AD7986BCPZ Analog Devices Inc, AD7986BCPZ Datasheet - Page 4

• Manufacturer Part Number: AD7986BCPZ
• Description: IC ADC 18BIT 2MSPS SAR 20LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD7986BCPZ

• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 18
• Sampling Rate (per Second): 2M
• Number Of Converters: 1
• Power Dissipation (max): 34mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN, CSP Exposed Pad
• Resolution (bits): 18bit
• Sampling Rate: 2MSPS
• Input Channel Type: Differential
• Supply Voltage Range - Analog: 2.375V To 2.625V
• Digital Ic Case Style: CSP
• No. Of Pins: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7986
AVDD = DVDD = 2.5 V, BVDD = 5 V, VIO = 1.8 V to 2.7 V, V
Table 3.
Parameter
INTERNAL REFERENCE
EXTERNAL REFERENCE
REFERENCE BUFFER
DIGITAL INPUTS
DIGITAL OUTPUTS
POWER SUPPLIES
TEMPERATURE RANGE
1
2
3
With all digital inputs forced to VIO or GND as required.
During acquisition phase.
Contact an Analog Devices, Inc., sales representative for the extended temperature range.
Output Voltage
Temperature Drift
Line Regulation
Turn-On Settling Time
REFIN Output Voltage
REFIN Output Resistance
Voltage Range
Current Drain
REFIN Input Voltage Range
REFIN Input Current
Logic Levels
Data Format
Pipeline Delay
V
V
AVDD, DVDD
BVDD
VIO
VIO Range
Standby Current
Power Dissipation
Specified Performance
With Internal Reference
Without Internal Reference
With Internal Reference
Without Internal Reference
OL
OH
V
V
I
I
IL
IH
IL
IH
1, 2
3
Conditions
PDREF = low
T
−40°C to +85°C
AVDD = 2.5 V ± 5%
C
REFIN @ 25°C
PDREF = high, REFIN = low
2 MSPS, V
I
I
Specified performance
AVDD = DVDD = VIO = 2.5 V, BVDD = 5.0 V
2 MSPS throughput
2 MSPS throughput
1.5 MSPS throughput
1.5 MSPS throughput
T
SINK
SOURCE
A
MIN
REF
= 25°C
= +500 µA
= 10 μF, C
to T
= −500 µA
MAX
REF
= 5.0 V
REFBUFIN
= 0.1 μF
Rev. B | Page 4 of 28
REF
= 4.096 V, T
A
= −40°C to +85°C, unless otherwise noted.
Min
2.4
−0.3
+0.9 × VIO
−1
−1
VIO − 0.3
2.375
4.75
1.8
−40
4.081
Conversion results available immediately
Serial, 18 bits, twos complement
after completed conversion
Typ
4.096
±10
±50
220
1.2
7.5
500
1.2
160
2.5
5.0
2.5
2.25
29
15
26
11.5
Max
4.111
5.1
+0.1 × VIO
VIO + 0.3
+1
+1
0.4
2.625
5.25
2.7
34
16.5
30
13
+85
Unit
V
ms
V
kΩ
V
µA
V
µA
V
V
V
V
V
V
V
ppm/°C
ppm/V
µA
µA
µA
mW
mW
mW
mW
°C