參數(shù)資料
型號(hào)： AD9767
廠商： Analog Devices, Inc.
英文描述： 14-Bit, 125 MSPS Dual TxDAC+ D/A Converter
中文描述： 14位，125 MSPS的TxDAC系列雙D / A轉(zhuǎn)換
文件頁數(shù)： 2/27頁
文件大小： 469K
代理商： AD9767
REV. B
–2–
AD9767–SPECIFICATIONS
DC SPECIFICATIONS
(T
MIN
to T
MAX
, AVDD = +5 V, DVDD = +5 V, I
OUTFS
= 20 mA, unless otherwise noted.)
Parameter
Min
Typ
Max
Units
RESOLUTION
DC ACCURACY
1
Integral Linearity Error (INL)
T
A
= +25
°
C
T
MIN
to T
MAX
Differential Nonlinearity (DNL)
T
A
= +25
°
C
T
MIN
to T
MAX
ANALOG OUTPUT
Offset Error
Gain Error (Without Internal Reference)
Gain Error (With Internal Reference)
Gain Match
14
Bits
–3.5
–4.0
±
1.5
+3.5
+4.0
LSB
LSB
–2.5
–3.0
±
1.0
+2.5
+3.0
LSB
LSB
–0.02
–2
–5
–1.6
–0.14
2.0
–1.0
+0.02
+2
+5
+1.6
+0.14
20.0
+1.25
% of FSR
% of FSR
% of FSR
% of FSR
dB
mA
V
k
pF
±
0.25
±
1
0.1
Full-Scale Output Current
2
Output Compliance Range
Output Resistance
Output Capacitance
100
5
REFERENCE OUTPUT
Reference Voltage
Reference Output Current
3
1.14
1.20
100
1.26
V
nA
REFERENCE INPUT
Input Compliance Range
Reference Input Resistance
Small Signal Bandwidth
0.1
1.25
V
M
MHz
1
0.5
TEMPERATURE COEFFICIENTS
Offset Drift
Gain Drift (Without Internal Reference)
Gain Drift (With Internal Reference)
Reference Voltage Drift
0
±
50
±
100
±
50
ppm of FSR/
°
C
ppm of FSR/
°
C
ppm of FSR/
°
C
ppm/
°
C
POWER SUPPLY
Supply Voltages
AVDD
DVDD
Analog Supply Current (I
AVDD
)
Digital Supply Current (I
DVDD
)
4
Digital Supply Current (I
DVDD
)
5
Supply Current Sleep Mode (I
AVDD
)
Power Dissipation
4
(5 V, I
OUTFS
= 20 mA)
Power Dissipation
5
(5 V, I
OUTFS
= 20 mA)
Power Dissipation
6
(5 V, I
OUTFS
= 20 mA)
Power Supply Rejection Ratio
7
—AVDD
Power Supply Rejection Ratio
7
—DVDD
3
2.7
5
5
71
5
5.5
5.5
75
7
15
12
410
450
V
V
mA
mA
mA
mA
mW
mW
mW
% of FSR/V
% of FSR/V
°
C
8
380
420
450
–0.4
–0.025
+0.4
+0.025
OPERATING RANGE
–40
+85
NOTES
1
Measured at I
OUTA
, driving a virtual ground.
2
Nominal full-scale current, I
OUTFS
, is 32 times the I
REF
current.
3
An external buffer amplifier with input bias current <100 nA should be used to drive any external load.
4
Measured at f
CLOCK
= 25 MSPS and f
OUT
= 1.0 MHz.
5
Measured at f
CLOCK
= 100 MSPS and f
OUT
= 1 MHz.
6
Measured as unbuffered voltage output with I
OUTFS
= 20 mA and 50
R
LOAD
at I
OUTA
and I
OUTB
, f
CLOCK
= 100 MSPS and f
OUT
= 40 MHz.
7
±
10% Power supply variation.
Specifications subject to change without notice.
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