參數(shù)資料
型號： AD9912A/PCBZ
廠商： Analog Devices Inc
文件頁數(shù)： 34/40頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD9912
產(chǎn)品培訓模塊： Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
標準包裝： 1
主要目的： 計時，直接數(shù)字合成（DDS）
嵌入式： 否
已用 IC / 零件： AD9912
主要屬性： 14 位數(shù)模轉(zhuǎn)換器，48 位調(diào)節(jié)字寬
次要屬性： 1GHz 圖形用戶界面
已供物品： 板
AD9912
Rev. F | Page 4 of 40
SPECIFICATIONS
DC SPECIFICATIONS
AVDD = 1.8 V ± 5%, AVDD3 = 3.3 V ± 5%, DVDD = 1.8 V ± 5%, DVDD_I/O = 3.3 V ± 5%, AVSS = 0 V, DVSS = 0 V, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY VOLTAGE
DVDD_I/O (Pin 1)
3.135
3.30
3.465
V
DVDD (Pin 3, Pin 5, Pin 7)
1.71
1.80
1.89
V
AVDD3 (Pin 14, Pin 46, Pin 47, Pin 49)
3.135
3.30
3.465
V
AVDD3 (Pin 37)
1.71
3.30
3.465
V
Pin 37 is typically 3.3 V but can be set to 1.8 V
AVDD (Pin 11, Pin 19, Pin 23 to Pin 26, Pin 29,
Pin 30, Pin 36, Pin 42, Pin 44, Pin 45, Pin 53)
1.71
1.80
1.89
V
SUPPLY CURRENT
See also the Total Power Dissipation
specifications
IAVDD3 (Pin 37)
8
9.6
mA
CMOS output driver at 3.3 V, 50 MHz, with
5 pF load
IAVDD3 (Pin 46, Pin 47, Pin 49)
26
31
mA
DAC output current source, fS = 1 GSPS
IAVDD (Pin 11, Pin 19, Pin 23 to Pin 26, Pin 29,
Pin 30, Pin 36, Pin 42, Pin 44, Pin 45)
113
136
mA
Aggregate analog supply, with system
clock PLL, HSTL output driver, and S-divider
enabled
IAVDD (Pin 53)
40
48
mA
DAC power supply
IDVDD (Pin 3, Pin 5, Pin 7)
205
246
mA
Digital core (SpurKiller off )
IDVDD_I/O (Pin 1, Pin 14 1)
2
3
mA
Digital I/O (varies dynamically)
LOGIC INPUTS (Except Pin 32)
Pin 9, Pin 10, Pin 54, Pin 55, Pin 58 to Pin 61,
Pin 63, Pin 64
Input High Voltage (VIH)
2.0
DVDD_I/O
V
Input Low Voltage (VIL)
DVSS
0.8
V
Input Current (IINH, IINL)
±60
±200
μA
At VIN = 0 V and VIN = DVDD_I/O
Maximum Input Capacitance (CIN)
3
pF
CLKMODESEL (Pin 32) LOGIC INPUT
Pin 32 only
Input High Voltage (VIH)
1.4
AVDD
V
Input Low Voltage (VIL)
AVSS
0.4
V
Input Current (IINH, IINL)
18
50
μA
At VIN = 0 V and VIN = AVDD
Maximum Input Capacitance (CIN)
3
pF
LOGIC OUTPUTS
Pin 62 and the following bidirectional pins:
Pin 9, Pin 10, Pin 54, Pin 55, Pin 63
Output High Voltage (VOH)
2.7
DVDD_I/O
V
IOH = 1 mA
Output Low Voltage (VOL)
DVSS
0.4
V
IOL = 1 mA
FDBK_IN INPUT
Pin 40, Pin 41
Input Capacitance
3
pF
Input Resistance
18
22
26
kΩ
Differential
Differential Input Voltage Swing
225
mV p-p
Equivalent to 112.5 mV swing on each leg;
must be ac-coupled
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