cxa1875ap Sony Electronics, cxa1875ap Datasheet

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cxa1875ap

Manufacturer Part Number
cxa1875ap
Description
8-bit D/a Converter Compatible With I2c Bus
Manufacturer
Sony Electronics
Datasheet
Description
Features
• Serial control through I
• 4 built-in general purpose I/O ports (Digital I/O)
• I/O can be specified to respective ports
• Selection of 8 slave addresses possible through
Applications
Structure
The CXA1875AP/AM is developed as a 8-bit 5 ch
D/A converter compatible with I
independently
address select pins (3 pins)
I
I
Bipolar silicon monolithic IC
2
2
C bus can control ICs that do not correspond to
C bus by connecting the DC control pins of them.
8-bit D/A Converter Compatible with I
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
2
C bus
2
C bus.
CXA1875AP/AM
—1—
Absolute Maximum Ratings (Ta=25°C)
• Supply voltage
• Operating temperature Topr
• Storage temperature
• Allowable power dissipation
Operating Conditions
• Supply voltage
• Operating temperature Topr
16 pin DIP (Plastic)
2
C Bus
V
Tstg
P
V
CC
D
CC
16 pin SOP (Plastic)
–65 to +150
–20 to +75
–20 to +75
5±0.5
960
7
E94X27-TE
mW
°C
°C
°C
V
V

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cxa1875ap Summary of contents

Page 1

... D/A Converter Compatible with I Description The CXA1875AP/AM is developed as a 8-bit 5 ch D/A converter compatible with I C bus. 2 Features • Serial control through I C bus 2 • 4 built-in general purpose I/O ports (Digital I/O) • I/O can be specified to respective ports independently • Selection of 8 slave addresses possible through ...

Page 2

... SAD2 SAD1 SAD0 Level LATCH Conversion Decoder LATCH LATCH LATCH DAC DAC DAC AMP AMP AMP DAC4 DAC3 DAC2 —2— CXA1875AP/AM SW I/O SW3 SW2 DAC0 GND SW0-3 Open collector Level Conversion LATCH LATCH DAC DAC AMP AMP DAC1 ...

Page 3

... V(DAC0 to 4=191)–V(DAC0 to 4=63) n=0 to 127 1 DAC 0 to 4=0 1 DAC 0 to 4=255 Current that can be flowed from Pins V(–1 mA) –V(1 mA) 2 DAC 0 to 4=127 —3— CXA1875AP/AM Description max: 1 min max: 0 bus max: 1 min Min ...

Page 4

... SCL t BUF t HD:STA t LOW t HIGH t SU:STA t HD:DAT t SU:DAT SU:STO —4— CXA1875AP/AM Min. Typ. Max. Unit — — 1.5 V 3.0 — — V –10 0 +10 µA –10 0 +10 µA 0 0.2 0.4 V Min. Typ. Max. Unit 3.0 — 5 — 1.5 V — ...

Page 5

... HD:DAT SU:DAT Test circuit 2 5V +5V 0.022µ A 10µ 100p Test circuit 4 A +5V 0.022µ 10µ —5— CXA1875AP/AM t HD:STA t SU:STO t SU:STA BUS 100p 100p ...

Page 6

... SAD pin BIT7 BIT6 BIT5 BIT4 REF DAC0 (8) DAC1 (8) DAC2 (8) DAC3 (8) DAC4 (8) BIT7 BIT6 BIT5 BIT4 —6— CXA1875AP/AM 0: SLAVE RECEIVER 1: SLAVE TRANSMITTER 0: "LOW" 1: "HIGH" BIT3 BIT2 BIT1 BIT0 SW3 SW2 SW1 SW0 BIT3 BIT2 BIT1 BIT0 ST3 ST2 ...

Page 7

... C bus. SDA (Serial DAta) and SCL (Serial Clock). 2 SDA is double-way. • As SDA is double-way it has 3 state outputs and HIZ HIZ • transfer begins with Start Condition and ends with Stop Condition. 2 Start Condition S SDA SCL CC L —7— CXA1875AP/AM Stop Condition P ...

Page 8

... At H during read HIZ ACK LSB DATA —8— CXA1875AP/AM MSB LSB HIZ HIZ ACK Sub Address ACK The number of data that can be transferred at a time is confined to units of 8-bit that can be set as required. Sub Address is incremented automatically ...

Page 9

... I C BUS 10k CXA1875AP/ D/A converter output Slave address for 4 CH and 4 DH —9— CXA1875AP/AM 10k General purpose output port ...

Page 10

... M PACKAGE STRUCTURE PACKAGE MATERIAL EPOXY RESIN SOP-16P-L01 LEAD TREATMENT SOLDER PLATING SOP016-P-0300 LEAD MATERIAL COPPER ALLOY 0.2g PACKAGE MASS 2 C Patent Rights to use these components Standard Specifications as defined by Philips. —10— CXA1875AP/AM 0° to 15° + 0.4 1.85 – 0.15 0.15 + 0.2 0.1 – 0. ...

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