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| 型号： | AD7111ABRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC DAC MONO MULTIPLYING 16SOIC |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 产品变化通告： | AD7111A Discontinuation 27/Feb/2012 |
| 标准包装： | 47 |
| 系列： | LOGDAC® |
| 位数： | 17 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 1W |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
| 输出数目和类型： | 1 电流，单极 |
| 采样率（每秒）： | * |
AD7111L/C/U Grades
AD7111K/B/T Grades
Parameter
TA = +25 CTA = TMIN, TMAX
Units
Conditions/Comments
NOMINAL RESOLUTION
0.375
dB
ACCURACY RELATIVE TO
0 dB ATTENUATION
0.375 dB Steps:
Accuracy
≤ ± 0.17 dB
0 to 36
0 to 30
dB min
Guaranteed Attenuation Ranges
Monotonic
0 to 54
0 to 48
dB min
for Specified Step Sizes
0.75 dB Steps:
Accuracy
≤ ± 0.35 dB
0 to 48
0 to 42
0 to 36
dB min
Monotonic
0 to 72
0 to 66
0 to 72
0 to 60
dB min
1.5 dB Steps:
Accuracy
≤ ±0.7 dB
0 to 54
0 to 48
0 to 42
dB min
Full Range Is from 0 dB
Monotonic
Full Range
0 to 78
0 to 85.5
0 to 72
dB min
to 88.5 dB
3.0 dB Steps:
Accuracy
≤ ±1.4 dB
0 to 66
0 to 54
0 to 60
0 to 48
dB min
Monotonic
Full Range
dB min
6.0 dB Steps:
Accuracy
≤ ±2.7 dB
0 to 72
0 to 60
0 to 48
dB min
Monotonic
Full Range
dB min
GAIN ERROR
±0.1
±0.15
± 0.15
± 0.20
dB max
VIN INPUT RESISTANCE
9/11/15
7/11/18
k
min/typ/max
RFB INPUT RESISTANCE
9.3/11.5/15.7 9.3/11.5/15.7
7.3/11.5/18.8 7.3/11.5/18.8
k
min/typ/max
DIGITAL INPUTS
VIH (Input High Voltage)
2.4
V min
VIL (Input Low Voltage)
0.8
V max
Input Leakage Current
±1
±10
± 1
± 10
A max
Digital Inputs = VDD
SWITCHING CHARACTERISTICS
1
tCS
0
ns min
Chip Select to Write Setup Time
tCH
0
ns min
Chip Select to Write Hold Time
tWR
350
500
350
500
ns min
Write Pulse Width
tDS
175
250
175
250
ns min
Data Valid to Write Setup Time
tDH
10
ns min
Data Valid to Write Hold Time
tRFSH
3
4.5
3
4.5
s min
Refresh Time
POWER SUPPLY
VDD
+5
V
IDD
1
4
1
4
mA max
Digital Inputs = VIL or VIH
500
1000
500
1000
A max
Digital Inputs = 0 V or VDD;
See Figure 6
NOTE
1Sample tested at +25
°C to ensure compliance.
Specifications subject to change without notice.
AD7111–ELECTRICAL CHARACTERISTICS
REV. 0
–2–
AD7111/AD7111A–SPECIFICATIONS
(VDD = +5 V, VIN = –10 V dc, IOUT = AGND = DGND = O V output amplifier
AD711 except where noted)
AC PERFORMANCE CHARACTERISTICS These characteristics are included for design guidance only and are not subject
to test. VDD = +5 V, VIN = –10 V dc except where noted, IOUT = AGND = DGND = O V, output amplifier AD711 except where noted.
AD7111L/C/U Grades
AD7111K/B/T Grades
Parameter
TA = +25 CTA = TMIN, TMAX
TA = +25 CTA = TMIN, TMAX Units
Conditions/Comments
DC Supply Rejection,
Gain/V
DD
0.001
0.005
0.001
0.005
dB per % max
V
DD = ± 10%, Input Code = 00000000
Propagation Delay
3.0
4.5
3.0
4.5
s max
Full-Scale Change Measured from
WR
Going High, CS = 0 V
Digital-to-Analog Glitch Impulse
100
nV secs typ
Measured with AD843 as Output
Amplifier for Code Transition
10000000 to 00000000
C1 of Figure 1 is 0 pF
Output Capacitance, Pin 1
185
pF max
Input Capacitance, Pin 15 and Pin 16
7
pF max
Feedthrough at 1 kHz
–94
–72
–94
–68
dB max
Total Harmonic Distortion
–91
dB typ
VIN = 6 V rms at 1 kHz
Output Noise Voltage Density
70
nV/
√Hz max
Includes AD711 Amplifier Noise
Digital Input Capacitance
7
pF max
Specifications subject to change without notice.
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