AD7866ARUZ Analog Devices Inc, AD7866ARUZ Datasheet - Page 13

• Manufacturer Part Number: AD7866ARUZ
• Description: IC ADC 12BIT 2CH DUAL 20-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7866ARUZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 12
• Sampling Rate (per Second): 1M
• Number Of Converters: 2
• Power Dissipation (max): 24mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 12bit
• Input Channel Type: Single Ended
• Supply Voltage Range - Analogue: 2.7V To 5.25V
• Supply Voltage Range - Digital: 2.7V To 5.25V
• Supply: RoHS Compliant
• Sampling Rate: 1MSPS
• Rohs Compliant: Yes
• Number Of Elements: 2
• Resolution: 12Bit
• Architecture: SAR
• Sample Rate: 1MSPS
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: 2.5/5V
• Differential Input: No
• Power Supply Requirement: Analog and Digital
• Single Supply Voltage (typ): 3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 24mW
• Differential Linearity Error: -0.95LSB/1.25LSB
• Integral Nonlinearity Error: ±1.5LSB
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: TSSOP
• Input Signal Type: Single-Ended
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7866CBZ - BOARD EVALUATION AD7866
• Lead Free Status / Rohs Status: Compliant

REV. A
Figure 10. Straight Binary Transfer
Characteristic with 0 V to V
111...111
111...110
111...000
011...111
000...010
000...001
000...000
Figure 7. Selecting V
Figure 8. Selecting 0 V to 2
0V
RANGE
RANGE
D
D
D
D
SCLK
SCLK
OUT
OUT
OUT
OUT
1LSB
CS
CS
0V
A
B
A
B
V
ANALOG INPUT
REF
1LSB = V
Figure 9. Handling Bipolar Signals with the AD7866
R1 = R2 = R3 = R4
A
A
Input Range
V
REF
V
REF
1
1
REF
/2 ± V
– 1LSB
/4096
R3
R2
REF
R4
100nF
B
B
R1
/2 Input Range with Twos Complement Output Coding
V
8
8
REF
Input Range with Straight Binary Output Coding
470nF
V
REF
470nF
–13–
16
16
D
D
V
V
–V
+V
CAP
CAP
REF
IN
V
REF SELECT
REF
REF
AD7866
REF
B
A
V
0V TO 2
INPUT RANGE
INPUT RANGE
REF
Figure 11. Twos Complement Transfer
Characteristic with V
(= 0V)
V
(= 2
/2
DRIVE
D
OUT
V
REF
V
V
REF
REF
COMPLEMENT
/2
011...111
011...110
000...001
000...000
111...111
100...010
100...001
100...000
)
TWOS
1
1
TWOS COMPLEMENT
–V
STRAIGHT BINARY
REF
011
000
100
+ 1LSB
1LSB = 2
111
000
000
V
REF
REF
DSP/ P
ANALOG INPUT
V
V
DD
DD
– 1LSB
± V
V
16
16
REF
REF
/4096
+V
REF
Input Range
– 1LSB
AD7866