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參數(shù)資料
| 型號： | AD768AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 16-Bit, 30 MSPS D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.025 us SETTLING TIME, 16-BIT DAC, PDSO28 |
| 封裝： | 0.300 INCH, SOIC-28 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 334K |
| 代理商： | AD768AR |
REV. B
–4–
AD768
WAFER TEST LIMTS
1
Parameter
AD768ACHIPS Limit
Units
Integral Nonlinearity
2
Differential Nonlinearity
2
Offset Error
Gain Error
Reference Voltage
Positive Supply Current
Negative Supply Current
Power Dissipation
±
8
±
6
±
0.2
±
1.0
±
1.0
40
73
600
LSB max
LSB max
% FSR max
% FSR max
% of nom. 2.5 V max
mA max
mA max
mW max
NOT ES
1
Electrical test are performed at wafer probe to the limits shown. Due to variations in assembly methods and normal
yield loss, yield after packaging is not guaranteed for standard product dice.
2
Limits extrapolated from testing of individual bit errors.
3
Die offers latch control pad. Edge triggered latches become level triggered when latch control and clock pads are high.
4
Die substrate is connected to V
EE.
PIN DE SCRIPT IONS
Pin No.
Symbol
T ype
Name and Function
1
2
3
4
5
6
7
8–14
15
16
17–23
24
25
26
27
28
IOUT A
NR
REFOUT
NC
REFCOM
IREFIN
DB0
DB1–DB7
DCOM
CLOCK
DB8–DB14
DB15
V
DD
V
EE
IOUT B
LADCOM
AO
AI
AO
NC
P
AI
DI
DI
P
DI
DI
DI
P
P
AO
P
DAC Current Output. Full-scale current when all data bits are 1s.
Noise Reduction Node. Add capacitor for noise reduction.
Reference Output Voltage. Nominal value is 2.5 V.
No Connect. Reserved for internal use.
Reference Ground.
Reference Input Current. Nominal is 5 mA. DAC full-scale is 4
×
this current.
Data Bit 0 (LSB).
Data Bits 1–7.
Digital Ground.
Clock Input. Data latched on positive edge of clock.
Data Bits 8–14.
Data Bit 15 (MSB).
Positive Supply Voltage. Nominal is +5 V.
Negative Supply Voltage. Nominal is –5 V.
Complementary DAC Current Output. Full-scale current when all data bits are 0s.
DAC Ladder Common.
T ype: AI = Analog Input; DI = Digital Input; AO = Analog Output; P = Power.
(T
A
= +25
8
C, V
DD
= +5.0 V, V
EE
= –5.0 V, I
REFIN
= 5 mA, unless otherwse noted)
V
DD
V
DD
DB15
DB14 DB13
DB12 DB11
DB10
REFCOM IREFIN
DB0
DB1
DB2
DB3 DB4
V
EE
V
EE
IOUTB
LADCOM
IOUTA
NR
REFOUT
NC
DB9
DB8
CLOCK
LATCH CONTROL
DCOM
DB7
DB6
DB5
Die Size:
0.1106
×
0.1417 inch, 15,672 sq. mils
(2.81
×
3.60 mm, 10.116 sq. mm)
DICE CHARACT E RIST ICS
3, 4
PIN CONFIGURAT ION
14
13
12
11
17
16
15
20
19
18
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
AD768
NC = NO CONNECT
IOUTA
V
DD
(+5V)
DB15 (MSB)
V
EE
(–5V)
IOUTB
LADCOM
NR
REFOUT
NC
DB13
DB14
REFCOM
IREFIN
(LSB) DB0
DB1
DB2
DB3
DB10
DB11
DB12
DB4
DB5
DB6
DB7
DB9
DCOM
CLOCK
DB8
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