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參數資料
| 型號： | MC144112D |
| 廠商： | MOTOROLA INC |
| 元件分類： | DAC |
| 英文描述： | Quad Six-Bit Digital-to-Analog Converter |
| 中文描述： | QUAD, SERIAL INPUT LOADING, 6-BIT DAC, PDSO14 |
| 封裝： | SOG-14 |
| 文件頁數： | 1/6頁 |
| 文件大?。?/td> | 83K |
| 代理商： | MC144112D |
MC144112
MOTOROLA
1
Advance Information
CMOS
The MC144112 contains four independent DACs which are controlled
through a common serial data port. When all DACs are utilized, there are 24 bits
in the serial data stream. However, if not all DACs are utilized, the bit stream
length may be reduced by up to six bits per unused DAC.
For new designs, the MC144112 is preferred over the MC144110 and
MC144111. The newer MC144112 offers a wider operating temperature range,
lower operating supply voltage, and lower supply current.
Operating Supply Voltage Range: 2.7 to 5.5 V
*
Maximum Supply Current (per Package) —
All DAC Outputs = Zero: 1.25 mA @ 2.7 V
2.1 mA @ 4.5 V
All DAC Outputs = Full Scale: 30
μ
A @ 5.5 V
Integral Nonlinearity: – 1
1/4
to
1/4
LSB
Operating Temperature Range: – 40 to 85
°
C
Direct R–2R Network Outputs
Direct Interface to Motorola SPI Serial Data Port
Digital Data Output Permits Cascading
BLOCK DIAGRAM
Din
CLK
ENB
D
C Q
**
CLOCK
DATA
24–BIT SHIFT REGISTER
R
R
R
R
R
2R
2R
2R
2R
2R
2R
VDD
2R
LOAD
R4 OUT
R–2R DETAIL
6
8
1
Dout
13
6
6
6
6
6
6
6
6
6
6
6
6
3
5
10
12
R1 OUT
R2 OUT
R3 OUT
R4 OUT
LATCHES
INVERTING BUFFERS
R–2R LADDER NETWORKS
*This product is being evaluated for operation at supply voltages less than 2.7 V. Contact your Motorola representative for further information.
**Transparent Latch
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Order this document
by MC144112/D
SEMICONDUCTOR TECHNICAL DATA
ORDERING INFORMATION
D SUFFIX
SOG PACKAGE
CASE 751A
MC144112D
SOG Package
14
1
PIN ASSIGNMENT
11
12
13
14
8
9
10
5
4
3
2
1
7
6
NC
R4 Out
Dout
VDD
CLK
NC
R3 Out
R2 Out
R1 Out
NC
Din
VSS
ENB
NC
NC = NO CONNECTION
Plastic DIP availability
dependent on market demand.
REV 3
2/98 TN98030200
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