- 您現在的位置：買賣IC網 > PDF目錄373919 > AD7841AS (ANALOG DEVICES INC) Octal 14-Bit, Parallel Input, Voltage-Output DAC PDF資料下載
參數資料
| 型號： | AD7841AS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Octal 14-Bit, Parallel Input, Voltage-Output DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 31 us SETTLING TIME, 14-BIT DAC, PQFP44 |
| 封裝： | PLASTIC, MQFP-44 |
| 文件頁數： | 2/12頁 |
| 文件大小： | 151K |
| 代理商： | AD7841AS |
–2–
REV. 0
AD7841–SPECIFICATIONS
(V
CC
= +5 V
6
5%; V
DD
= +15 V
6
10%; V
SS
= –15 V
6
10%; GND = DUTGND =
0 V; R
L
= 5 k
V
and C
L
= 50 pF to GND, T
A1
= T
MIN
to T
MAX
, unless otherwise noted)
Parameter
A
B
Units
Test Conditions/Comments
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
14
±
4
–0.9/2
14
±
2
±
1
Bits
LSB max
LSB max
Guaranteed Monotonic Over Temperature for All
Grades
V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within
±
2 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within
±
2 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V
Zero-Scale Error
±
8
±
8
LSB max
Full-Scale Error
±
8
±
8
LSB max
Gain Error
Gain Temperature Coefficient
2
±
2
0.5
10
120
±
2
0.5
10
120
LSB typ
ppm FSR/
°
C typ
ppm FSR/
°
C max
μ
V max
DC Crosstalk
2
See Terminology. Typically 75
μ
V
REFERENCE INPUTS
2
DC Input Impedance
Input Current
V
REF
(+) Range
V
REF
(–) Range
[V
REF
(+) – V
REF
(–)]
100
±
1
0/+5
–5/0
+2/+10
100
±
1
0/+5
–5/0
+2/+10
M
typ
μ
A max
V min/max
V min/max
V min/max
Per Input. Typically
±
0.03
μ
A
For Specified Performance. Can Go as Low as 0 V,
but Performance Not Guaranteed
DUTGND INPUTS
2
DC Input Impedance
Max Input Current
Input Range
3
60
±
0.3
–2/+2
60
±
0.3
–2/+2
k
typ
mA typ
V min/max
Per Input
OUTPUT CHARACTERISTICS
2
Output Voltage Swing
V
SS
+ 2.5 V to
V
DD
– 2.5 V
15
5
50
0.5
V
SS
+ 2.5 V to
V
DD
– 2.5 V
15
5
50
0.5
V typ
V
OUT
= 2
×
(V
REF
(–) + [V
REF
(+) – V
REF
(–)]
×
D)
– V
DUTGND
Short Circuit Current
Resistive Load
Capacitive Load
DC Output Impedance
mA max
k
min
pF max
max
To 0 V
To 0 V
DIGITAL INPUTS
2
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
INH
, Input Current
@ +25
°
C
T
MIN
to T
MAX
C
IN
, Input Capacitance
2.4
0.8
2.4
0.8
V min
V max
Total for All Pins
±
1
±
10
10
±
1
±
10
10
μ
A max
μ
A max
pF max
POWER REQUIREMENTS
4
V
CC
V
DD
V
SS
Power Supply Sensitivity
2
Full Scale/
V
DD
Full Scale/
V
SS
I
CC
I
DD
I
SS
+4.75/+5.25
+15 V
±
10%
–15 V
±
10%
+4.75/+5.25
+15 V
±
10%
–15 V
±
10%
V min/max
V min/max
V min/max
For Specified Performance
For Specified Performance
For Specified Performance
90
90
0.5
10
10
90
90
0.5
10
10
dB typ
dB typ
mA max
mA max
mA max
V
INH
= V
CC
, V
INL
= GND. Dynamic Current
Outputs Unloaded. Typically 8 mA
Outputs Unloaded. Typically 8 mA
NOTES
1
Temperature range for A and B Versions: –40
°
C to +85
°
C.
2
Guaranteed by characterization. Not production tested.
3
See DUTGND Voltage Range section.
4
The AD7841 is functional with power supplies of
±
12 V
±
10% with reduced output range. Output amplifier requires 2.5 V of head room at the bottom and top ends
of the transfer for function. At 12 V supplies it is recommended to restrict the reference range to
±
4 V.
Specifications subject to change without notice.
相關PDF資料 |
PDF描述 |
|---|---|
| AD7841BS | Octal 14-Bit, Parallel Input, Voltage-Output DAC |
| AD7843ARU-REEL | Touch Screen Digitizer |
| AD7843 | Touch Screen Digitizer |
| AD7843ARQ | Touch Screen Digitizer |
| AD7843ARU | Touch Screen Digitizer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7841AS-REEL | 制造商:Analog Devices 功能描述:DAC 8-CH R-2R 14-bit 44-Pin MQFP T/R |
| AD7841ASZ | 功能描述:IC DAC 14BIT OCTAL V-OUT 44MQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:1 系列:- 設置時間:4.5µs 位數:12 數據接口:串行，SPI? 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD7841ASZ-REEL | 功能描述:IC DAC 14BIT OCTAL VOUT 44-MQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 設置時間:1µs 位數:8 數據接口:串行 轉換器數目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD7841BS | 制造商:Analog Devices 功能描述:DAC 8-CH R-2R 14-bit 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:OCTAL 14 BIT HIGH VOLTAGE IC - Bulk 制造商:Analog Devices 功能描述:Digital-Analog Converter IC Interface Ty |
| AD7841BS-REEL | 制造商:Analog Devices 功能描述:DAC 8-CH R-2R 14-bit 44-Pin MQFP T/R 制造商:Analog Devices 功能描述:DAC 8CH R-2R 14BIT 44MQFP - Tape and Reel |
發布緊急采購，3分鐘左右您將得到回復。