AD7891ASZ-1 Analog Devices Inc, AD7891ASZ-1 Datasheet - Page 2

• Manufacturer Part Number: AD7891ASZ-1
• Description: IC DAS 12BIT 8CH HI-SPD 44-MQFP
• Manufacturer: Analog Devices Inc
• Type: Data Acquisition System (DAS)r

Specifications of AD7891ASZ-1

• Resolution (bits): 12 b
• Data Interface: Serial, Parallel
• Sampling Rate (per Second): 500k
• Voltage Supply Source: Single Supply
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Sampling Rate: 450kSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Supply Current: 20mA
• Number Of Elements: 1
• Resolution: 12Bit
• Sample Rate: 454.5KSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±5/±10V
• Differential Input: No
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• 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: 100mW
• Differential Linearity Error: ±1LSB
• Integral Nonlinearity Error: ±1LSB
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: MQFP
• Input Signal Type: Single-Ended
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD7891–SPECIFICATIONS
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUTS
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
Signal-to-(Noise + Distortion) Ratio
Total Harmonic Distortion
Peak Harmonic or Spurious Noise
Intermodulation Distortion
Channel-to-Channel Isolation
Resolution
Minimum Resolution for which
Relative Accuracy
Differential Nonlinearity
Positive Full-Scale Error
Positive Full-Scale Error Match
Unipolar Offset Error
Unipolar Offset Error Match
Negative Full-Scale Error
Negative Full-Scale Error Match
Bipolar Zero Error
Bipolar Zero Error Match
AD7891-1 Input Voltage Range
AD7891-1 V
AD7891-1 V
AD7891-2 Input Voltage Range
AD7891-2 V
AD7891-2 V
REF IN Input Voltage Range
Input Impedance
Input Capacitance
REF OUT Output Voltage
REF OUT Error @ 25∞C
REF OUT Temperature Coefficient
REF OUT Output Impedance
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance
@ 25∞C
T
Second-Order Terms
Third-Order Terms
No Missing Codes Are Guaranteed 12
T
MIN
MIN
to T
to T
MAX
MAX
INXA
INXA
INXA
INXA
INH
Input Resistance
Input Resistance
Input Resistance
Input Current
4
5
5
C
INL
IN
INH
4
4
4
5
4
4
2
5
4
4, 5
4, 5
4
4
A Version
70
70
–78
–80
–80
–80
–80
12
± 1
± 1
± 3
0.6
± 4
0.1
± 3
0.6
± 4
0.2
± 5
± 10
7.5
15
0 to 2.5
0 to 5
± 2.5
1.5
± 50
2.375/2.625 2.375/2.625 2.375/2.625 V min/V max
1.6
10
2.5
± 10
± 20
25
5
2.4
0.8
± 10
10
1
B Version
70
70
–78
–80
–80
–80
–80
12
12
± 0.75
± 1
± 3
0.6
± 4
0.1
± 3
0.6
± 4
0.2
± 5
± 10
7.5
15
0 to 2.5
0 to 5
± 2.5
1.5
± 50
1.6
10
2.5
± 10
± 20
25
5
2.4
0.8
± 10
10
(V
unless otherwise noted.)
DD
= 5 V
Y Version
70
70
–78
–80
–80
–80
–80
12
12
± 1
± 1
± 3
0.6
± 4
0.1
± 3
0.6
± 4
0.2
± 5
± 10
7.5
15
0 to 2.5
0 to 5
± 2.5
1.5
± 50
1.6
10
2.5
± 10
± 20
25
5
2.4
0.8
± 10
10
–2–
5%, AGND = DGND = 0 V, REF IN = 2.5 V. All specifications T
Unit
dB min
dB min
dB max
dB max
dB typ
dB typ
dB max
Bits
Bits
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
V
V
kW min
kW min
V
V
V
kW min
nA max
kW min
pF max
V nom
mV max
mV max
ppm/∞C typ
kW nom
V min
V max
mA max
pF max
1.5 LSB max.
Input ranges of 0 V to 2.5 V, 0 V to 5 V.
1 LSB max.
1.5 LSB max.
1.5 LSB max.
Input applied to both V
2.5 V ± 5%.
Test Conditions/Comments
Sample Rate = 454.5 kSPS
500 kSPS
fa = 9 kHz, fb = 9.5 kHz.
Any channel.
Input ranges of ± 2.5 V, ± 5 V, ± 10 V.
Input ranges of ± 2.5 V, ± 5 V, ± 10 V.
Input applied to both V
Input applied to V
Input range of ± 5 V.
Input range of ± 10 V.
Input applied to V
Input applied to V
Input ranges of ± 2.5 V and 0 V to 5 V.
Input range of 0 V to 2.5 V.
Resistor connected to internal reference node.
See REF IN input impedance.
V
V
DD
DD
= 5 V ± 5%.
= 5 V ± 5%.
3
(AD7891-2). Any channel.
INXA
INXA
INXA
, V
, V
, V
INXA
INXA
INXB
INXB
INXB
3
and V
and V
(AD7891-1),
= AGND.
= AGND.
= REF IN
INXB
INXB
MIN
to T
.
.
REV. D
6
.
MAX
,