AD7923 Analog Devices, AD7923 Datasheet - Page 3

• Manufacturer Part Number: AD7923
• Description: 4-Channel 200 kSPS, 12-Bit A/D Converter with Sequencer in 16-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD7923

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 200kSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: SOP

SPECIFICATIONS
AV
Table 1.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT
LOGIC INPUTS
Signal-to-(Noise + Distortion) (SINAD)
Signal-to-Noise (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Channel-to-Channel Isolation
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
0 V to REF
0 V to 2 × REF
Input Voltage Range
DC Leakage Current
Input Capacitance
REF
DC Leakage Current
REF
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
DD
(SFDR)
Second Order Terms
Third Order Terms
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
= V
IN
IN
Input Voltage
Input Impedance
DRIVE
2
IN
Input Range
= 2.7 V to 5.25 V, REF
2
IN
IN
Input Range
IN
INL
2
INH
3
2
2
IN
= 2.5 V, f
2
SCLK
B Version
70
69
69
70
−77
−73
−78
−76
−90
−90
10
50
−85
8.2
1.6
12
±1
−0.9/+1.5
±8
±0.5
±1.5
±0.5
±1.5
±0.5
±8
±0.5
±1
±0.5
0 to REF
0 to 2 × REF
±1
20
2.5
±1
36
0.7 × V
0.3 × V
±1
10
= 20 MHz, T
DRIVE
DRIVE
IN
1
Rev. C | Page 3 of 24
IN
A
= T
MIN
Unit
dB min
dB min
dB min
dB min
dB max
dB max
dB max
dB max
dB typ
dB typ
ns typ
ps typ
dB typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
V
μA max
pF typ
V
μA max
kΩ typ
V min
V max
μA max
pF max
to T
MAX
, unless otherwise noted.
Test Conditions/Comments
f
@ 5 V, –40°C to +85°C
@ 5 V, 85°C to 125°C, typ 70 dB
@ 3 V typ 70 dB, –40°C to +125°C
@ 5 V typ, −84 dB
@ 3 V typ,−77 dB
@ 5 V typ, −86 dB
@ 3 V typ, −80 dB
f
f
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 12 bits
Straight binary output coding
Typ ±0.5 LSB
−REF
complement output coding
Typ ±0.8 LSB
Range bit set to 1
Range bit set to 0, AV
±1% specified performance
f
Typ 10 nA, V
IN
A
IN
SAMPLE
= 40.1 kHz, f
= 50 kHz sine wave, f
= 400 kHz
IN
= 200 kSPS
to +REF
IN
B
= 0 V or V
IN
= 41.5 kHz
biased about REF
DD
SCLK
= 4.75 V to 5.25 V
DRIVE
= 20 MHz
IN
with twos
AD7923