AD7002–SPECIFICATIONS
Parameter
ADC SPECIFICATIONS
Resolution
Signal Input Span
Sampling Rate
Output Word Rate
Accuracy
Integral
Differential
2
Bias Offset Error
Input Resistance (DC)
Input Capacitance
Dynamic Specifications
Dynamic Range
Signal to (Noise+Distortion)
Gain Error
Gain Match Between Channels
Filter Settling Time
Frequency Response
0 kHz–100 kHz
110 kHz
122 kHz
200 kHz
400 kHz–6.5 MHz
Absolute Group Delay
Group Delay Between Channels (0 kHz–120 kHz)
Coding
Power-Down Option
TRANSMIT DAC SPECIFICATIONS
Resolution
Number of Channels
Update Rate
DC Accuracy
Integral
Differential
Output Signal Span
Output Signal Full-Scale Accuracy
Offset Error
I Tx & Q Tx Gain Matching
Absolute Group Delay
Group Delay Linearity (0 kHz–120 kHz)
Phase Matching Between Channels
GMSK Spectrum Mask
3
100 kHz
200 kHz
250 kHz
400 kHz
0.6 MHz
4.3 MHz
6.5 MHz
GMSK Phase Trajectory Error
3
Maximum Phase Effect Instance
3
Output Impedance
I Tx
Q Tx
GMSK ROM
Power-Down Option
1
(AV
DD
= +5 V
AD7002A
12
±
V
REF
/2
13
270.8
541.7
±
1
0
±
6.5
±
8
300
10
64
62
±
0.5
±
0.15
47
10%; DV
DD
= +5 V 10%; AGND = DGND = 0 V, f
CLK1
= f
CLK2
= 13 MHz;
T
A
= T
MIN
to T
MAX
, Rx SLEEP
1
= Rx SLEEP
2
= Tx SLEEP = DV
DD
, unless otherwise noted)
Units
Bits
Volts
MSPS
kHz
kHz
LSB typ
LSB max
LSB typ
kΩ typ
pF typ
dB typ
dB min
dB max
dB max
µs
typ
dB max
dB max
dB max
dB max
dB max
µs
typ
ns typ
Rx SLEEP = V
DD
, Independent of Transmit
Bits
MSPS
LSB typ
LSB typ
Volts
dB max
mV max
dB max
µs
typ
ns typ
°
typ
dB min
dB min
dB min
dB min
dB min
dB min
dB min
°
rms max
°
peak max
µs
typ
Ω
typ
Ω
typ
Contains GMSK Coding, Four-Bit Impulse
Response
Tx SLEEP = V
DD
, Independent of Receive
–2–
REV. B
Rx SLEEP = V
DD
, Tx SLEEP = 0 V
16
Oversampling of the Bit Rate
After External Calibration; MZERO Low
After Internal Calibration; MZERO High
Test Conditions/Comments
Rx SLEEP = 0 V, Tx SLEEP = V
DD
Biased on V
REF
(2.5 V)
RATE 0
RATE 1
Input Frequency = 67.7 kHz
Input Frequency = 67.7 kHz, w.r.t. 2.5 V
Input Frequency = 67.7 kHz
±
0.05
–0.8
–3.0
–66
–72
23
5
Twos Complement
Yes
10
2
4.33
±
0.7
±
1.0
±
V
REF
/2
±
1
±
25
±
0.15
10
30
0.5
–3
–32
–35
–63
–71
–63
–63
2
6
9
120
120
Yes
Yes
Centered on V
REF
Nominal (100 kΩ/20 pF
Load)
w.r.t. 2.5 V
10 0000 0000 Loaded to DAC
Measured at 67.7 kHz
Each Channel, 10 kHz < F
OUT
< 100 kHz
Generating 67.7 kHz Sine Waves
AD [ ANALOG DEVICES ]
