AD7294 Analog Devices, AD7294 Datasheet - Page 8

• Manufacturer Part Number: AD7294
• Description: 12-Bit Monitor and Control System with Multichannel ADC, DACs, Temperature Sensor, and Current Sense
• Manufacturer: Analog Devices

Specifications of AD7294

• Resolution (bits): 12bit
• # Chan: 9
• Sample Rate: 200kSPS
• Interface: I²C/Ser 2-Wire,Ser
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (Vref) p-p,2 V p-p,Uni (Vref),Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: CSP

AD7294
GENERAL SPECIFICATIONS
AV
DAC OUTV+ AB and DAC OUTV+ CD = 4.5 V to 16.5 V; OFFSET IN x is floating, therefore, DAC output span = 0 V to 5 V;
T
Table 3.
Parameter
LOGIC INPUTS
LOGIC OUTPUTS
I
POWER REQUIREMENTS
SENSE
A
I
Output High Voltage, V
Output Low Voltage, V
Overrange Setpoint
DAC OUTV+ x, I
Power-Down
Input High Voltage, V
Input Low Voltage, V
Input Leakage Current, I
Input Hysteresis, V
Input Capacitance, C
Glitch Rejection
SDA, ALERT
V
AV
V(+)
DV
V
I
Power Dissipation
2
= −40°C to +105°C, unless otherwise noted.
DD
DD
C® Address Pins Maximum External
PP
DRIVE
Capacitance if Floating
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
I
DI
DAC OUTV+ x, I
Power Dissipation
OVERRANGE
DD
DD
DD
Dynamic
= DV
DD
DD
= 4.5 V to 5.5 V, AGND = DGND = 0 V, V
DD
DD
HYST
IL
IN
IH
OL
OH
IN
OL
Min
0.7 V
0.05 V
V
AV
4.5
4.5
4.5
2.7
FS
DD
DRIVE
DRIVE
REF
Typ
8
50
8
V
5.3
0.6
70
0.5
1
35
= 2.5 V internal or external; V
FS
Rev. H | Page 8 of 48
× 1.2
Max
0.3 V
±1
30
0.4
0.6
±1
V
0.2
59.4
5.5
16.5
5.5
5.5
6.5
1.2
105
1
16.5
60
2.5
DRIVE
DRIVE
− 0.2
Unit
V
V
µA
V
pF
ns
pF
V
V
µA
pF
V
V
mV
V
V
V
V
V
mA
mA
mW
µA
µA
µA
mW
DRIVE
Test Conditions/Comments
SDA, SCL only
SDA, SCL only
Input filtering suppresses noise spikes of less
than 50 ns
Tristate input
SDA and ALERT/BUSY are open-drain outputs
I
I
I
I
I
V
Tie DV
AV
@ midscale output voltage, DAC outputs
unloaded
For each AV
SINK
SINK
SENSE
SOURCE
SINK
FS
= 2.7 V to 5.5 V; V
DD
= ±V
= 3 mA
= 6 mA
= 200 µA for push-pull outputs
OVERRANGE is a push-pull output
+ DV
= 200 µA for push-pull outputs
DD
REF
to AV
DD
ADC/12.5
DD
+ V
DD
and V
DRIVE
, DAC outputs unloaded
DRIVE
PP
= AV
Data Sheet
DD
to 59.4 V;