REV. 0
AD74111
–3–
Table I. Current Summary (AVDD = 2.5 V, DVDD1 = 2.5 V, DVDD2 = 2.5 V)
1, 2, 3
AVDD DVDD1 DVDD2 Total Current
Conditions Current (mA) Current (mA) Current (mA) (Max)(mA)
ADC, Reference, Ref-Amp On 6.11 (6.11) 0.15 (0.43) 0.72 (2.10)
DAC, Reference, Ref-Amp On 3.80 (4.0) 0.15 (0.43) 0.85 (2.23)
Reference, Ref-Amp On 0.60 (0.60) 0.15 (0.43) 0.27 (0.50)
All Sections On 8.60 0.15 (0.43) 1.72 (4.80) 15.35
Power-Down Mode 0.035 0.15 (0.43) 0.49 (0.49) 2.6
NOTES
1
All values are typical, unless otherwise noted.
2
Max values are quoted with DVDD1 = 3.6 V.
3
Sample rates quoted are for 16 kHz and (48 kHz).
Parameter Conditions Min Typ Max Unit
ADC DECIMATION FILTER* f
S
= 48 kHz
Pass Band 21.5 kHz
Pass-Band Ripple 0.2 mdB
Transition Band 5 kHz
Stop Band 26.5 kHz
Stop-Band Attenuation 120 dB
Group Delay 910 µs
Low Group Delay Mode 87 µs
DAC INTERPOLATION FILTER* f
S
= 48 kHz
Pass Band 21.5 kHz
Pass-Band Ripple 10 mdB
Transition Band 5 kHz
Stop Band 26.5 kHz
Stop-Band Attenuation 75 dB
Group Delay 505 µs
Low Group Delay Mode 55 µs
LOGIC INPUT
V
INH
, Input High Voltage DVDD1 – 0.8 DVDD1 V
V
INL
, Input Low Voltage 0 0.8 V
Input Current –10 +10 µA
Input Capacitance 10 pF
LOGIC OUTPUT
V
OH
, Output High Voltage DVDD1 – 0.4 DVDD1 V
V
OL
, Output Low Voltage 0 0.4 V
Three-State Leakage Current –10 +10 µA
POWER SUPPLIES
AVDD 2.375 2.625 V
DVDD2 2.375 2.625 V
DVDD1 2.375 3.6 V
Power Supply Rejection Ratio
1 kHz, 300 mV p-p Signal at Analog
Supply Pins 72 dB
50/60 Hz, 300 mV p-p Signal at Analog
Supply Pins 73 dB
*Guaranteed by design.
Specifications subject to change without notice.
REV. 0–4–
AD74111
TIMING CHARACTERISTICS
(AVDD = 2.5 V ± 5%, DVDD2 = 2.5 V ± 5%, DVDD1 = 3.3 V ± 10%, f
MCLK
= 12.288 MHz, f
S
= 48 kHz,
T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Parameter Min Max Unit Comments
MASTER CLOCK AND RESET
t
MH
MCLK High 25 ns
t
ML
MCLK Low 25 ns
t
RES
RESET Low 10 ns
t
RS
DIN Setup Time 5 MCLKS To RESET Rising Edge
1
t
RH
DIN Setup Time 5 MCLKS To RESET Rising Edge
1
SERIAL PORT
t
CH
DCLK High
2
20 ns
t
CL
DCLK Low
2
20 ns
t
FD
DFS Delay 5 ns From DCLK Rising Edge
3
t
FS
DFS Setup Time 5 ns To DCLK Falling Edge
t
FH
DFS Hold Time 15 ns From DCLK Falling Edge
t
DD
DOUT Delay 30 ns From DCLK Rising Edge
t
DS
DIN Setup Time 5 ns To DCLK Falling Edge
t
DH
DIN Hold Time 15 ns From DCLK Falling Edge
t
DT
DOUT Three-State 40 ns From DCLK Rising Edge
4
NOTES
1
Determines Master/Slave mode operation.
2
Applies in Slave mode only.
3
Applies in Master mode only.
4
Applies in Multiframe-Sync mode only.
MCLK
t
MH
RESET
t
ML
t
RES
t
RS
t
RH
DIN
Figure 1. MCLK and
RESET
Timing
MSB MSB–1
t
FS
DFS
DCLK
DIN
DOUT
MSB MSB–2
MSB–1
MSB–2
t
FH
t
FD
t
DD
t
CH
t
CL
t
DS
t
DH
Figure 2. Serial Port Timing
100A
I
OL
100A
I
OH
C
L
50pF
TO OUTPUT
PIN
DVDD1
2
Figure 3. Load Circuit for Digital Output Timing Specifications
REV. 0
AD74111
–5–
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
AD74111 features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.
ABSOLUTE MAXIMUM RATINGS*
(T
A
= 25°C, unless otherwise noted.)
AVDD, DVDD2 to AGND, DGND . . . . . . . –0.3 V to +3.0 V
DVDD1 to AGND, DGND . . . . . . . . . . . . . –0.3 V to +4.5 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V
Digital I/O Voltage to DGND . . . . . . –0.3 V to DVDD1 + 0.3 V
Operating Temperature Range
Automotive (Y Version) . . . . . . . . . . . . . . –40°C to +105°C
Storage Temperature Range . . . . . . . . . . . . . –65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
16-Lead TSSOP, θ
JA
Thermal Impedance . . . . . . . .150.4°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
TEMPERATURE RANGE
Parameter Min Max Unit
Specifications Guaranteed –40 +105 ºC
Storage –65 +150 ºC
ORDERING GUIDE
Model Range Package
AD74111YRU –40ºC to +105ºC RU-16

AD74111YRUZ-REEL7

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Interface - CODECs 2.5V 24B Mono CODEC
Lifecycle:
New from this manufacturer.
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