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參數(shù)資料
| 型號(hào)： | SP7545KIN |
| 廠商： | SPECTRUM CONTROL INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 2 us SETTLING TIME, 12-BIT DAC, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-20 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 124K |
| 代理商： | SP7545KIN |
SP7545
12–Bit, Buffered Multiplying DAC
Copyright 2000 Sipex Corporation
4
SP7545
I01
AGND
GND
D0 (MSB)
D1
D2
D3
D4
D5
D6
RFB
VREF
VDD
WR
CS
D11 (LSB)
D10
D9
D8
D7
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
AGND
I O1
R
FB
V
REF
SP7545
D11 (MSB)
D10
D9
D8
D7
VDD
WR
CS
D0 (LSB)
D1
D
6
D
5
D
4
D
3
D
2
18
17
16
15
14
9
10
11
12
13
3
2
1
20
19
4
5
6
7
8
PINOUT – PLASTIC DIP
PINOUT – PLASTIC LCC
FEATURES…
The SP7545 is a low–cost, high stability 12–bit
CMOS multiplying DAC with on–board data
latches. The level–triggered latch accepts a single
12–bit wide data word under control of both
CHIP SELECT (CS) and WRITE (WR) control
line inputs. Tying both of these control lines low
makes the input latch transparent, allowing di-
rect, unbuffered operation of the DACs. The
SP7545 is ideally suited for applications requir-
ing stability over time and temperature, such as
digital gain blocks, attenuation control, robot-
ics, modems, medical and process instrumenta-
tion. Because of its low power dissipation, it is
also suited for battery–powered equipment.
The SP7545 is constructed using a proprietary
low–TCR thin–film process that requires no
laser–trimming to achieve 12–bit performance.
With no laser–trimming, inherent high stability,
and a segmented (decoded) DAC architecture,
the SP7545 retains its performance over time
and temperature. To further improve reliability,
the DAC features 2KV ESD protection on all
digital inputs. Each DAC is fully characterized
by all–codes testing to eliminate any hidden
errors.
The SP7545 is available for use in commercial
and industrial temperature ranges. It operates
with power supply voltages from +5V to +15V.
It is available in 20–pin plastic DIP and PLCC
packages.
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