AD7861AP Analog Devices Inc, AD7861AP Datasheet - Page 2

• Manufacturer Part Number: AD7861AP
• Description: IC ADC 11BIT 4CH 44-PLCC
• Manufacturer: Analog Devices Inc

Specifications of AD7861AP

• Rohs Status: RoHS non-compliant
• Number Of Bits: 11
• Sampling Rate (per Second): 28.6k
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 50mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC

AD7861–SPECIFICATIONS
Parameter
DC ACCURACY
DYNAMIC PERFORMANCE
SAMPLE-AND-HOLD
LOGIC
CONVERSION RATE
CONVST
ANALOG INPUTS
SYSTEM CLOCK
POWER REQUIREMENTS
REFERENCE
Resolution
Relative Accuracy
Differential Nonlinearity
Bias Offset Error
Bias Offset Error Match
Full-Scale Error
Full-Scale Error Match
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Channel-to-Channel Isolation
Input Voltage Range (REF IN)
Input Current
Onboard Reference Output (REF OUT)
Reference Tolerance
Reference Drive Capability
Acquisition Time
Aperture Delay Time
Aperture Delay Time Match
Droop Rate
Input High Voltage (V
Input Low Voltage (V
Input Leakage Current
Input Capacitance
Three-State Leakage Current
Conversion Time/Channel
Pulsewidth
Nominal Input Level
Input Current
Input Capacitance
V
I
DD
DD
M1 = 0
M1 = 1
(V
(V
OH
OL
)
)
IL
IH
)
)
AD7861AP
11
± 2
± 2.5
± 9
4
± 13
4
60
–60
–60
–58
–53
2.5
50
2.5
± 5
± 100
1.6
200
20
5
2
0.8
1
20
4.5
0.4
1
40
2
0–5
100
10
6.25–12.5
5
10
(V
otherwise noted)
DD
= 5 V
Units
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
dB min
dB max
dB max
dB max
dB max
V
µA max
V
%
µA max
µs
ns max
ns max
mV/ms max
V min
V max
µA max
pF typ
V min
V max
µA max
CLK Cycles
CLK Cycles min
V
µA
pF
MHz
V dc
mA max
– 2 –
5%; T
A
= –40 C to +85 C; REFIN = 2.5 V; Ext CLK @ 12.5 MHz, unless
Conditions/Comments
Twos Complement Data Format
Integral Nonlinearity
Any Channel
Between Channels
Any Channel
Between Channels
f
f
f
1 kHz Sine Wave Applied to Unselected Channels
1 kHz Sine Wave Applied to Unselected Channels
20 CLK Cycles @ 12.5 MHz
I
I
VIN1, VIN2, VIN3, AUX0–AUX3
IN
IN
IN
SOURCE
SINK
= 1 kHz Sine Wave, f
= 1 kHz Sine Wave, f
= 1 kHz Sine Wave, f
Current = 400 µA, V
Current = 20 µA, V
SAMPLE
SAMPLE
SAMPLE
DD
DD
= 5 V
= 5 V
= 75 kHz
= 75 kHz
= 75 kHz
REV. B