AD8842AR Analog Devices Inc, AD8842AR Datasheet - Page 5

• Manufacturer Part Number: AD8842AR
• Description: IC DAC 8BIT OCTAL MULT 24-SOIC
• Manufacturer: Analog Devices Inc
• Series: TrimDAC®r

Specifications of AD8842AR

• Rohs Status: RoHS non-compliant
• Settling Time: 2.9µs
• Number Of Bits: 8
• Data Interface: Serial
• Number Of Converters: 8
• Voltage Supply Source: Dual ±
• Power Dissipation (max): 135mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Number Of Channels: 8
• Resolution: 8b
• Conversion Rate: 500KSPS
• Interface Type: Serial (3-Wire)
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): ±5V
• Architecture: R-2R
• Power Supply Requirement: Dual
• Output Type: Voltage
• Integral Nonlinearity Error: ±1LSB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): ±4.75V
• Dual Supply Voltage (max): ±5.25V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 24
• Package Type: SOIC W
• Lead Free Status / Rohs Status: Not Compliant

REV. 0
CLK
L
X
X
X
*Data shifted into the SDI pin appears twelve clocks later at the SDO pin.
L
L
L
H
LD
LAST
LSB
D0
D1
D2
D3
DATA
D4
PR
H
H
L
H
X
MSB
D7
0
0
0
1
1
1
1
D5
Table II. Input Logic Control Truth Table
D6
0
0
1
0
0
1
1
D6
Table I. Serial Input Decode Table
MSB
D5
0
0
1
0
0
1
1
D7
LSB
D4
Input Shift Register Operation
No Operation
Shift One Bit in from SDI (Pin 20), Shift One Bit* Out from SDO (Pin 18)
All DAC Registers = 80
Load Serial Register Data into DAC(X) Register
Serial Data Input Register Loading Disabled
A0
0
0
1
0
0
1
1
ADDRESS
D3
A1
0
0
1
0
0
1
1
D2
A2
0
0
1
0
0
1
1
–5–
FIRST
MSB
MSB
A3
0
0
0
0
0
1
1
1
D1
A3
0
0
1
0
0
1
1
LSB
A2
0
0
0
0
1
0
0
1
D0
0
1
1
0
1
0
1
A1
0
0
1
1
0
0
0
1
–V
(1/128–1) x V
(127/128–1) x V
(128/128–1) x V
(129/128–1) x V
(254/128–1) x V
(255/128–1) x V
DAC OUTPUT VOLTAGE
V
OUT
IN
LSB
A0
H
0
1
0
1
0
0
1
1
= (D/128 –1) x V
NO OPERATION
DAC A
DAC B
DAC C
DAC D
DAC H
NO OPERATION
NO OPERATION
DAC UPDATED
IN
IN
IN
IN
IN
IN
= 0V; (PRESET VALUE)
V
IN
IN
AD8842