AD7323BRUZ Analog Devices Inc, AD7323BRUZ Datasheet - Page 12

• Manufacturer Part Number: AD7323BRUZ
• Description: IC ADC 12BIT+ SAR 4CHAN 16TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7323BRUZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 12
• Sampling Rate (per Second): 500k
• Number Of Converters: 1
• Power Dissipation (max): 17mW
• Voltage Supply Source: Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 13bit
• Sampling Rate: 500kSPS
• Input Channel Type: Pseudo Differential, Single Ended
• Supply Current: 900µA
• Digital Ic Case Style: TSSOP
• No. Of Pins: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7323CBZ - BOARD EVALUATION FOR AD7323CBZ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD7323
–100
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
8k
7k
6k
5k
4k
3k
2k
1k
0
0
0
5
Figure 17. CMRR vs. Common-Mode Ripple Frequency
Figure 16. Histogram of Codes, Single-Ended Mode
±5V RANGE
V
INTERNAL REFERENCE
SINGLE-ENDED MODE
Figure 18. DNL Error vs. Supply Voltage at 500 kSPS
V
CC
–3
CC
0
= V
= 5V
V
200
7
CC
DRIVE
= 3V
23
–2
= 5V
±V
RIPPLE FREQUENCY (kHz)
9
DD
400
/V
1201
–1
SS
SUPPLY VOLTAGE (V)
11
CODE
600
7600
0
DNL = 500kSPS
13
DIFFERENTIAL MODE
f
V
f
T
IN
S
DD
A
1165
= 500kSPS
= 50kHz
= 25°C
800
1
/V
SS
15
V
V
RANGE = ±10V
10k SAMPLES
T
CC
DD
A
= ±12V
= 25°C
/V
= 5V
11
2
SS
1000
17
= ±12V
0
3
1200
19
Rev. A | Page 12 of 36
Figure 21. THD vs. Analog Input Frequency for Various Source Impedances,
Figure 20. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–100
–100
–0.5
–1.0
–1.5
–2.0
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
2.0
1.5
1.0
0.5
0
10
0
5
V
V
T
INTERNAL REF
RANGE = ±10V AND ±2.5V
f
DIFFERENTIAL MODE
100mV p-p SINE WAVE ON EACH SUPPLY
NO DECOUPLING
SINGLE-ENDED MODE
f
S
Figure 19. INL Error vs. Supply Voltage at 500 kSPS
S
CC
DD
A
= 500kSPS
= 500kSPS
= 25°C
/V
= V
SS
200
7
DRIVE
= ±12V
SUPPLY RIPPLE FREQUENCY (kHz)
= 5V
±V
True Differential Mode
9
INPUT FREQUENCY (kHz)
DD
400
/V
SS
SUPPLY VOLTAGE (V)
11
INL = 500kSPS
600
100
13
V
±5V RANGE
V
INTERNAL REFERENCE
SINGLE-ENDED MODE
V
CC
V
CC
800
DD
SS
= 3V
= V
= 12V
15
= –12V
±10V RANGE
R
R
R
R
R
R
±2.5V RANGE
R
R
R
R
R
DRIVE
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
V
= 4000Ω
= 3000Ω
= 2000Ω
= 1000Ω
= 100Ω
= 12Ω
1000
= 9000Ω
= 5500Ω
= 2000Ω
= 100Ω
= 12Ω
CC
= 5V
17
= 5V
1200
1000
19