參數(shù)資料
型號(hào): TCM37C14ADW
廠商: Texas Instruments, Inc.
英文描述: PCM COMBO WITH PROGRAMMABLE GAIN CONTROL
中文描述: 的PCM組合,具有可編程增益控制
文件頁(yè)數(shù): 12/23頁(yè)
文件大小: 351K
代理商: TCM37C14ADW
TCM37C14A, TCM37C15A
PCMCOMBO WITH PROGRAMMABLE GAIN CONTROL
SLWS018B – JUNE 1996 – REVISED MAY 1998
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
MCLK
PCMOUT
td(FSX)
tr
tf
tw(MCLK)
tc(MCLK)
Time Slot 1
td(FSX)
1
2
3
4
5
6
7
8
tpd1
tpd2
tpd3
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
FSX
tpd4
TSX
tpd5
Bit 1 = MSB = most significant bit (sign bit) and is clocked in first on PCMIN or clocked out first on PCMOUT.
Bit 8 = LSB = least significant bit and is clocked in last on PCMIN or is clocked out last on PCMOUT.
NOTE A: Inputs are driven from 0.45 V to 2.4 V. Time intervals are referenced to 2 V when the high level is indicated and 0.8 V when the low
level is indicated
.
Figure 3. Transmit Timing
MCLK
PCMIN
Time Slot 1
1
2
3
4
5
6
7
8
td(FSR)
tr
tf
tw(MCLK)
tc(MCLK)
tsu(PCMIN)
Bit 1
Valid
Bit 2
Valid
Bit 3
Valid
Bit 4
Valid
Bit 5
Valid
Bit 6
Valid
Bit 7
Valid
Bit 8
Valid
FSR
th(PCMIN)
td(FSR)
Bit 1 = MSB = most significant bit (sign bit) and is clocked in first on PCMIN or clocked out first on PCMOUT.
Bit 8 = LSB = least significant bit and is clocked in last on PCMIN or is clocked out last on PCMOUT.
NOTE A: Inputs are driven from 0.45 V to 2.4 V. Time intervals are referenced to 2 V when the high level is indicated and 0.8 V when the low
level is indicated
.
Figure 4. Receive Timing
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