SM4712 Nippon_Precision_Circuits America, SM4712 Datasheet - Page 7

• Manufacturer Part Number: SM4712
• Description: DVD RAM Head Amp ic
• Manufacturer: Nippon_Precision_Circuits America

Tracking Signal Processor Characteristics
V
TSUB current-to-voltage converter
coefficient
TADD current-to-voltage converter
coefficient
DPDA, DPDB, DPDC, DPDD
current-to-voltage converter coefficient
T1, T2, T3, T4 converter coefficient
relative error
TSUB, TADD, DPDA, DPDB, DPDC,
DPDD output impedance
TSUB operating output voltage
TADD, DPDA, DPDB, DPDC, DPDD
operating output voltage
Converter coefficient switching time
TSUB, TADD signal bandwidth
DPDA, DPDB, DPDC, DPDD signal
bandwidth
TSUB, TADD gain peaking
DPDA, DPDB, DPDC, DPDD gain
peaking
TSUB phase response
DPDA, DPDB, DPDC, DPDD group
delay
TSUB offset voltage
TADD offset voltage
DPDA, DPDB, DPDC, DPDD offset
voltage
TSUB offset voltage temperature
coefficient
TSUB variable gain range
TSUB variable gain step width
CC
4
= 5 V ± 5%, GND = 0 V, T
4
1
2
4
Parameter
4
4
4
3
a
RAM read
ROM read
RAM write
RAM read
ROM read
RAM write
RAM read
ROM read
TSUB output, RAM/ROM read
10 k load connected to VREF
10 k load connected to VREF
RAM read
RAM write
DC to 3 dB frequency
f = 100 kHz to 3 dB frequency
f = 10 kHz to 3 dB frequency
f = 100 kHz to 3 dB frequency
@ f = 100 kHz
f = 1 to 5 MHz group delay differential
absolute value
Relative error between 4 pins
No input signal,
V
post-correction,
T
R
No input signal,
V
No input signal,
V
R
= 0 to 70 C
a
REF
REF
REF
f
f
= 18 k
= 18 k
= 25 C,
reference,
reference
reference
ROM read
RAM read
Condition
R
V
R
RAM read/write max
gain
RAM read, min to max
gain
RAM read/write
differential gain max.
ROM read,
gain min/max
RAM read
ROM read
RAM/ROM read
OUT
f
f
= 18 k ,
= 47 k
SM9103M
= V
REF
± 0.8 V
10.64
27.82
V
2.67
1.78
6.95
4.63
40.0
10.0
min
REF
550
–
–
–
1
–
–
1
5
–
–
–
–
–
–
–
–
–
16
–
3
3
NIPPON PRECISION CIRCUITS—7
Rating
11.95
31.25
2.99
1.99
7.80
5.20
50.0
12.5
typ
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
2
13.26
34.68
±10.0
±100
±300
max
9.92
2.20
8.65
5.77
60.0
15.0
+0.5
+4.0
±0.4
+50
+14
100
±26
±30
1.0
±2
10
10
±4
3
3
3
–
–
5
–
mV/ C
MHz
MHz
Unit
mV
mV
mV
k
k
k
ms
dB
dB
dB
dB
µs
%
ns
V
V