, for
example, digital-to-analog converters are required to control the
laser power, APD bias, modulator amplitude and diagnostic
information is required as analog outputs from the module. The
AD539x offering a combination of 8/16 channels, resolution of
12/14-bits in a 64 lead LFCSP package, operating from a supply
voltage of 2.7 V to 5.5 V supply with internal reference and
featuring I
2
C-compatible and SPI interface, make it an ideal
component for use in these applications. Figure 46 shows a
typical configuration in an optical transceiver application.
10AND
LASER
PIN/APD
IRXP
IMODMON
IMPD
IBIASMON
AIN
SDA
VLSRBIAS
VLSRPWRMON
VXLOPMON
I
BIAS
IMOD
SCL
REFOUT/REFIN
AD539x-3
AV
DD
DV
DD
AV
DD
REFIN
AD7994
ADC
TIAs
I
2
C
BUS
3V
CONTROLLER
SDA
SCL
0
Figure 46. Optical Transceiver using the AD539x-3
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| AD5391BCP-5-REEL | 8-/16-Channel, 3 V/5 V, Serial Input, Single- Supply, 12-/14-Bit Voltage Output DACs |
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| AD5391BST-3-REEL | 8-/16-Channel, 3 V/5 V, Serial Input, Single- Supply, 12-/14-Bit Voltage Output DACs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD5390BCP-U1 | 制造商:Analog Devices 功能描述:DAC HEXADECIMAL RES-STRING 14BIT 64LFCSP - Bulk |
| AD5390BCP-U2 | 制造商:Analog Devices 功能描述:DAC HEXADECIMAL RES-STRING 14BIT 64LFCSP - Bulk |
| AD5390BCPZ-3 | 功能描述:IC DAC 14BIT I2C 16CH 3V 64LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 設置時間:1µs 位數:8 數據接口:串行 轉換器數目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD5390BCPZ-3-REEL | 功能描述:IC DAC 14BIT 16CHAN 3V 64LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數:16 數據接口:并聯(lián) 轉換器數目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
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