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参数资料
| 型号： | TDA6403M-T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 调谐器 |
| 英文描述： | 2-BAND, VIDEO TUNER, PDSO28 |
| 封装： | PLASTIC, SOT-341, SSOP-28 |
| 文件页数： | 44/44页 |
| 文件大小： | 241K |
| 代理商： | TDA6403M-T |
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2000 Jan 24
9
Philips Semiconductors
Product specication
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
TDA6402; TDA6402A;
TDA6403; TDA6403A
Table 5
Description of symbols used in Tables 3 and 4
Table 6
Address selection (I2C-bus mode)
Table 7
Test modes
Notes
1. This is the default mode at power-on reset.
2. The ADC input cannot be used when these test modes are active; see Section “Read mode; R/W = 1 (see Table 9)”
for more information.
SYMBOL
DESCRIPTION
A
acknowledge
MA1, MA0
programmable address bits (see Table 6)
N14 to N0
programmable divider bits; N = N14
× 214 + N13 × 213 + ... + N1 × 21 +N0
CP
charge pump current:
CP =0=60
A
CP = 1 = 280
A (default)
T2, T1,T0
test bits (see Table 7)
RSA, RSB
reference divider ratio select bits (see Table 8)
OS
tuning amplier control bit:
OS = 0; normal operation; tuning voltage is ‘ON’ (default)
OS = 1; tuning voltage is ‘OFF’ (high-impedance)
PVHFL, PVHFH, PUHF, FMST
PNP ports control bits:
bit = 0; buffer n is ‘OFF’ (default)
bit = 1; buffer n is ‘ON’
X
don’t care
MA1
MA0
VOLTAGE APPLIED ON CE INPUT (SW = GND)
0
0Vto0.1
× V
CC
0
1
open or 0.2
× VCC to 0.3 × VCC
1
0
0.4
× VCC to 0.6 × VCC
1
0.9
× VCC to 1.0 × VCC
T2
T1
T0
TEST MODES
0
automatic charge pump switched off
0
1
automatic charge pump switched on (note 1)
0
1
X
charge pump is ‘OFF’
1
0
charge pump is sinking current
1
charge pump is sourcing current
100
fREF is available on pin LOCK/ADC (note 2)
101
1
2fDIV is available on pin LOCK/ADC (note 2)
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