T
參數(shù)資料
型號(hào): AD5446YRM-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 4/29頁(yè)
文件大?。?/td> 0K
描述: IC DAC 14BIT MULTIPLYING 10-MSOP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
設(shè)計(jì)資源: Versatile High Precision Programmable Current Sources Using DACs, Op Amps, and MOSFET Transistors (CN0151)
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 14
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
功率耗散(最大): 50.5µW
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): 2.7M
配用: EVAL-AD5446EBZ-ND - BOARD EVALUATION FOR AD5446
Data Sheet
AD5444/AD5446
Rev. E | Page 11 of 28
04588-
057
10k
100k
1M
10M
100M
FREQUENCY (Hz)
3
–9
0
GA
IN
(d
B)
TA = 25°C
VDD = 5V
–6
–3
VREF = ±2V, AD8038 CCOMP = 1pF
VREF = ±2V, AD8038 CCOMP = 1.5pF
VREF = ±15V, AD8038 CCOMP = 1pF
VREF = ±15V, AD8038 CCOMP = 1.5pF
VREF = ±15V, AD8038 CCOMP = 1.8pF
Figure 24. Reference Multiplying Bandwidth vs. Frequency
and Compensation Capacitor
04588-
058
50
200
225
250
TIME (ns)
0.08
–0.06
O
UT
P
UT
VO
LT
AG
E
(V)
–0.02
175
100
125
150
75
0.06
0.04
0.02
0
–0.04
TA = 25°C
VREF = 0V
AD8038 AMP
CCOMP = 1.8pF
VDD = 5V
0x7FF TO 0x800
NRG = 2.154nV-s
VDD = 3V
0x7FF TO 0x800
NRG = 1.794nV-s
VDD = 5V
0x800 TO 0x7FF
NRG = 0.694nV-s
VDD = 5V
0x800 TO 0x7FF
NRG = 0.694nV-s
Figure 25. Midscale Transition, VREF = 0 V
50
200
225
250
TIME (ns)
–1.66
–1.80
O
UT
P
UT
VO
LT
AG
E
(V)
–1.76
175
100
125
150
75
–1.68
–1.70
–1.72
–1.74
–1.78
TA = 25°C
VREF = 3.5V
AD8038 AMP
CCOMP = 1.8pF
VDD = 5V
0x7FF TO 0x800
NRG = 2.154nV-s
VDD = 3V
0x7FF TO 0x800
NRG = 1.794nV-s
VDD = 5V
0x800 TO 0x7FF
NRG = 0.694nV-s
VDD = 5V
0x800 TO 0x7FF
NRG = 0.694nV-s
04588-
059
Figure 26. Midscale Transition, VREF = 3.5 V
04588-
060
1
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
10
–100
–90
–70
–50
–30
–10
PSR
R
(d
B)
TA = 25°C
VDD = 3V
AD8038 AMPLIFIER
–80
–60
–40
–20
0
FULL SCALE
ZERO SCALE
Figure 27. Power Supply Rejection Ratio vs. Frequency
04588-
061
T
HD
+
N
(d
B)
TA = 25°C
VDD = 5V
VREF = ±3.5V
100
1k
10k
100k
FREQUENCY (Hz)
–60
–90
–85
–75
–65
–80
–70
Figure 28. THD + Noise vs. Frequency
04588-
062
0
50
fOUT (kHz)
100
0
S
F
DR
(d
B)
40
20
30
40
10
80
60
20
TA = 25°C
VREF = 3.5V
AD8038 AMP
MCLK = 500kHz
MCLK = 1MHz
MCLK = 200kHz
Figure 29. Wideband SFDR vs. fOUT Frequency
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