AD7724ASTZ-REEL Analog Devices Inc, AD7724ASTZ-REEL Datasheet - Page 8

• Manufacturer Part Number: AD7724ASTZ-REEL
• Description: FOUR CHANNEL SIGMA DELTA MODULATOR I.C.
• Manufacturer: Analog Devices Inc
• Type: Modulatorr

Specifications of AD7724ASTZ-REEL

• Resolution (bits): 15 b
• Sampling Rate (per Second): 250k
• Data Interface: Serial
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 2.85 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7724
(AVDD = DVDD = 5.0 V, T
unless otherwise noted)
–100
–105
–110
–115
–100
–102
–104
–106
–108
–110
–112
–114
–116
–85
–90
–95
110
100
–94
–96
–98
90
80
70
60
50
–50
–40
0
SFDR
THD
SNR
–25
20
–Typical Performance Characteristics
INPUT FREQUENCY – kHz
–30
TEMPERATURE – °C
INPUT LEVEL – dB
SFDR
0
V
V
IN
CM
40
(+) = V
= 2.5V
–20
25
THD
A
IN
= 25 C; CLKIN = 13 MHz ac-coupled sine wave, AIN = 20 kHz, Bipolar Mode; V
60
(–) = 1.25V p-p
S/ (N+D)
50
–10
80
75
3RD
2ND
4TH
100
100
0
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
84
85
86
87
88
89
90
91
92
84
85
86
87
88
89
90
91
92
0
n–3
0
0
AIN = 1/5
AIN = 1/5
V
V
n–2
IN
CM
50
50
OUTPUT DATA RATE – kSPS
OUTPUT DATA RATE – kSPS
(+) = V
= 2.5V
100
100
n–1
IN
(–) = 1.25V p-p
BW
BW
CODES
150
150
n
CLKIN = 13MHz
8k SAMPLES
V
IN
200
200
(+) = V
n+1
IN
n+2
250
250
(–)
300
300
n+3
–0.2
–0.4
–0.6
–0.8
–1.0
–100
–105
–110
–115
92.0
91.5
91.0
90.5
90.0
89.5
89.0
88.5
88.0
–85
–90
–95
1.0
0.8
0.6
0.4
0.2
IN
0
–50
0
(+) = 0 V to 2.5 V, V
0
20
INPUT FREQUENCY – kHz
20000
TEMPERATURE – °C
SNR
0
40
CODE
THD
40000
60
IN
SFDR
(–) = 1.25 V
50
80
65535
100
100