ADMCF341BR Analog Devices Inc, ADMCF341BR Datasheet - Page 2

• Manufacturer Part Number: ADMCF341BR
• Description: IC DSP 3CH 12BIT MOT-CTRL 28SOIC
• Manufacturer: Analog Devices Inc
• Series: Motor Controlr
• Type: Motor Controlr

Specifications of ADMCF341BR

• Rohs Status: RoHS non-compliant
• Interface: Synchronous Serial Port (SSP)
• Clock Rate: 20MHz
• Non-volatile Memory: FLASH (12 kB), ROM (12kB)
• On-chip Ram: 2.5kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)

SPECIFICATIONS
ANALOG-TO-DIGITAL CONVERTER
Parameter
Signal Input
Resolution
Linearity Error
Zero Offset
Comparator Delay
ADC High Level Input Current
ADC Low Level Input Current
NOTES
1
2
3
Specifications subject to change without notice.
I
Parameter
I
I
I
I
I
I
I
I
I
I
(SNR)
I
I
I
TRIP Threshold Low
TRIP Threshold High
TRIP Minimum Pulse width
NOTES
1
2
3
4
Specifications subject to change without notice.
CURRENT SOURCE
Parameter
Programming Resolution
Tuned Current
NOTES
1
2
Specifications subject to change without notice.
Resolution varies with PWM switching frequency (double update mode) 78.1 kHz = 8 bits, 4.9 kHz = 12 bits.
2.44 kHz sample frequency, VAUX0, VAUX1, VAUX2.
Extrapolated point outside of operating range. 2.44 kHz sample frequency.
Variation of gain with V
V
f
High or low trip threshold.
For ADC calibration.
0.3 V to 3.5 V I
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
IN
ADMC(F)341
IN
= 1 kHz sine wave, V
= –400 mV to +400 mV.
3
Signal Operating Range
Signal Input Range
Gain
Gain Channel Matching
Gain Stability
Linearity
Internal Offset Voltage
Internal Offset Stability
Signal-to-Noise Ratio (SINAD)
Signal-to-Noise Ratio Less Distortion
Total Harmonic Distortion
Input Current
Input Resistance
AMPLIFIER–TRIP
1
3
CONST
2
2
2
voltage.
DD
IN
1
= –400 mV to +400 mV, f
and temperature.
1
4
2
2
2
2
3
3
Min
0.3
–32
–10
Min
91
S
= 4 kHz.
Min
–400
–800
–2.6
8
1.68
–200
–690
+430
(V
For ADMC341, T
DD
Typ
0
600
Typ
100
= 5%, GND = 0 V. For ADMCF341, T
3
Typ
–2.51
0.8
9
1.87
2.1
51
54
–53
11.5
5
–2–
A
= –40 C to +125 C. CLKIN = 10 MHz, unless otherwise noted.)
Max
3.5
12
4
+7
+10
Max
3
109
Max
+400
+800
–2.34
5.5
2.1
+10
–430
+690
Unit
V
Bits
Bits
mV
ns
µA
µA
Unit
Bits
µA
Unit
mV
mV
%
%
%
Bits
V
%
dB
dB
dB
µA
kΩ
mV
mV
µs
A
= –40 C to +85 C.
Conditions/Comments
VAUX0, VAUX1, VAUX2
V
V
Conditions/Comments
IN
IN
= 3.5 V
= 0.0 V
Conditions/Comments
V
V
V
V
IN
IN
IN
IN
= –400 mV to +400 mV
= –400 mV to +400 mV
= –400 mV to +400 mV
= –400 mV to +400 mV
REV. B