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參數(shù)資料
| 型號(hào)： | AD7111LN |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 0K |
| 描述： | IC DAC LOGARITHMIC 16-DIP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 產(chǎn)品變化通告： | Product Discontinuance 27/Oct/2011 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | LOGDAC® |
| 位數(shù)： | 17 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 1W |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-PDIP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 1 電流，單極 |
| 采樣率（每秒）： | * |
AD7111/AD7111A
REV. 0
–3–
AD7111A–ELECTRICAL CHARACTERISTICS
AD7111AC Grade
AD7111AB Grade
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 High 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
57
ns min
Write Pulse Width
tDS
25
ns min
Data Valid to Write Setup Time
tDH
10
ns min
Data Valid to Write Hold Time
POWER SUPPLY
VDD
+5
V
Digital Inputs = VIL or VIH
IDD
1
2
1
2
mA max
CS
= WR = 0 V
1
mA 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.
(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.
AD7111AC Grade
AD7111AB Grade
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
1
1.5
1
1.5
s max
Full-Scale Change Measured from
WR
Going High, CS = 0 V
Digital-to-Analog Glitch Impulse
10
20
10
20
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
50
pF max
Input Capacitance, Pin 15 and Pin 16
7
pF max
Feedthrough at 1 kHz
–94
–90
–92
–90
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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