AD7324 Analog Devices, AD7324 Datasheet - Page 3

• Manufacturer Part Number: AD7324
• Description: Software Selectable True Bipolar Input, 4-Channel, 12-Bit Plus Sign A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7324

• Resolution (bits): 13bit
• # Chan: 4
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 2.5V,Bip 5.0V,Uni (Vref) x 4,Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

SPECIFICATIONS
Unless otherwise noted, V
3.0 V internal/external, f
Table 2.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
Signal-to-Noise Ratio (SNR)
Signal-to-Noise + Distortion
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Common-Mode Rejection Ratio
Channel-to-Channel Isolation
Full Power Bandwidth
Resolution
No Missing Codes
Integral Nonlinearity
(SINAD)
(SFDR)
(CMRR)
1
2
2
2
4
3
3
2
SCLK
DD
= 20 MHz, f
= 12 V to 16.5 V, V
2
2
2
2
Min
76
72.5
75
72
13
12-bit
plus sign
(13 bits)
11-bit
plus sign
(12 bits)
S
= 1 MSPS, T
SS
B Version
Typ
76
72.5
−82
−80
−82
−79
−88
−90
7
50
−79
−72
22
5
−0.7/+1.2
= −12 V to −16.5 V, V
A
= T
MAX
Rev. A | Page 3 of 36
Max
−80
−77
−80
−78
±1.1
±1
to T
MIN
; For V
CC
= 4.75 V to 5.25 V, V
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ps
dB
dB
MHz
MHz
Bits
Bits
Bits
LSB
LSB
LSB
CC
< 4.75 V, all specifications are typical.
Test Conditions/Comments
F
Differential mode
Single-ended/pseudo differential mode
Differential mode; ±2.5 V and ±5 V ranges
Differential mode; 0 V to 10 V and ±10 V ranges
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Differential mode; ±2.5 V and ±5 V ranges
Differential mode; 0 V to +10 V and ±10 V ranges
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Differential mode; ±2.5 V and ±5 V ranges
Differential mode; 0 V to +10 V and ±10 V ranges
Single-ended/pseudo differential mode; ±2.5 V and ±5 V
ranges
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
fa = 50 kHz, fb = 30 kHz
Up to 100 kHz ripple frequency; see Figure 17
F
At 3 dB
At 0.1 dB
All dc accuracy specifications are typical for 0 V to
10 V mode.
Single-ended/pseudo differential mode 1 LSB =
FSR/4096, unless otherwise noted.
Differential mode 1 LSB = FSR/8192, unless otherwise
noted.
Differential mode
Single-ended/pseudo differential mode
Differential mode
Single-ended/pseudo differential mode
Single-ended/pseudo differential mode
(LSB = FSR/8192)
IN
IN
= 50 kHz sine wave
on unselected channels up to 100 kHz; see Figure 14
DRIVE
= 2.7 V to 5.25 V, V
REF
= 2.5 V to
AD7324