AD7294 Analog Devices, AD7294 Datasheet - Page 6

• 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
ADC SPECIFICATIONS
AV
T
Table 2.
Parameter
DC ACCURACY
CONVERSION RATE
ANALOG INPUT
DYNAMIC PERFORMANCE
A
Single-Ended Mode
Differential Mode
Pseudo Differential Input Range: V
Signal-to-Noise Ratio (SNR)
Signal-to-Noise + Distortion (SINAD) Ratio
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
Channel-to-Channel Isolation
Resolution
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Conversion Time
Autocycle Update Rate
Throughput Rate
Single-Ended Input Range
Fully Differential Input Range: V
Input Capacitance
DC Input Leakage Current
= −40°C to +105°C, unless otherwise noted.
DD
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Positive Gain Error
Positive Gain Error Match
Zero Code Error
Zero Code Error Match
Negative Gain Error
Negative Gain Error Match
= DV
DD
= 4.5 V to 5.5 V, AGND = DGND = 0 V, V
3
2
2
2
1
1
2
1
1
IN+
IN+
− V
− V
1
IN−
IN−
1
4
Min
0
0
0
0
−V
−2 × V
REF
REF
REF
Typ
12
±0.5
±0.5
±0.5
±1
±0.4
±0.5
±0.4
±1
±0.5
±3
±0.5
±1
±0.5
3
50
30
73
72
71.5
72.5
−81
−79
−81
−79
−90
= 2.5 V internal or external; V
Rev. H | Page 6 of 48
Max
±1
±1.5
±0.99
±7
±2.5
22.22
V
2 × V
V
2 × V
+V
+2 × V
±1
REF
REF
REF
REF
REF
REF
Unit
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
μs
μs
kSPS
V
V
pF
µA
dB
dB
dB
dB
dB
dB
dB
dB
Test Conditions/Comments
Differential mode
Single-ended or pseudo differential mode
Differential, single-ended, and pseudo differential
modes
f
0 V to V
0 V to 2 × V
0 V to V
0 V to 2 × V
0 V to V
0 V to 2 × V
f
f
differential modes
f
f
differential modes
f
f
differential modes
f
f
differential modes
f
SCL
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 10 kHz sine wave; differential mode
= 10 kHz sine wave; single-ended and pseudo
= 10 kHz sine wave; differential mode
= 10 kHz sine wave; single-ended and pseudo
= 10 kHz sine wave; differential mode
= 10 kHz sine wave; single-ended and pseudo
= 10 kHz sine wave; differential mode
= 10 kHz sine wave; single-ended and pseudo
= 10 kHz to 40 kHz
DRIVE
= 400 kHz
REF
REF
REF
= 2.7 V to 5.5 V; V
mode
mode
mode
REF
REF
REF
mode
mode
mode
PP
= AV
Data Sheet
DD
to 59.4 V;