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參數(shù)資料
| 型號： | AD7564 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | +3.3 V/+5 V, Low Power, Quad 12-Bit DAC(LC2MOS低功耗四通道12位D/A轉換器) |
| 中文描述： | 3.3伏/ 5伏，低功耗，四路12位DAC（LC2MOS低功耗四通道12位的D / A轉換器） |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 404K |
| 代理商： | AD7564 |
REV. A
AD7564
–4–
Parameter
A Grade
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
3.5
μ
s typ
To 0.01% of Full-Scale Range. V
REF
= 0 V. DAC Latch Alter-
nately Loaded with all 0s and all 1s.
Measured with V
IOUT2
= 0 V and V
REF
= 0 V. DAC Register Alter-
nately Loaded with all 0s and all 1s.
DAC Latch Loaded with all 0s.
All 1s Loaded to DAC
All 0s Loaded to DAC
Feedthrough to Any DAC Output with FSIN HIGH and a Square
Wave Applied to SDIN and CLKIN
Digital to Analog Glitch Impulse
35
nV-s typ
Multiplying Feedthrough Error
Output Capacitance
–70
100
40
5
dB max
pF max
pF max
nV-s typ
Digital Feedthrough
Total Harmonic Distortion
Output Noise Spectral Density
@ 1 kHz
–76
dB typ
20
nV/
√
Hz
typ
All 1s Loaded to DAC. V
IOUT2
= 0 V; V
REF
= 0 V
(V
DD
= +3 V to +5.5 V; V
IOUT1
= V
IOUT2
= 1.23 V; AGND = 0 V. V
REF
= 1 kHz, 2.45 V p-p, sine wave biased at 1.23 V; DAC
output op amp is AD820; T
A
= T
MIN
to T
MAX
, unless otherwise noted. These characteristics are included for Design
Guidance and are not subject to test.)
Biased Mode
AC Performance Characteristics
Parameter
B Grade
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
550
ns typ
To 0.01% of Full-Scale Range. DAC Latch Alternately Loaded
with All 0s and All 1s
Measured with V
REF
= 0 V. DAC Register Alternately Loaded
with All 0s and All 1s
V
REF
= 20 V p-p, 10 kHz Sine Wave. DAC Latch Loaded
with All 0s
All 1s Loaded to DAC
All 0s Loaded to DAC
Feedthrough from Any One Reference to the Others with
20 V p-p, 10 kHz Sine Wave Applied
Effect of All 0s to All 1s Code Transition on Nonselected DACs
Feedthrough to Any DAC Output with
FSIN
High and Square
Wave Applied to SDIN and SCLK
V
REF
= 6 V rms, 1 kHz Sine Wave
Digital-to-Analog Glitch Impulse
35
nV-s typ
Multiplying Feedthrough Error
–70
dB max
Output Capacitance
60
30
–76
pF max
pF max
dB typ
Channel-to-Channel Isolation
Digital Crosstalk
Digital Feedthrough
5
5
nV-s typ
nV-s typ
Total Harmonic Distortion
Output Noise Spectral Density
@ 1 kHz
–83
dB typ
30
nV/
√
Hz
typ
All 1s Loaded to the DAC. V
REF
= 0 V. Output Op Amp Is
ADOP07
Normal Mode
(V
DD
= +4.75 V to +5.25 V; V
IOUT1
= V
IOUT2
= AGND = 0 V. V
REF
= 6 V rms, 1 kHz sine wave; DAC output op amp is
AD843; T
A
= T
MIN
to T
MAX
, unless otherwise noted. These characteristics are included for Design Guidance and are
not subject to test.)
AC Performance Characteristics
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