AD7888ARZ Analog Devices Inc, AD7888ARZ Datasheet - Page 2
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AD7888ARZ
Manufacturer Part Number
AD7888ARZ
Description
IC ADC 12BIT 8CH SRL 16-SOIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD7888ARZ.pdf
(17 pages)
Specifications of AD7888ARZ
Data Interface
DSP, MICROWIRE™, QSPI™, Serial, SPI™
Number Of Bits
12
Sampling Rate (per Second)
125k
Number Of Converters
1
Power Dissipation (max)
3.5mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.154", 3.90mm Width)
Resolution (bits)
12bit
Sampling Rate
125kSPS
Input Channel Type
Single Ended
Supply Voltage Range - Analog
2.7V To 5.25V
Supply Current
700µA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD7888ARZ
Manufacturer:
ADI
Quantity:
1 000
Part Number:
AD7888ARZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD7888ARZ-REEL7
Manufacturer:
ADI
Quantity:
1 000
AD7888–SPECIFICATIONS
otherwise noted; f
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
Signal to Noise + Distortion Ratio
Total Harmonic Distortion
Peak Harmonic or Spurious Noise
Intermodulation Distortion
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Input Voltage Ranges
Leakage Current
Input Capacitance
REFIN Input Voltage Range
Input Impedance
REFOUT Output Voltage
REFOUT Tempco
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Throughput Time
Track/Hold Acquisition Time
Conversion Time
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
2
IN
SCLK
2
2
2
= 2 MHz (V
IN
INL
INH
4
OL
OH
2
2
2
(THD)
(IMD)
2
2
2, 3
DD
2
5
= 2.7 V to 5.25 V); T
(SNR) 71
12
A Version
–80
–80
–78
–78
–80
2.5
± 2
± 2
± 6
± 4.5
2
± 2
3
0 to V
± 1
38
4
2.5/V
5
2.45/2.55
± 50
2.4
2.1
0.8
± 10
10
V
0.4
± 10
10
16
1.5
14.5
Straight (Natural) Binary
DD
– 0.5
DD
REF
1
A
= T
B Version
71
–80
–80
–78
–78
–80
2.5
12
± 1
–1/+1.5
± 6
± 4.5
2
± 2
3
0 to V
± 1
38
4
2.5/V
5
2.45/2.55
± 50
2.4
2.1
0.8
± 10
10
V
0.4
± 10
10
16
1.5
14.5
(V
DD
DD
MIN
– 0.5
= 2.7 V to 5.25 V, REFIN/REFOUT = 2.5 V External/Internal Reference unless
DD
REF
to T
1
MAX
, unless otherwise noted.)
Unit
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB max
Volts
µA max
pF typ
pF typ
V min/max
kΩ typ
V min/max
ppm/°C typ
V min
V min
V max
µA max
pF max
V min
V max
µA max
pF max
SCLK Cycles
SCLK Cycles
SCLK Cycles
Test Condition/Comment
f
f
f
fa = 9.983 kHz, fb = 10.05 kHz, f
fa = 9.983 kHz, fb = 10.05 kHz, f
f
@ 3 dB
Any Channel
Guaranteed No Missed Codes to 11 Bits (A Grade)
Guaranteed No Missed Codes to 12 Bits (B Grade)
V
V
Typically 30 LSB with Internal Reference
When in Track
When in Hold
Functional from 1.2 V
Very High Impedance If Internal Reference Disabled
V
V
V
Typically 10 nA, V
I
V
I
Conversion Time + Acquisition Time. 125 kSPS with
2 MHz Clock
7.25 µs (2 MHz Clock)
IN
IN
IN
IN
SOURCE
SINK
DD
DD
DD
DD
DD
DD
= 10 kHz Sine Wave, f
= 10 kHz Sine Wave, f
= 10 kHz Sine Wave, f
= 25 kHz
= 4.75 V to 5.25 V (Typically ± 3 LSB)
= 2.7 V to 3.6 V (Typically ± 2 LSB)
= 4.75 V to 5.25 V
= 2.7 V to 3.6 V
= 2.7 V to 5.25 V
= 2.7 V to 5.25 V
= 200 µA
= 200 µA
IN
= 0 V or V
SAMPLE
SAMPLE
SAMPLE
DD
= 125 kSPS
= 125 kSPS
= 125 kSPS
SAMPLE
SAMPLE
= 125 kSPS
= 125 kSPS
REV. C