adsp-21msp58 Analog Devices, Inc., adsp-21msp58 Datasheet - Page 24

• Manufacturer Part Number: adsp-21msp58
• Description: Dsp Microcomputers
• Manufacturer: Analog Devices, Inc.

ADSP-21msp58/59
ANALOG INTERFACE ELECTRICAL CHARACTERISTICS
Symbol
ADC
DAC:
Reference Buffer:
NOTES
Test conditions for all analog interface tests: ADC PGA bypassed, DAC PGA set to 0 dB gain, with 2 k
1
2
3
4
5
GAIN
Parameter
ADC Absolute Gain
ADC Gain Tracking Error
ADC PGA Relative Gain
DAC Absolute Gain
DAC Gain Tracking Error
DAC PGA Relative Gain
Guaranteed but not tested.
Varies with PGA setting.
At input to sigma-delta modulator of ADC.
At VOUT
Between VOUT
R
VIN
R
V
V
R
Voltage Reference (V
Output Impedence
Capacitive Load
PSRR
OOFF
O
I
O
L
MAX
1
P
, VOUT
P
and VOUT
N
.
1
1
REF
N
.
)
Parameter
Input Resistance
Maximum Input Range
Output Resistance
Output DC Offset
Maximum Voltage Output Swing (p-p) Across R
Load Resistance
Single-Ended
Differential
Min
–0.7
–0.1
–0.6
–0.75
–0.1
–0.6
1
1
1, 4
1, 2
5
1, 4
at VIN
Typ
0
0
0
0
0
0
1, 3
NORM
–24–
, VIN
Max
0.7
0.1
0.6
0.75
0.1
0.6
AUX
L
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
Unit
load on analog output (VOUT
Min
–400
2
2.25
Typ
200
2.5
250
55
Test Conditions
1.0 kHz, 0 dBm0
1.0 kHz, +3 to –50 dBm0
1.0 kHz
1.0 kHz, 0 dBm0
1.0 kHz, +3 to –50 dBm0
1.0 kHz
Max
3.156
400
3.156
6.312
2.75
10
P
, VOUT
N
), V
CC
= 5.0 V.
REV. 0
Unit
k
V p-p
mV
V
V
k
V
nf
dB